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<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Apache Pulsar</title><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta name="generator" content="Docusaurus"/><meta name="description" content=""/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Apache Pulsar"/><meta property="og:type" content="website"/><meta property="og:url" content="https://pulsar.incubator.apache.org/"/><meta property="og:description" content=""/><meta name="twitter:card" content="summary"/><meta name="twitter:image" content="https://pulsar.incubator.apache.org/img/pulsar.svg"/><link rel="shortcut icon" href="/img/pulsar.ico"/><link rel="stylesheet" href="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.css"/><link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/atom-one-dark.min.css"/><link rel="alternate" type="application/atom+xml" href="https://pulsar.incubator.apache.org/blog/atom.xml" title="Apache Pulsar Blog ATOM Feed"/><link rel="alternate" type="application/rss+xml" href="https://pulsar.incubator.apache.org/blog/feed.xml" title="Apache Pulsar Blog RSS Feed"/><script>
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<h3><a class="anchor" aria-hidden="true" id="264-mdash-2021-06-02-a-id264a"></a><a href="#264-mdash-2021-06-02-a-id264a" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2.6.4 — 2021-06-02 <a id=“2.6.4”></a></h3>
<h4><a class="anchor" aria-hidden="true" id="broker"></a><a href="#broker" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Broker</h4>
<ul>
<li>Disallow parsing of token with none signature in authenticateToken <a href="https://github.com/apache/pulsar/pull/9172">#9172</a></li>
<li>Fix marking individual deletes as dirty <a href="https://github.com/apache/pulsar/pull/9732">#9732</a></li>
<li>Issue 9082: Broker expires messages one at a time after topic unload <a href="https://github.com/apache/pulsar/pull/9083">#9083</a></li>
<li>[logging] Upgrade Log4j2 version to 2.14.0, replace legacy log4j dependency with log4j-1.2-api <a href="https://github.com/apache/pulsar/pull/8880">#8880</a></li>
<li>Upgrade Bouncy castle to newest version <a href="https://github.com/apache/pulsar/pull/8047">#8047</a></li>
<li>Fixed logic for forceful topic deletion <a href="https://github.com/apache/pulsar/pull/7356">#7356</a></li>
<li>Perform periodic flush of ManagedCursor mark-delete posistions <a href="https://github.com/apache/pulsar/pull/8634">#8634</a></li>
<li>Fix the batch index ack persistent issue. <a href="https://github.com/apache/pulsar/pull/9504">#9504</a></li>
<li>Fix the partition number not equals expected error <a href="https://github.com/apache/pulsar/pull/9446">#9446</a></li>
<li>fix the closed ledger did not delete after expired <a href="https://github.com/apache/pulsar/pull/9136">#9136</a></li>
<li>Fix testBrokerSelectionForAntiAffinityGroup by increasing OverloadedThreshold <a href="https://github.com/apache/pulsar/pull/9393">#9393</a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" id="tiered-storage"></a><a href="#tiered-storage" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Tiered storage</h3>
<ul>
<li>[tiered-storage] Allow AWS credentials to be refreshed <a href="https://github.com/apache/pulsar/pull/9387">#9387</a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" id="java-client"></a><a href="#java-client" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Java client</h3>
<ul>
<li>Compression must be applied during deferred schema preparation and enableBatching is enabled <a href="https://github.com/apache/pulsar/pull/9396">#9396</a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" id="c-client"></a><a href="#c-client" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>C++ client</h3>
<ul>
<li>[C++] Remove namespace check for MultiTopicsConsumerImpl <a href="https://github.com/apache/pulsar/pull/9520">#9520</a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" id="272-mdash-2021-05-11-a-id272a"></a><a href="#272-mdash-2021-05-11-a-id272a" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2.7.2 — 2021-05-11 <a id=“2.7.2”></a></h3>
<h4><a class="anchor" aria-hidden="true" id="broker-1"></a><a href="#broker-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Broker</h4>
<ul>
<li>Fix the useless retry when the maximum number of subscriptions is reached <a href="https://github.com/apache/pulsar/pull/9991">#9991</a></li>
<li>wrong timeunit in updating lastLedgerCreationInitiationTimestamp <a href="https://github.com/apache/pulsar/pull/10049">#10049</a></li>
<li>Avoid spammy logs in case of BK problems <a href="https://github.com/apache/pulsar/pull/10088">#10088</a></li>
<li>Fix NonDurableCursorImpl initialPosition by startCursorPosition greater than lastConfirmedEntry problem. <a href="https://github.com/apache/pulsar/pull/10095">#10095</a></li>
<li>fix 8115 Some partitions get stuck after adding additional consumers to the KEY_SHARED subscriptions <a href="https://github.com/apache/pulsar/pull/10096">#10096</a></li>
<li>Add underReplicate state in the topic internal stats <a href="https://github.com/apache/pulsar/pull/10013">#10013</a></li>
<li>Continue graceful shutdown even if web service closing fails <a href="https://github.com/apache/pulsar/pull/9835">#9835</a></li>
<li>Issue 9804: Allow to enable or disable the cursor metrics <a href="https://github.com/apache/pulsar/pull/9814">#9814</a></li>
<li>Allow to configure BookKeeper all BK client features using bookkeeper_ prefix <a href="https://github.com/apache/pulsar/pull/9232">#9232</a></li>
<li>Fix NPEs and thread safety issue in PersistentReplicator <a href="https://github.com/apache/pulsar/pull/9763">#9763</a></li>
<li>Non Persistent Topics: Auto-create partitions even when the auto-creation is disabled <a href="https://github.com/apache/pulsar/pull/9786">#9786</a></li>
<li>Issue 9602: Add schema type validation <a href="https://github.com/apache/pulsar/pull/9797">#9797</a></li>
<li>Fix message not dispatch for key_shared sub type in non-persistent subscription <a href="https://github.com/apache/pulsar/pull/9826">#9826</a></li>
<li>zkBookieRackAffinityMapping bug to support for bookkeeper dnsResolver <a href="https://github.com/apache/pulsar/pull/9894">#9894</a></li>
<li>Messaging Fix delay message block <a href="https://github.com/apache/pulsar/pull/10078">#10078</a></li>
<li>Make PersistentDispatcherMultipleConsumers.readMoreEntries synchronized <a href="https://github.com/apache/pulsar/pull/10435">#10435</a></li>
<li>Fix issue in reusing EntryBatchIndexesAcks instances <a href="https://github.com/apache/pulsar/pull/10400">#10400</a></li>
<li>Fix schema not added when subscribing an empty topic without schema <a href="https://github.com/apache/pulsar/pull/9853">#9853</a></li>
<li>Support advertisedListeners for standalone <a href="https://github.com/apache/pulsar/pull/10297">#10297</a></li>
<li>Fix schema ledger deletion when deleting topic with delete schema. <a href="https://github.com/apache/pulsar/pull/10383">#10383</a></li>
<li>Fix primitive schema upload for ALWAYS_COMPATIBLE strategy. <a href="https://github.com/apache/pulsar/pull/10386">#10386</a></li>
<li>Fix schema type check issue when use always compatible strategy <a href="https://github.com/apache/pulsar/pull/10367">#10367</a></li>
<li>Fix CPU 100% when deleting namespace <a href="https://github.com/apache/pulsar/pull/10337">#10337</a></li>
<li>add return statement to exit asyncMarkDelete early on failure <a href="https://github.com/apache/pulsar/pull/10272">#10272</a></li>
<li>Adding more permits debug statements to better diagnose permit issues <a href="https://github.com/apache/pulsar/pull/10217">#10217</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="bookie"></a><a href="#bookie" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Bookie</h4>
<ul>
<li>Fallback to PULSAR_GC if BOOKIE_GC is not defined <a href="https://github.com/apache/pulsar/pull/9621">#9621</a></li>
<li>Fallback to PULSAR_EXTRA_OPTS if BOOKIE_EXTRA_OPTS isn't defined <a href="https://github.com/apache/pulsar/pull/10397">#10397</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="dependency-upgrade"></a><a href="#dependency-upgrade" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Dependency upgrade</h4>
<ul>
<li>Upgrade Bouncy Castle to 1.68 <a href="https://github.com/apache/pulsar/pull/9199">#9199</a></li>
<li>Upgrade athenz version and remove yahoo.bintray.com repository <a href="https://github.com/apache/pulsar/pull/10471">#10471</a></li>
<li>Upgrade Netty version to 4.1.60.final <a href="https://github.com/apache/pulsar/pull/10073">#10073</a></li>
<li>Upgrade commons-io to address CVE-2021-29425 <a href="https://github.com/apache/pulsar/pull/10287">#10287</a></li>
<li>Upgrade Jetty libraries to 9.4.39.v20210325 <a href="https://github.com/apache/pulsar/pull/10177">#10177</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="proxy"></a><a href="#proxy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Proxy</h4>
<ul>
<li>Issue 10221: Fix authorization error while using proxy and <code>Prefix</code> subscription authentication mode <a href="https://github.com/apache/pulsar/pull/10226">#10226</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-admin"></a><a href="#pulsar-admin" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Admin</h4>
<ul>
<li>Add get version command for pulsar rest api, pulsar-admin, pulsar-client <a href="https://github.com/apache/pulsar/pull/9975">#9975</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-sql"></a><a href="#pulsar-sql" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar SQL</h4>
<ul>
<li>Using pulsar SQL query messages will appear NoSuchLedger… <a href="https://github.com/apache/pulsar/pull/9910">#9910</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="docker"></a><a href="#docker" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Docker</h4>
<ul>
<li>Allow DockerImage to be built from source tarball <a href="https://github.com/apache/pulsar/pull/9846">#9846</a></li>
<li>Fix docker standalone image error <a href="https://github.com/apache/pulsar/pull/10359">#10359</a></li>
<li>Suppress printing of "skip Processing" lines in startup scripts <a href="https://github.com/apache/pulsar/pull/10275">#10275</a></li>
<li>Issue 10058:apply-config-from-env.py to commented default values <a href="https://github.com/apache/pulsar/pull/10060">#10060</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="client"></a><a href="#client" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Client</h4>
<ul>
<li>[Java] Fix: seemingly equal ClientConfigurationData's objects end up not being equal <a href="https://github.com/apache/pulsar/pull/10091">#10091</a></li>
<li>[Java] Fix AutoConsumeSchema KeyValue encoding <a href="https://github.com/apache/pulsar/pull/10089">#10089</a></li>
<li>[Java] Fix error OutOfMemoryError while using KeyValue<GenericRecord, GenericRecord> <a href="https://github.com/apache/pulsar/pull/9981">#9981</a></li>
<li>[Java] Fix concurrency issue in incrementing epoch (#10278) <a href="https://github.com/apache/pulsar/pull/10436">#10436</a></li>
<li>[Java] Allow pulsar client receive external timer <a href="https://github.com/apache/pulsar/pull/9802">#9802</a></li>
<li>[Java] Handle NPE while receiving ack for closed producer <a href="https://github.com/apache/pulsar/pull/8979">#8979</a></li>
<li>[Java] Fix batch size not set when deserializing from byte array <a href="https://github.com/apache/pulsar/pull/9855">#9855</a></li>
<li>[Java] Fix ensure single-topic consumer can be closed <a href="https://github.com/apache/pulsar/pull/9849">#9849</a></li>
<li>[Java] Issue 9585: delete disconnected consumers to allow auto-discovery <a href="https://github.com/apache/pulsar/pull/9660">#9660</a></li>
<li>[Python] Support Python Avro schema set default value. <a href="https://github.com/apache/pulsar/pull/10265">#10265</a></li>
<li>[Python] Fix nested Map or Array in schema doesn't work <a href="https://github.com/apache/pulsar/pull/9548">#9548</a></li>
<li>[C++,Python] [PIP-60] Add TLS SNI support for cpp and python clients <a href="https://github.com/apache/pulsar/pull/8957">#8957</a></li>
<li>[C++] Fix C++ client cannot be built on Windows <a href="https://github.com/apache/pulsar/pull/10363">#10363</a></li>
<li>[C++] Fix paused zero queue consumer still pre-fetches messages <a href="https://github.com/apache/pulsar/pull/10036">#10036</a></li>
<li>[C++] Fix segfault when get topic name from received message id <a href="https://github.com/apache/pulsar/pull/10006">#10006</a></li>
<li>[C++] SinglePartition message router is always picking the same partition <a href="https://github.com/apache/pulsar/pull/9702">#9702</a></li>
<li>[C++] Reduce log level for ack-grouping tracker <a href="https://github.com/apache/pulsar/pull/10094">#10094</a></li>
<li>[WebSocket Client] WebSocket url token param value optimization <a href="https://github.com/apache/pulsar/pull/10187">#10187</a></li>
<li>[WebSocket Client] Make the browser client support the token authentication <a href="https://github.com/apache/pulsar/pull/9886">#9886</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="functions-and-pulsar-io"></a><a href="#functions-and-pulsar-io" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Functions and Pulsar IO</h4>
<ul>
<li>Allow customizable function logging <a href="https://github.com/apache/pulsar/pull/10389">#10389</a></li>
<li>Pass through record properties from Pulsar Sources <a href="https://github.com/apache/pulsar/pull/9943">#9943</a></li>
<li>ISSUE 10153: Pulsar Functions Go fix time unit ns -> ms <a href="https://github.com/apache/pulsar/pull/10160">#10160</a></li>
<li>Kinesis Connector: Fix kinesis sink can not retry to send messages <a href="https://github.com/apache/pulsar/pull/10420">#10420</a></li>
<li>Kinesis Connector: Fix null error messages in onFailure exception in KinesisSink. <a href="https://github.com/apache/pulsar/pull/10416">#10416</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="tiered-storage-1"></a><a href="#tiered-storage-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Tiered Storage</h4>
<ul>
<li>Prevent Class Loader Leak; Restore Offloader Directory Override <a href="https://github.com/apache/pulsar/pull/9878">#9878</a></li>
<li>Add logs for cleanup offloaded data operation <a href="https://github.com/apache/pulsar/pull/9852">#9852</a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" id="271-mdash-2021-03-18-a-id271a"></a><a href="#271-mdash-2021-03-18-a-id271a" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2.7.1 — 2021-03-18 <a id=“2.7.1”></a></h3>
<h4><a class="anchor" aria-hidden="true" id="broker-2"></a><a href="#broker-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Broker</h4>
<ul>
<li>Fix topic ownership is not checked when getting topic policy <a href="https://github.com/apache/pulsar/pull/9781">#9781</a></li>
<li>Fix the issue of consumers cannot be created for older subscriptions if the limit of <code>maxSubscriptionsPerTopic</code> is reached <a href="https://github.com/apache/pulsar/pull/9758">#9758</a></li>
<li>Fix marking individual deletes as dirty <a href="https://github.com/apache/pulsar/pull/9732">#9732</a></li>
<li>Fix broker-address header added when response has already been committed <a href="https://github.com/apache/pulsar/pull/9744">#9744</a></li>
<li>Fix ByteBuffer allocate error in the AirliftUtils <a href="https://github.com/apache/pulsar/pull/9667">#9667</a></li>
<li>Use Atomic Field Updater to increment volatile messagesConsumedCounter <a href="https://github.com/apache/pulsar/pull/9656">#9656</a></li>
<li>Schema comparison logic change <a href="https://github.com/apache/pulsar/pull/9612">#9612</a></li>
<li>Add metrics for the cursor ack state <a href="https://github.com/apache/pulsar/pull/9618">#9618</a></li>
<li>Fix race condition in BrokerService topic cache <a href="https://github.com/apache/pulsar/pull/9565">#9565</a></li>
<li>Avoid introducing bookkeeper-common into the pulsar-common <a href="https://github.com/apache/pulsar/pull/9551">#9551</a></li>
<li>Async read entries with max size bytes <a href="https://github.com/apache/pulsar/pull/9532">#9532</a></li>
<li>Fix the metric data of msgDelayed for partitioned topics is not aggregated <a href="https://github.com/apache/pulsar/pull/9529">#9529</a></li>
<li>Fix the batch index ack persistent issue <a href="https://github.com/apache/pulsar/pull/9504">#9504</a></li>
<li>Fix logic in ManagedLedgerWriter when config threadNum >= ledgerNum <a href="https://github.com/apache/pulsar/pull/9497">#9479</a></li>
<li>Do not use a static map of listeners in TopicPoliciesService <a href="https://github.com/apache/pulsar/pull/94861">#9486</a></li>
<li>Makes subscription start from MessageId.latest as default <a href="https://github.com/apache/pulsar/pull/9444">#9444</a></li>
<li>Fix setting backlogQuota will always succeed <a href="https://github.com/apache/pulsar/pull/9382">#9382</a></li>
<li>Skip clear delayed messages while dispatch does not init <a href="https://github.com/apache/pulsar/pull/9378">#9378</a></li>
<li>Expose offloaded storage size to the topic stats <a href="https://github.com/apache/pulsar/pull/9335">#9335</a></li>
<li>Expose more info with unknown exception <a href="https://github.com/apache/pulsar/pull/9323">#9323</a></li>
<li>Add alerts for expired/expiring soon tokens <a href="https://github.com/apache/pulsar/pull/9321">#9321</a></li>
<li>Fix fake complete issue in offloading <a href="https://github.com/apache/pulsar/pull/9306">#9306</a></li>
<li>Fix system topic can not auto created <a href="https://github.com/apache/pulsar/pull/9272">#9272</a></li>
<li>Fix BookkeeperSchemaStorage NPE <a href="https://github.com/apache/pulsar/pull/9264">#9264</a></li>
<li>Fix race condition on producer/consumer maps in ServerCnx <a href="https://github.com/apache/pulsar/pull/9256">#9256</a></li>
<li>Fix interceptor disabled in ResponseHandlerFilter.java <a href="https://github.com/apache/pulsar/pull/9252">#9252</a></li>
<li>Fix the interceptor that not handle boundary for multipart/form-data <a href="https://github.com/apache/pulsar/pull/9247">#9247</a></li>
<li>Add authentication metrics <a href="https://github.com/apache/pulsar/pull/9244">#9244</a></li>
<li>Handle web application exception to redirect request <a href="https://github.com/apache/pulsar/pull/9228">#9228</a></li>
<li>Skip the interceptor for MediaType.MULTIPART_FORM_DATA <a href="https://github.com/apache/pulsar/pull/9217">#9217</a></li>
<li>Keep topic-level policies commands consistent with that for namespace level <a href="https://github.com/apache/pulsar/pull/9215">#9215</a></li>
<li>Fix handle topic loading failure due to broken schema ledger <a href="https://github.com/apache/pulsar/pull/9212">#9212</a></li>
<li>Fix issue with topic compaction when compaction ledger is empty <a href="https://github.com/apache/pulsar/pull/9206">#9206</a></li>
<li>Fix incoming message size issue that introduced in #9113 <a href="https://github.com/apache/pulsar/pull/9182">#9182</a></li>
<li>Disallow parsing of token with none signature in authenticateToken <a href="https://github.com/apache/pulsar/pull/9172">#9172</a></li>
<li>Fix locking for ConsumerImpl when creating deadLetterProducer <a href="https://github.com/apache/pulsar/pull/9166">#9166</a></li>
<li>Fix maxProducersPerTopic cannot be disabled at the namespace level <a href="https://github.com/apache/pulsar/pull/9157">#9157</a></li>
<li>Fix wrong default value <a href="https://github.com/apache/pulsar/pull/9149">#9149</a></li>
<li>Fix the closed ledger did not delete after expired <a href="https://github.com/apache/pulsar/pull/9136">#9136</a></li>
<li>Additional error checks in TwoPhasesCompactor <a href="https://github.com/apache/pulsar/pull/9133">#9133</a></li>
<li>Fix master broker while subscribing to non-persistent partitioned topics without topic auto-creation <a href="https://github.com/apache/pulsar/pull/9107">#9107</a></li>
<li>Support chained authentication with same auth method name <a href="https://github.com/apache/pulsar/pull/9094">#9094</a></li>
<li>Broker expires messages one at a time after topic unload <a href="https://github.com/apache/pulsar/pull/9083">#9083</a></li>
<li>Add refresh authentication command in broker <a href="https://github.com/apache/pulsar/pull/9064">#9064</a></li>
<li>Add updateRates method for kop to collect publish rate <a href="https://github.com/apache/pulsar/pull/9049">#9094</a></li>
<li>Fix DelayedDelivery at the broker level has a default value <a href="https://github.com/apache/pulsar/pull/9030">#9030</a></li>
<li>Getting the stats of a non-persistent topic that has been cleaned causes it to re-appear <a href="https://github.com/apache/pulsar/pull/9029">#9029</a></li>
<li>Add raw Prometheus metrics provider <a href="https://github.com/apache/pulsar/pull/9021">#9021</a></li>
<li>Improve error handling when broker doesn't trust client certificates <a href="https://github.com/apache/pulsar/pull/8998">#8998</a></li>
<li>Remove duplicated broker Prometheus metrics type <a href="https://github.com/apache/pulsar/pull/8995">8995</a></li>
<li>Peeking at compressed messages throws an exception (Readonly buffers not supported by Airlift) <a href="https://github.com/apache/pulsar/pull/8990">#8990</a></li>
<li>Make namespaces isolation policy updates take effect on time <a href="https://github.com/apache/pulsar/pull/8976">#8976</a></li>
<li>Fix NPE in PersistentStickyKeyDispatcherMultipleConsumers <a href="https://github.com/apache/pulsar/pull/8969">#8969</a></li>
<li>Fix the recovery not respect to the isolation group settings <a href="https://github.com/apache/pulsar/pull/8961">#8961</a></li>
<li>Add properties default value for SchemaInfoBuilder <a href="https://github.com/apache/pulsar/pull/8952">#8952</a></li>
<li>Consumer support update stats with specified stats <a href="https://github.com/apache/pulsar/pull/8951">#8951</a></li>
<li>Support configure max subscriptions per topic on the topic level policy <a href="https://github.com/apache/pulsar/pull/8948">#8948</a></li>
<li>Fix subscription dispatch rate does not work after the topic unload without dispatch rate limit <a href="https://github.com/apache/pulsar/pull/8947">#8947</a></li>
<li>Avro custom schema not working in consumer <a href="https://github.com/apache/pulsar/pull/8939">#8939</a></li>
<li>Expose non-contiguous deleted messages ranges stats <a href="https://github.com/apache/pulsar/pull/8936">#8936</a></li>
<li>Intercept beforeSendMessage calls <a href="https://github.com/apache/pulsar/pull/8932">#8932</a></li>
<li>Monitor if a cursor moves its mark-delete position <a href="https://github.com/apache/pulsar/pull/8930">#8930</a></li>
<li>Capture stats with precise backlog <a href="https://github.com/apache/pulsar/pull/8928">#8928</a></li>
<li>Support configure max subscriptions per topic on the namespace level policy <a href="https://github.com/apache/pulsar/pull/8924">#8924</a></li>
<li>Export Prometheus metric for messageTTL <a href="https://github.com/apache/pulsar/pull/8871">#8871</a></li>
<li>Add pulsar-perf new feature: one subscription has more than one consumer <a href="https://github.com/apache/pulsar/pull/8837">#8837</a></li>
<li>Execute removing non-persistent subscription of a topic from a different thread to avoid deadlock when removing inactive subscriptions <a href="https://github.com/apache/pulsar/pull/8820">#8820</a></li>
<li>Fix get partition metadata problem for a non-existed topic <a href="https://github.com/apache/pulsar/pull/8818">#8818</a></li>
<li>Fix the problem that batchMessageId is converted to messageIdImpl <a href="https://github.com/apache/pulsar/pull/8779">#8779</a></li>
<li>Clear delayed messages when clear backlog <a href="https://github.com/apache/pulsar/pull/8691">#8691</a></li>
<li>Fixes first automatic compaction issue <a href="https://github.com/apache/pulsar/pull/8209">#8209</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="proxy-1"></a><a href="#proxy-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Proxy</h4>
<ul>
<li>Fix Proxy Config bindAddress does not working for servicePort <a href="https://github.com/apache/pulsar/pull/9068">#9068</a></li>
<li>Return correct authz and auth errors from proxy to client <a href="https://github.com/apache/pulsar/pull/9055">#9055</a></li>
<li>Fix the metadata setup compatibility issue <a href="https://github.com/apache/pulsar/pull/8959">#8959</a></li>
<li>Support HAProxy proxy protocol for broker and proxy <a href="https://github.com/apache/pulsar/pull/8686">#8686</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-perf"></a><a href="#pulsar-perf" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Perf</h4>
<ul>
<li>Dump JVM information <a href="https://github.com/apache/pulsar/pull/9769">#9769</a></li>
<li>pulsar-perf uses DefaultCryptoKeyReader for E2E encryption <a href="https://github.com/apache/pulsar/pull/9668">#9668</a></li>
<li>Add --batch-index-ack for the pulsar-perf <a href="https://github.com/apache/pulsar/pull/9521">#9521</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="transaction"></a><a href="#transaction" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Transaction</h4>
<ul>
<li>Fix deleteTransactionMarker memory leak <a href="https://github.com/apache/pulsar/pull/9752">#9752</a></li>
<li>Fix transaction messages order error and deduplication error <a href="https://github.com/apache/pulsar/pull/9024">#9024</a></li>
<li>Fix transaction log replay not handle right <a href="https://github.com/apache/pulsar/pull/8723">#8723</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-admin-1"></a><a href="#pulsar-admin-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Admin</h4>
<ul>
<li>Validate offload param <a href="https://github.com/apache/pulsar/pull/9737">#9737</a></li>
<li>Inform user when expiring message request is not executed. <a href="https://github.com/apache/pulsar/pull/9561">#9561</a></li>
<li>Fix get-message-by-id throwing NPE when message is null <a href="https://github.com/apache/pulsar/pull/9537">#9537</a></li>
<li>Expire message by position <a href="https://github.com/apache/pulsar/pull/9519">#9519</a></li>
<li>Add subscription backlog size info for topicstats <a href="https://github.com/apache/pulsar/pull/9302">#9302</a></li>
<li>Expose schema ledger in <code>topic stats-internal</code> <a href="https://github.com/apache/pulsar/pull/9284">#9284</a></li>
<li>Fix potential HTTP get hangs in the Pulsar Admin <a href="https://github.com/apache/pulsar/pull/9203">#9203</a></li>
<li>Fix admin-api-brokers list failed <a href="https://github.com/apache/pulsar/pull/9191">#9191</a></li>
<li>Fix force delete namespace did not delete all topics of the namespace <a href="https://github.com/apache/pulsar/pull/8806">#8806</a></li>
<li>Change method <code>getWebServiceUrl</code> into async <a href="https://github.com/apache/pulsar/pull/8746">#8746</a></li>
<li>Fix cannot get lastMessageId for an empty topic due to message retention <a href="https://github.com/apache/pulsar/pull/8725">#8725</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-sql-1"></a><a href="#pulsar-sql-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar SQL</h4>
<ul>
<li>Duplicate key <code>__pfn_input_topic__</code> in presto server <a href="https://github.com/apache/pulsar/pull/9686">#9686</a></li>
<li>Pulsar sql key-value schema separated model support <a href="https://github.com/apache/pulsar/pull/9685">#9685</a></li>
<li>Fix OffloadPolicies json serialization error in Pulsar SQL <a href="https://github.com/apache/pulsar/pull/9300">#9300</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="client-1"></a><a href="#client-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Client</h4>
<ul>
<li>[Java] Add original info when publishing message to dead letter topic <a href="https://github.com/apache/pulsar/pull/9655">#9655</a></li>
<li>[Java] Fix hasMessageAvailable() with empty topic <a href="https://github.com/apache/pulsar/pull/9798">#9798</a></li>
<li>[Java] Add BouncyCastleProvider as security provider to prevent NPE <a href="https://github.com/apache/pulsar/pull/9601">#9601</a></li>
<li>[Java] Async the DLQ process <a href="https://github.com/apache/pulsar/pull/9552">#9552</a></li>
<li>[Java] Fix the partition number not equals expected error <a href="https://github.com/apache/pulsar/pull/9446">#9446</a></li>
<li>[Java] Cleanup consumer on multitopic subscribe failure <a href="https://github.com/apache/pulsar/pull/9419">#9419</a></li>
<li>[Java] Compression must be applied during deferred schema preparation and enableBatching is enabled <a href="https://github.com/apache/pulsar/pull/9396">#9396</a></li>
<li>[Java] Add default implementation of CryptoKeyReader <a href="https://github.com/apache/pulsar/pull/9379">#9379</a></li>
<li>[Java] Able to handling messages with multiple listener threads in order for the Key_Shared subscription <a href="https://github.com/apache/pulsar/pull/9329">#9329</a></li>
<li>[Java] Fix NPE when MultiTopicsConsumerImpl receives null value messages <a href="https://github.com/apache/pulsar/pull/9113">#9113</a></li>
<li>[Java] Fix Unavailable Hash Range Condition <a href="https://github.com/apache/pulsar/pull/9041">#9041</a></li>
<li>[Java] Add more information in send timeout exception <a href="https://github.com/apache/pulsar/pull/8931">#8931</a></li>
<li>[Java] GenericJsonReader converts the null value to string "null" <a href="https://github.com/apache/pulsar/pull/8883">#8883</a></li>
<li>[Java] Always remove message data size <a href="https://github.com/apache/pulsar/pull/8566">#8566</a></li>
<li>[Python] Support python end to end encryption <a href="https://github.com/apache/pulsar/pull/9588">#9588</a></li>
<li>[C++] Add 'encrypted' option in commands.newproducer() <a href="https://github.com/apache/pulsar/pull/9542">#9542</a></li>
<li>[C++] Remove namespace check for MultiTopicsConsumerImpl <a href="https://github.com/apache/pulsar/pull/9520">#9520</a></li>
<li>[C++] Fix broken replication msg to specific cluster <a href="https://github.com/apache/pulsar/pull/9372">#9372</a></li>
<li>[C++] Fix compilation issue caused by non-virtual destructor <a href="https://github.com/apache/pulsar/pull/9106">#9106</a></li>
<li>[C++] Expose cpp end to end encryption interface <a href="https://github.com/apache/pulsar/pull/9074">#9074</a></li>
<li>[C++] Fix Consumer send redeliverMessages repeatedly <a href="https://github.com/apache/pulsar/pull/9072">#9072</a></li>
<li>[C++] Add consumer's configs for reader <a href="https://github.com/apache/pulsar/pull/8905">#8905</a></li>
<li>[C++] Add reader internal subscription name setter <a href="https://github.com/apache/pulsar/pull/8823">#8823</a></li>
<li>[C++] Fix race condition in BlockingQueue <a href="https://github.com/apache/pulsar/pull/8765">#8765</a></li>
<li>[C++] Fix cpp client do AcknowledgeCumulative not clean up previous message <a href="https://github.com/apache/pulsar/pull/8606">#8606</a></li>
<li>[C++] Implement batch aware producer router <a href="https://github.com/apache/pulsar/pull/8395">#8395</a></li>
<li>[Websocket] Fix the initial sequence id error <a href="https://github.com/apache/pulsar/pull/8724">#8724</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="function"></a><a href="#function" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Function</h4>
<ul>
<li>Add downloadDirectory support to function k8s runtime <a href="https://github.com/apache/pulsar/pull/9619">#9619</a></li>
<li>Kubernetes runtime functions create rfc1123 compliant labels <a href="https://github.com/apache/pulsar/pull/9556">#9556</a></li>
<li>Fix can't create functions with m-TLS <a href="https://github.com/apache/pulsar/pull/9553">#9553</a></li>
<li>Fix reading metrics will always get stuck in some cases <a href="https://github.com/apache/pulsar/pull/9538">#9538</a></li>
<li>Call the corresponding restart according to the componentype <a href="https://github.com/apache/pulsar/pull/9519">#9519</a></li>
<li>Fix narExtractionDirectory not set <a href="https://github.com/apache/pulsar/pull/9319">#9319</a></li>
<li>Fix java function logging appender not added to java function logger <a href="https://github.com/apache/pulsar/pull/9299">#9299</a></li>
<li>Fix don't attempt to clean up packages when Source/Sink is builtin <a href="https://github.com/apache/pulsar/pull/9289">#9289</a></li>
<li>Fix function worker get superuser role <a href="https://github.com/apache/pulsar/pull/9259">#9259</a></li>
<li>Fix broker and functions-worker authentication compatibility <a href="https://github.com/apache/pulsar/pull/9190">#9190</a></li>
<li>Splitting the authentication logic of function worker and client <a href="https://github.com/apache/pulsar/pull/8824">#8824</a></li>
<li>[Go] Fix metrics server handler error <a href="https://github.com/apache/pulsar/pull/9394">#9394</a></li>
<li>[Go] Add metrics server to go function <a href="https://github.com/apache/pulsar/pull/9318">#9318</a></li>
<li>[Go] Fix publishfunc example is broken <a href="https://github.com/apache/pulsar/pull/9124">#9124</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-io"></a><a href="#pulsar-io" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar IO</h4>
<ul>
<li>Add option for auto.offset.reset to kafka source <a href="https://github.com/apache/pulsar/pull/9482">#9482</a></li>
<li>Fix debezium-connector error log <a href="https://github.com/apache/pulsar/pull/9063">#9063</a></li>
<li>Fix NSQ source META-INF file name and sourceConfigClass <a href="https://github.com/apache/pulsar/pull/8941">#8941</a></li>
<li>Make Source topic Schema information available to downstream Sinks <a href="https://github.com/apache/pulsar/pull/8854">#8854</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="tiered-storage-2"></a><a href="#tiered-storage-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Tiered Storage</h4>
<ul>
<li>Allow AWS credentials to be refreshed <a href="https://github.com/apache/pulsar/pull/9387">#9387</a></li>
<li>Offload manager initialization once <a href="https://github.com/apache/pulsar/pull/8739">#8739</a></li>
<li>Configurable data source for offloaded messages <a href="https://github.com/apache/pulsar/pull/8717">#8717</a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" id="263-mdash-2021-01-26-a-id263a"></a><a href="#263-mdash-2021-01-26-a-id263a" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2.6.3 — 2021-01-26 <a id=“2.6.3”></a></h3>
<h4><a class="anchor" aria-hidden="true" id="broker-3"></a><a href="#broker-3" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Broker</h4>
<ul>
<li>Update the BookKeeper to version 4.11.1 <a href="https://github.com/apache/pulsar/pull/8604">#8604</a></li>
<li>Use the correct configuration for the expiration time of the ZooKeeper cache <a href="https://github.com/apache/pulsar/pull/8302">#8302</a></li>
<li>Refresh ZooKeeper-data cache in background to avoid deadlock and blocking IO on the ZooKeeper thread <a href="https://github.com/apache/pulsar/pull/8304">#8304</a></li>
<li>Add <code>elapsedMs</code> in the creation of the ledger log <a href="https://github.com/apache/pulsar/pull/8473">#8473</a></li>
<li>Fix the race condition when calling <code>acknowledgementWasProcessed()</code> <a href="https://github.com/apache/pulsar/pull/8499">#8499</a></li>
<li>Fix the way to handle errors for client requests <a href="https://github.com/apache/pulsar/pull/8518">#8518</a></li>
<li>Expose consumer names after the mark delete position for the Key_Shared subscription <a href="https://github.com/apache/pulsar/pull/8545">#8545</a></li>
<li>Close topics that remain fenced forcefully <a href="https://github.com/apache/pulsar/pull/8561">#8561</a></li>
<li>Expose the last disconnected timestamp for producers and consumers <a href="https://github.com/apache/pulsar/pull/8605">#8605</a></li>
<li>Support the HAProxy proxy protocol for Pulsar broker and Pulsar Proxy <a href="https://github.com/apache/pulsar/pull/8686">#8686</a></li>
<li>Clear delayed messages when clearing the backlog <a href="https://github.com/apache/pulsar/pull/8691">#8691</a></li>
<li>Fix the Jclouds Azure credential error <a href="https://github.com/apache/pulsar/pull/8693">#8693</a></li>
<li>Improve environment configiguration handling <a href="https://github.com/apache/pulsar/pull/8709">#8709</a></li>
<li>Fix the issue with failing to get <code>lastMessageId</code> for an empty topic due to message retention <a href="https://github.com/apache/pulsar/pull/8725">#8725</a></li>
<li>Ensure that the Offload manager is initialized once <a href="https://github.com/apache/pulsar/pull/8739">#8739</a></li>
<li>Fix the issue with getting partition metadata for a non-existed topic <a href="https://github.com/apache/pulsar/pull/8818">#8818</a></li>
<li>Fix the exception cast error <a href="https://github.com/apache/pulsar/pull/8828">#8828</a></li>
<li>Export Prometheus metric for messageTTL <a href="https://github.com/apache/pulsar/pull/8871">#8871</a></li>
<li>Fix the issue that GenericJsonReader converts the null value to string "null" <a href="https://github.com/apache/pulsar/pull/8883">#8883</a></li>
<li>Capture stats with precise backlog <a href="https://github.com/apache/pulsar/pull/8928">#8928</a></li>
<li>Monitor if a cursor moves its mark-delete position <a href="https://github.com/apache/pulsar/pull/8930">#8930</a></li>
<li>Intercept <code>beforeSendMessage</code> calls <a href="https://github.com/apache/pulsar/pull/8932">#8932</a></li>
<li>Expose non-contiguous deleted messages ranges stats <a href="https://github.com/apache/pulsar/pull/8936">#8936</a></li>
<li>Fix NPE in <code>PersistentStickyKeyDispatcherMultipleConsumers</code> <a href="https://github.com/apache/pulsar/pull/8969">#8969</a></li>
<li>Fix the issue that an exception is thrown when peeking at compressed messages (Readonly buffers are not supported by Airlift) <a href="https://github.com/apache/pulsar/pull/8990">#8990</a></li>
<li>Remove the duplicated broker Prometheus metrics type <a href="https://github.com/apache/pulsar/pull/8995">#8995</a></li>
<li>Improve the way to handle errors when the broker does not trust client certificates <a href="https://github.com/apache/pulsar/pull/8998">#8998</a></li>
<li>Add the raw Prometheus metrics provider <a href="https://github.com/apache/pulsar/pull/9021">#9021</a></li>
<li>Support chained authentication with same authentication method name <a href="https://github.com/apache/pulsar/pull/9094">#9094</a></li>
<li>Fix regression in apply-config-from-env.py <a href="https://github.com/apache/pulsar/pull/9097">#9097</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="proxy-2"></a><a href="#proxy-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Proxy</h4>
<ul>
<li>Fix the <code>request.getContentLength()</code> to return 0 if it is less than 0 <a href="https://github.com/apache/pulsar/pull/8448">#8448</a></li>
<li>Add the error log for the Pulsar Proxy starter <a href="https://github.com/apache/pulsar/pull/8451">#8451</a></li>
<li>Support enabling WebSocket on Pulsar Proxy <a href="https://github.com/apache/pulsar/pull/8613">#8613</a></li>
<li>Fix the issue that the Proxy <code>bindAddress</code> configuration does not work for the <code>servicePort</code> <a href="https://github.com/apache/pulsar/pull/9068">#9068</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="java-client-1"></a><a href="#java-client-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Java Client</h4>
<ul>
<li>Fix the connection leak <a href="https://github.com/apache/pulsar/pull/6524">#6524</a></li>
<li>Cancel the sendtimeout task for the producer after creation failure <a href="https://github.com/apache/pulsar/pull/8497">#8497</a></li>
<li>Fix the typo in <code>pulsar-client-all</code> module's pom.xml file <a href="https://github.com/apache/pulsar/pull/8543">#8543</a></li>
<li>Add more information in send timeout exception <a href="https://github.com/apache/pulsar/pull/8931">#8931</a></li>
<li>Fix the unavailable hash range condition <a href="https://github.com/apache/pulsar/pull/9041">#9041</a></li>
<li>Fix NPE when <code>MultiTopicsConsumerImpl</code> receives null-value messages <a href="https://github.com/apache/pulsar/pull/9113">#9113</a></li>
<li>Fix the issue with the incoming message size that is introduced by issue #9113 <a href="https://github.com/apache/pulsar/pull/9182">#9182</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="c-client-1"></a><a href="#c-client-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>C++ Client</h4>
<ul>
<li>Catch the exception thrown by the remote_endpoint <a href="https://github.com/apache/pulsar/pull/8486">#8486</a></li>
<li>Fix the potential crash caused by the AckGroupTracker's timer <a href="https://github.com/apache/pulsar/pull/8519">#8519</a></li>
<li>Fix the race condition in <code>BlockingQueue</code> <a href="https://github.com/apache/pulsar/pull/8765">#8765</a></li>
<li>Add the reader internal subscription name setter <a href="https://github.com/apache/pulsar/pull/8823">#8823</a></li>
<li>Add consumer's configurations for the reader <a href="https://github.com/apache/pulsar/pull/8905">#8905</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="python-client"></a><a href="#python-client" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python Client</h4>
<ul>
<li>Add Oauth2 client wrapper for the python client <a href="https://github.com/apache/pulsar/pull/7813">#7813</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-perf-1"></a><a href="#pulsar-perf-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Perf</h4>
<ul>
<li>Support WebSocket Producer for V2 topics <a href="https://github.com/apache/pulsar/pull/8535">#8535</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-io-1"></a><a href="#pulsar-io-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar IO</h4>
<ul>
<li>Make Schema information of Source topic available to downstream Sinks <a href="https://github.com/apache/pulsar/pull/8854">#8854</a></li>
<li>Fix the error log of the Debezium connector <a href="https://github.com/apache/pulsar/pull/9063">#9063</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="functions"></a><a href="#functions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Functions</h4>
<ul>
<li>Propagate user-defined parameter into instances of Golang Pulsar Functions <a href="https://github.com/apache/pulsar/pull/8132">#8132</a></li>
<li>Go functions supports Kubernetes runtime <a href="https://github.com/apache/pulsar/pull/8352">#8352</a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" id="270-mdash-2020-11-25-a-id270a"></a><a href="#270-mdash-2020-11-25-a-id270a" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2.7.0 — 2020-11-25 <a id=“2.7.0”></a></h3>
<p>The following lists fixes and enhancements in the 2.7.0 release.</p>
<h4><a class="anchor" aria-hidden="true" id="transactions"></a><a href="#transactions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Transactions</h4>
<ul>
<li>Implement the Transaction Buffer Client <a href="https://github.com/apache/pulsar/pull/6544">#6544</a></li>
<li>Support produce messages with transaction and commit transaction <a href="https://github.com/apache/pulsar/pull/7552">#7552</a></li>
<li>Support consume transaction messages <a href="https://github.com/apache/pulsar/pull/7781">#7781</a> <a href="https://github.com/apache/pulsar/pull/7833">#7833</a></li>
<li>Message acknowledgment with transaction <a href="https://github.com/apache/pulsar/pull/7856">#7856</a> <a href="https://github.com/apache/pulsar/pull/8007">#8007</a></li>
<li>Support transaction abort on partition <a href="https://github.com/apache/pulsar/pull/7953">#7953</a></li>
<li>Support transaction abort on subscription <a href="https://github.com/apache/pulsar/pull/7979">#7979</a></li>
<li>Handle pending ack at the client side <a href="https://github.com/apache/pulsar/pull/8037">#8037</a></li>
<li>Pending ack state implementation <a href="https://github.com/apache/pulsar/pull/8426">#8426</a></li>
<li>Support get reponse for message acknowledge <a href="https://github.com/apache/pulsar/pull/8161">#8161</a></li>
<li>Refactor the transaction buffer implementation <a href="https://github.com/apache/pulsar/pull/8291">#8291</a> <a href="https://github.com/apache/pulsar/pull/8347">#8347</a></li>
<li>Transaction marker deletion <a href="https://github.com/apache/pulsar/pull/8318">#8318</a></li>
<li>Support produce messages with transaction in batch <a href="https://github.com/apache/pulsar/pull/8415">#8415</a></li>
<li>Register transaction metadata before send or ack messages <a href="https://github.com/apache/pulsar/pull/8493">#8493</a></li>
<li>Expose transaction interface <a href="https://github.com/apache/pulsar/pull/8505">#8505</a></li>
<li>Guarantee transaction metadata handlers connected <a href="https://github.com/apache/pulsar/pull/8563">#8563</a></li>
<li>Add the batch size in transaction ack command <a href="https://github.com/apache/pulsar/pull/8659">#8659</a></li>
<li>Implement the Transaction Log <a href="https://github.com/apache/pulsar/pull/8658">#8658</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="topic-policy"></a><a href="#topic-policy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Topic policy</h4>
<ul>
<li>Support setting message TTL on topic level <a href="https://github.com/apache/pulsar/pull/7738">#7738</a></li>
<li>Support setting retention on topic level <a href="https://github.com/apache/pulsar/pull/7747">#7747</a></li>
<li>Support setting delayed delivery policy on topic level <a href="https://github.com/apache/pulsar/pull/7784">#7784</a></li>
<li>Support setting max unacked message per subscription on topic level <a href="https://github.com/apache/pulsar/pull/7802">#7802</a></li>
<li>Support setting persistence policie on topic level <a href="https://github.com/apache/pulsar/pull/7817">#7817</a></li>
<li>Support setting max unacked messages per consumer on topic level <a href="https://github.com/apache/pulsar/pull/7818">#7818</a></li>
<li>Support setting deduplication policy on topic level <a href="https://github.com/apache/pulsar/pull/7821">#7821</a></li>
<li>Support setting message dispatch rate on topic level <a href="https://github.com/apache/pulsar/pull/7863">#7863</a>)</li>
<li>Support setting compaction threshold on topic level <a href="https://github.com/apache/pulsar/pull/7881">#7881</a></li>
<li>Support setting offload policy on topic level <a href="https://github.com/apache/pulsar/pull/7883">#7883</a></li>
<li>Support setting max producers for a topic <a href="https://github.com/apache/pulsar/pull/7914">#7914</a></li>
<li>Support setting max consumers for a topic <a href="https://github.com/apache/pulsar/pull/7968">#7968</a></li>
<li>Support setting publish rate limitation for a topic <a href="https://github.com/apache/pulsar/pull/7948">#7948</a></li>
<li>Support setting inactive topic policy on topic level <a href="https://github.com/apache/pulsar/pull/7986">#7986</a></li>
<li>Support setting subscribe rate for a topic <a href="https://github.com/apache/pulsar/pull/7991">#7991</a></li>
<li>Support setting max consumers per subscription on topic level <a href="https://github.com/apache/pulsar/pull/8003">#8003</a></li>
<li>Support setting subscription dispatch rate on topic level <a href="https://github.com/apache/pulsar/pull/8087">#8087</a></li>
<li>Support setting deduplication snapshot interval on topic level <a href="https://github.com/apache/pulsar/pull/8552">#8552</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="broker-4"></a><a href="#broker-4" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Broker</h4>
<ul>
<li>Upgrade BookKeeper version to 4.12.0 <a href="https://github.com/apache/pulsar/pull/8447">#8447</a></li>
<li>Capture the add entry latency of managed-ledger <a href="https://github.com/apache/pulsar/pull/4419">#4419</a></li>
<li>Keep max-concurrent http web-request configurable <a href="https://github.com/apache/pulsar/pull/7250">#7250</a></li>
<li>Perform the unload in background after bundle split <a href="https://github.com/apache/pulsar/pull/7387">#7387</a></li>
<li>Cleanup already deleted namespace topics when remove cluster <a href="https://github.com/apache/pulsar/pull/7473">#7473</a></li>
<li>Support partitioned topics in the Reader <a href="https://github.com/apache/pulsar/pull/7518">#7518</a></li>
<li>Support partitioned topic lookup <a href="https://github.com/apache/pulsar/pull/7605">#7605</a></li>
<li>Make OrderedExecutor threads number configurable <a href="https://github.com/apache/pulsar/pull/7765">#7765</a></li>
<li>Add config to lazily recover cursors when recovering a managed ledger <a href="https://github.com/apache/pulsar/pull/7858">#7858</a></li>
<li>Make BookKeeper throttle configurable <a href="https://github.com/apache/pulsar/pull/7901">#7901</a></li>
<li>Report compacted topic ledger info when calling get internal stats <a href="https://github.com/apache/pulsar/pull/7988">#7988</a></li>
<li>Add broker config to enforce producer to publish encrypted message <a href="https://github.com/apache/pulsar/pull/8055">#8055</a></li>
<li>Expose ensemble placement policy in bookkeeper.conf <a href="https://github.com/apache/pulsar/pull/8210">#8210</a></li>
<li>Support limit topic publish rate at the broker level <a href="https://github.com/apache/pulsar/pull/8235">#8235</a></li>
<li>Support limit the max tenants of the Pulsar cluster <a href="https://github.com/apache/pulsar/pull/8261">#8261</a></li>
<li>Support limit the max namespaces per tenant <a href="https://github.com/apache/pulsar/pull/8267">#8267</a></li>
<li>Support limit max subscriptions per topic <a href="https://github.com/apache/pulsar/pull/8289">#8289</a></li>
<li>Added metrics for topic lookups operations <a href="https://github.com/apache/pulsar/pull/8272">#8272</a></li>
<li>Added REST handler for broker ready probe <a href="https://github.com/apache/pulsar/pull/8303">#8303</a></li>
<li>Configure namespace anti-affinity in local policies <a href="https://github.com/apache/pulsar/pull/8349">#8349</a></li>
<li>Handle hash collision in KeyShared subscription mode <a href="https://github.com/apache/pulsar/pull/8396">#8396</a></li>
<li>Configure maxMsgReplDelayInSeconds for each repl-cluster <a href="https://github.com/apache/pulsar/pull/8409">#8409</a></li>
<li>Support taking de-duplication snapshots based on time <a href="https://github.com/apache/pulsar/pull/8474">#8474</a></li>
<li>Support namespace-level duplication snapshot <a href="https://github.com/apache/pulsar/pull/8506">#8506</a></li>
<li>Expose consumer names after the mark delete position for the Key_Shared subscription <a href="https://github.com/apache/pulsar/pull/8545">#8545</a></li>
<li>Close topics that remain fenced forcefully <a href="https://github.com/apache/pulsar/pull/8561">#8561</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="functions-1"></a><a href="#functions-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Functions</h4>
<ul>
<li>Separate out FunctionMetadata related helper functions <a href="https://github.com/apache/pulsar/pull/7146">#7146</a></li>
<li>Attach names for all producers/readers in worker service <a href="https://github.com/apache/pulsar/pull/7165">#7165</a></li>
<li>Add support to read compacted topic <a href="https://github.com/apache/pulsar/pull/7193">#7193</a></li>
<li>Re-work Function MetaDataManager to make all metadata writes only by the leader <a href="https://github.com/apache/pulsar/pull/7255">#7255</a></li>
<li>Fix leader/scheduler assignment processing lag problem <a href="https://github.com/apache/pulsar/pull/7237">#7237</a></li>
<li>Set source spec's negativeacktimeout as well as timeout <a href="https://github.com/apache/pulsar/pull/7337">#7337</a></li>
<li>Add an endpoint to check whether function worker service is initialized <a href="https://github.com/apache/pulsar/pull/7350">#7350</a></li>
<li>Functions metadata compaction <a href="https://github.com/apache/pulsar/pull/7377">#7377</a></li>
<li>Implement rebalance mechanism <a href="https://github.com/apache/pulsar/pull/7388">#7388</a></li>
<li>Improve security setting <a href="https://github.com/apache/pulsar/pull/7424">#7424</a></li>
<li>Allow function rebalance to be run periodically <a href="https://github.com/apache/pulsar/pull/7449">#7449</a></li>
<li>Log scheduler stats for Pulsar Functions <a href="https://github.com/apache/pulsar/pull/7474">#7474</a></li>
<li>Add BatchPushSource interface <a href="https://github.com/apache/pulsar/pull/7493">#7493</a></li>
<li>Rejigger contract between LeaderService and rest of components <a href="https://github.com/apache/pulsar/pull/7520">#7520</a></li>
<li>Allow null consume in BatchPushSource <a href="https://github.com/apache/pulsar/pull/7573">#7573</a></li>
<li>Add readiness api for the worker leader <a href="https://github.com/apache/pulsar/pull/7601">#7601</a></li>
<li>Reduce in the leader init time in Pulsar Functions <a href="https://github.com/apache/pulsar/pull/7611">#7611</a></li>
<li>Export Function worker internal stats via Prometheus <a href="https://github.com/apache/pulsar/pull/7641">#7641</a></li>
<li>Allow ability to specify retain key ordering in functions <a href="https://github.com/apache/pulsar/pull/7647">#7647</a></li>
<li>Added ability to specify runtime for localrunner <a href="https://github.com/apache/pulsar/pull/7681">#7681</a></li>
<li>Add additional metrics for Pulsar Function Worker <a href="https://github.com/apache/pulsar/pull/7685">#7685</a></li>
<li>Use available cores for io thread processing <a href="https://github.com/apache/pulsar/pull/7689">#7689</a></li>
<li>Added ability to specify producer config for functions and sources <a href="https://github.com/apache/pulsar/pull/7721">#7721</a></li>
<li>Allow the option to make producers thread local <a href="https://github.com/apache/pulsar/pull/7764">#7764</a></li>
<li>Add ability for BatchPushSource to notify errors asynchronously <a href="https://github.com/apache/pulsar/pull/7865">#7865</a></li>
<li>Allow ability to specify sub position in functions <a href="https://github.com/apache/pulsar/pull/7891">#7891</a></li>
<li>Add hostname to consumer/producer properties in Pulsar Functions <a href="https://github.com/apache/pulsar/pull/7897">#7897</a></li>
<li>Allow specifying state storage url for Source/Sink localrun <a href="https://github.com/apache/pulsar/pull/7930">#7930</a></li>
<li>Enable function worker JVM metrics to be reported via Prometheus <a href="https://github.com/apache/pulsar/pull/8097">#8097</a></li>
<li>Add ability to specify EnvironmentBasedSecretsProvider in LocalRunner <a href="https://github.com/apache/pulsar/pull/8098">#8098</a></li>
<li>Added ability to specify secrets class in localrunner builder <a href="https://github.com/apache/pulsar/pull/8127">#8127</a></li>
<li>Add access to the current message from the function context <a href="https://github.com/apache/pulsar/pull/8290">#8290</a></li>
<li>Enable e2e encryption for Pulsar Function <a href="https://github.com/apache/pulsar/pull/8432">#8432</a></li>
<li>Support key_based batch builder for functions and sources <a href="https://github.com/apache/pulsar/pull/8523">#8523</a></li>
<li>Refactor Context and State API to allow plugging different state store implementations <a href="https://github.com/apache/pulsar/pull/8537">#8537</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="io-connectors"></a><a href="#io-connectors" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>IO connectors</h4>
<ul>
<li>[HDFS] Add config to create sub directory from current time <a href="https://github.com/apache/pulsar/pull/7771">#7771</a></li>
<li>[NSQ] Add NSQ Source <a href="https://github.com/apache/pulsar/pull/8372">#8372</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="schema"></a><a href="#schema" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Schema</h4>
<ul>
<li>Add java8 date and time type to primitive schemas <a href="https://github.com/apache/pulsar/pull/7874">#7874</a></li>
<li>Native protobuf schema support <a href="https://github.com/apache/pulsar/pull/7874">#7874</a></li>
<li>Refactor multi-version schema reader <a href="https://github.com/apache/pulsar/pull/8464">#8464</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="tiered-storage-3"></a><a href="#tiered-storage-3" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Tiered storage</h4>
<ul>
<li>Support Azure BlobStore offload <a href="https://github.com/apache/pulsar/pull/8436">#8436</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="clients"></a><a href="#clients" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Clients</h4>
<ul>
<li>[Java] Support acknowledging a list of messages <a href="https://github.com/apache/pulsar/pull/7688">#7688</a></li>
<li>[Java] Remove UUID generation on sending message <a href="https://github.com/apache/pulsar/pull/7705">#7705</a></li>
<li>[Java] Perform producer compression from IO threads <a href="https://github.com/apache/pulsar/pull/7733">#7733</a></li>
<li>[C++] Allow to configure KeyShared with out of order delivery <a href="https://github.com/apache/pulsar/pull/7842">#7842</a></li>
<li>[Java] Await thread pool termination when closing Pulsar client <a href="https://github.com/apache/pulsar/pull/7962">#7962</a></li>
<li>[Java] Support non-durable subscription for pulsar-client cli <a href="https://github.com/apache/pulsar/pull/8100">#8100</a></li>
<li>[Java] Cancel producer sendtimeout task after creation failure <a href="https://github.com/apache/pulsar/pull/8497">#8497</a></li>
<li>[cgo] Remove CGO client from repo <a href="https://github.com/apache/pulsar/pull/8514">#8514</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="admin"></a><a href="#admin" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Admin</h4>
<ul>
<li>[Pulsar Admin] support config request timeout <a href="https://github.com/apache/pulsar/pull/7698">#7698</a></li>
<li>[Pulsar Admin] Ensure deleting a partitioned-topic on a non existing namespace returns 404 <a href="https://github.com/apache/pulsar/pull/7777">#7777</a></li>
<li>[Pulsar Admin] Added support to force deleting namespace <a href="https://github.com/apache/pulsar/pull/7993">#7993</a></li>
<li>[Pulsar Admin] Allow to get ledger metadata along with topic stats-internal <a href="https://github.com/apache/pulsar/pull/8180">#8180</a></li>
<li>[Pulsar Admin] Support remove namespace level offload policy <a href="https://github.com/apache/pulsar/pull/8446">#8446</a></li>
<li>[Pulsar Admin] Suport get list of bundles under a namespace <a href="https://github.com/apache/pulsar/pull/8450">#8450</a></li>
<li>[Pulsar Admin] Add ability to examine specific message by position relative to earliest or latest message <a href="https://github.com/apache/pulsar/pull/8494">#8494</a></li>
<li>[Pulsar Admin] Add key-shared consumer range to internal topic stats <a href="https://github.com/apache/pulsar/pull/8567">#8567</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="fixes"></a><a href="#fixes" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Fixes</h4>
<ul>
<li>[Java Client] Fix connection leak <a href="https://github.com/apache/pulsar/pull/6524">#6524</a></li>
<li>[Broker] Prevent redirection of lookup requests from looping <a href="https://github.com/apache/pulsar/pull/7200">#7200</a></li>
<li>[Broker] Ensure that admin operations are gated by super user check <a href="https://github.com/apache/pulsar/pull/7226">#7226</a></li>
<li>[Broker] Fix race condition when delete topic forcelly <a href="https://github.com/apache/pulsar/pull/7356">#7356</a></li>
<li>[Tiered Storage] Fix NPE when offload data to GCS <a href="https://github.com/apache/pulsar/pull/7400">#7400</a></li>
<li>[Function]Fix race condition in which exitFuture in FunctionAssignmentTailer never gets completed even though the tailer thread has exited <a href="https://github.com/apache/pulsar/pull/7351">#7351</a></li>
<li>[Function] Various fixes and optimizations for processing assignments in function worker <a href="https://github.com/apache/pulsar/pull/7338">#7338</a></li>
<li>[Function] Fix deadlock between create function and leader initialization <a href="https://github.com/apache/pulsar/pull/7508">#7508</a></li>
<li>[Pulsar Admin] Fix exceptions being ignored in PulsarAdmin <a href="https://github.com/apache/pulsar/pull/7510">#7510</a></li>
<li>[Broker] Fix the nondurable consumer can not specify the initial position <a href="https://github.com/apache/pulsar/pull/7702">#7702</a></li>
<li>[Broker] Fixed race condition on deleting topic with active readers <a href="https://github.com/apache/pulsar/pull/7715">#7715</a></li>
<li>[Broker] Avoid ConcurrentModificationException of LocalBrokerData <a href="https://github.com/apache/pulsar/pull/7729">#7729</a></li>
<li>[C++ Client] Fix race condition caused by consumer seek and close <a href="https://github.com/apache/pulsar/pull/7819">#7819</a></li>
<li>[Pulsar Proxy] Fix memory leak with debug log-level <a href="https://github.com/apache/pulsar/pull/7963">#7963</a></li>
<li>[Broker] Double check from zookeeper if availableBrokers is empty for discovery service <a href="https://github.com/apache/pulsar/pull/7975">#7975</a></li>
<li>[Broker] Fix broker-ml bucket stats show high metrics rate <a href="https://github.com/apache/pulsar/pull/8218">#8218</a></li>
<li>[Broker] Fix incorrect configuration for zk-cache expire time <a href="https://github.com/apache/pulsar/pull/8302">#8302</a></li>
<li>[Function] Fix returned status code for get function state when state does not exist <a href="https://github.com/apache/pulsar/pull/8437">#8437</a></li>
<li>[Broker] Fix the residual of inactive partitioned-topic cleaning <a href="https://github.com/apache/pulsar/pull/8442">#8442</a></li>
<li>[Pulsar Proxy] Fix request.getContentLength() to return 0 if it is less than 0 <a href="https://github.com/apache/pulsar/pull/8448">#8448</a></li>
<li>[Broker] Fix race condition when calling acknowledgementWasProcessed() <a href="https://github.com/apache/pulsar/pull/8499">#8499</a></li>
<li>[Java Client] Fix handling errors for client requests <a href="https://github.com/apache/pulsar/pull/8518">#8518</a></li>
<li>[C++ Client] Fix potential crash caused by AckGroupTracker's timer <a href="https://github.com/apache/pulsar/pull/8519">#8519</a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" id="262-mdash-2020-11-09-a-id262a"></a><a href="#262-mdash-2020-11-09-a-id262a" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2.6.2 — 2020-11-09 <a id=“2.6.2”></a></h3>
<p>The following lists fixes and enhancements in the 2.6.2 release.</p>
<h4><a class="anchor" aria-hidden="true" id="broker-5"></a><a href="#broker-5" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Broker</h4>
<ul>
<li>[Broker] Catch throwable when start pulsar <a href="https://github.com/apache/pulsar/pull/7221">7221</a></li>
<li>[Broker] Protobuf-shaded package can not update version <a href="https://github.com/apache/pulsar/pull/7228">7228</a></li>
<li>[Broker] Check for null arguments in Namespaces Rest API <a href="https://github.com/apache/pulsar/pull/7247">7247</a></li>
<li>[Broker] Handle SubscriptionBusyException in resetCursor api <a href="https://github.com/apache/pulsar/pull/7335">7335</a></li>
<li>[Broker] Converted the namespace bundle unload into async operation <a href="https://github.com/apache/pulsar/pull/7364">7364</a></li>
<li>[Broker] Update Jersey to 2.31 <a href="https://github.com/apache/pulsar/pull/7515">7515</a></li>
<li>[Broker] Stop to dispatch when skip message temporally since Key_Shared consumer stuck on delivery <a href="https://github.com/apache/pulsar/pull/7553">7553</a></li>
<li>[Broker] Fix bug where producer for geo-replication is not closed when topic is unloaded <a href="https://github.com/apache/pulsar/pull/7735">7735</a></li>
<li>[Broker] Make resetting cursor in REST API asynchronous <a href="https://github.com/apache/pulsar/pull/7744">7744</a></li>
<li>[Broker] Reestablish namespace bundle ownership from false negative releasing and false positive acquiring <a href="https://github.com/apache/pulsar/pull/7773">7773</a></li>
<li>[Broker] make pulsar executor pool size configurable <a href="https://github.com/apache/pulsar/pull/7782">7782</a></li>
<li>[Broker] Redirect Get message by id request when broker not serve for the topic <a href="https://github.com/apache/pulsar/pull/7786">7786</a></li>
<li>[Broker] Make zk cache executor thread pool size configurable <a href="https://github.com/apache/pulsar/pull/7794">7794</a></li>
<li>[Broker] Implement toString() method for TopicMessageIdImpl class <a href="https://github.com/apache/pulsar/pull/7807">7807</a></li>
<li>[Broker] Fix pending batchIndexAcks bitSet batchSize in PersistentAcknowledgmentsGroupingTracker <a href="https://github.com/apache/pulsar/pull/7828">7828</a></li>
<li>[Broker] Fix deadlock when adding consumer <a href="https://github.com/apache/pulsar/pull/7841">7841</a></li>
<li>[Broker] Split message ranges by ledger ID and store them in individualDeletedMessages <a href="https://github.com/apache/pulsar/pull/7861">7861</a></li>
<li>[Broker] Fix pulsar metrics providing wrong information <a href="https://github.com/apache/pulsar/pull/7905">7905</a></li>
<li>[Broker] Don't fail the health check request when trying to delete the previous subscription <a href="https://github.com/apache/pulsar/pull/7906">7906</a></li>
<li>[Broker] Add configuration to set number of channels per bookie <a href="https://github.com/apache/pulsar/pull/7910">7910</a></li>
<li>[Broker] Fix publish buffer of one ServerCnx calculated multi-times when check broker's publish buffer <a href="https://github.com/apache/pulsar/pull/7926">7926</a></li>
<li>[Broker] Add some logging to improve Authentication debugging and Fix typos in code "occured" -> "occurred" <a href="https://github.com/apache/pulsar/pull/7934">7934</a></li>
<li>[Broker] Fix NPE when acknowledge messages at the broker side <a href="https://github.com/apache/pulsar/pull/7937">7937</a></li>
<li>[Broker] Fix the wrong issuer url concatenate <a href="https://github.com/apache/pulsar/pull/7980">7980</a></li>
<li>[Broker] Upgrade the snakeyaml version to 1.26 <a href="https://github.com/apache/pulsar/pull/7994">7994</a></li>
<li>[Broker] Exclude vertx from bookkeeper-http package <a href="https://github.com/apache/pulsar/pull/7997">7997</a></li>
<li>[Broker] Check null point before setting auto read <a href="https://github.com/apache/pulsar/pull/7999">7999</a></li>
<li>[Broker] Fix IndexOutOfBoundsException in the KeyShared subscription when dispatching messages to consumers <a href="https://github.com/apache/pulsar/pull/8024">8024</a></li>
<li>[Broker] Upgrade jetty-util version to 9.4.31 <a href="https://github.com/apache/pulsar/pull/8035">8035</a></li>
<li>[Broker] Add replicated check to checkInactiveSubscriptions <a href="https://github.com/apache/pulsar/pull/8066">8066</a></li>
<li>[Broker] Add get-last-message-id admin for v1 api <a href="https://github.com/apache/pulsar/pull/8081">8081</a></li>
<li>[Broker] Fix client lookup hangs when broker restarts <a href="https://github.com/apache/pulsar/pull/8101">8101</a></li>
<li>[Broker] Should not cache the owner that does not belong to current server <a href="https://github.com/apache/pulsar/pull/8111">8111</a></li>
<li>[Broker] Support to specify multi ipv6 hosts in brokerServiceUrl <a href="https://github.com/apache/pulsar/pull/8120">8120</a></li>
<li>[Broker] Intercept messages to consumers and add intercept exception <a href="https://github.com/apache/pulsar/pull/8129">8129</a></li>
<li>[Broker] Add ChannelFutures utility class to pulsar-common <a href="https://github.com/apache/pulsar/pull/8137">8137</a></li>
<li>[Broker] Support Disable Replicated Subscriptions <a href="https://github.com/apache/pulsar/pull/8144">8144</a></li>
<li>[Broker] Fix error code returned to client when service unit is not ready <a href="https://github.com/apache/pulsar/pull/8147">8147</a></li>
<li>[Broker] Skip intercepting multipart requests <a href="https://github.com/apache/pulsar/pull/8156">8156</a></li>
<li>[Broker] Enable intercept filters only when interceptors are configured <a href="https://github.com/apache/pulsar/pull/8157">8157</a></li>
<li>[Broker] Clean inactive non-persistent subscriptions <a href="https://github.com/apache/pulsar/pull/8166">8166</a></li>
<li>[Broker] Add a new state for namespace-level TTL <a href="https://github.com/apache/pulsar/pull/8178">8178</a></li>
<li>[Broker] Fix peek messages failed with subscriptionName not exist <a href="https://github.com/apache/pulsar/pull/8182">8182</a></li>
<li>[Broker] Fix pulsar service close exception <a href="https://github.com/apache/pulsar/pull/8197">8197</a></li>
<li>[Broker] Use ThreadPoolExecutor instead of EventLoop <a href="https://github.com/apache/pulsar/pull/8208">8208</a></li>
<li>[Broker] Close ZK connections at end of metadata setup <a href="https://github.com/apache/pulsar/pull/8228">8228</a></li>
<li>[Broker] Delete associated ledgers before deleting cluster metadata <a href="https://github.com/apache/pulsar/pull/8244">8244</a></li>
<li>[Broker] Fix stuck lookup operations when the broker is starting up <a href="https://github.com/apache/pulsar/pull/8273">8273</a></li>
<li>[Broker] Fix Broker enters an infinite loop in ManagedLedgerImpl.asyncReadEntries <a href="https://github.com/apache/pulsar/pull/8284">8284</a></li>
<li>[Broker] Fix message TTL on Key_Shared subscription and Fix ordering issue when replay messages <a href="https://github.com/apache/pulsar/pull/8292">8292</a></li>
<li>[Broker] Fix race condition in updating readPosition in ManagedCursorImpl <a href="https://github.com/apache/pulsar/pull/8299">8299</a></li>
<li>[Broker] Refresh ZooKeeper-data cache in background to avoid deadlock and blocking IO on ZK thread <a href="https://github.com/apache/pulsar/pull/8304">8304</a></li>
<li>[Broker] Upgrade hdfs2 version to 2.8.5 <a href="https://github.com/apache/pulsar/pull/8319">8319</a></li>
<li>[Broker] Upgrade solr version to 8.6.3 <a href="https://github.com/apache/pulsar/pull/8328">8328</a></li>
<li>[Broker] Fix deadlock that occurred during topic ownership check <a href="https://github.com/apache/pulsar/pull/8406">8406</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="proxy-3"></a><a href="#proxy-3" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Proxy</h4>
<ul>
<li>[Proxy] Add advertisedAddress config field to ProxyConfiguration <a href="https://github.com/apache/pulsar/pull/7542">7542</a></li>
<li>[Proxy] Fix deadlock in pulsar proxy <a href="https://github.com/apache/pulsar/pull/7690">7690</a></li>
<li>[Proxy] Handle NPE while updating proxy stats <a href="https://github.com/apache/pulsar/pull/7766">7766</a></li>
<li>[Proxy] Fix the null exception when starting the proxy service <a href="https://github.com/apache/pulsar/pull/8019">8019</a></li>
<li>[Proxy] Add proxy plugin interface to support user defined additional servlet <a href="https://github.com/apache/pulsar/pull/8067">8067</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-sql-2"></a><a href="#pulsar-sql-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar SQL</h4>
<ul>
<li>[Pulsar SQL] Upgrade Presto version to 332 <a href="https://github.com/apache/pulsar/pull/7194">7194</a></li>
<li>[Pulsar SQL] Replace com.ning.asynchttpclient with org.asynchttpclient <a href="https://github.com/apache/pulsar/pull/8099">8099</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="java-client-2"></a><a href="#java-client-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Java Client</h4>
<ul>
<li>[Java Client] Support input-stream for trustStore cert <a href="https://github.com/apache/pulsar/pull/7442">7442</a></li>
<li>[Java Client] Avoid subscribing the same topic again <a href="https://github.com/apache/pulsar/pull/7823">7823</a></li>
<li>[java Client] Add autoPartitionsUpdateInterval for producer and consumer <a href="https://github.com/apache/pulsar/pull/7840">7840</a></li>
<li>[Java Client] Avoid resolving address for sni-host + thread-safe connection creation <a href="https://github.com/apache/pulsar/pull/8062">8062</a></li>
<li>[Java Client] Websocket interface decode URL encoding <a href="https://github.com/apache/pulsar/pull/8072">8072</a></li>
<li>[Java Client] Always use SNI for TLS enabled Pulsar Java broker client <a href="https://github.com/apache/pulsar/pull/8117">8117</a></li>
<li>[Java Client] Improve timeout handling in ClientCnx to cover all remaining request types (GetLastMessageId, GetTopics, GetSchema, GetOrCreateSchema) <a href="https://github.com/apache/pulsar/pull/8149">8149</a></li>
<li>[Java Client] Fix ConsumerImpl memory leaks <a href="https://github.com/apache/pulsar/pull/8160">8160</a></li>
<li>[Java Client] Fix issue where paused consumer receives new message when reconnecting <a href="https://github.com/apache/pulsar/pull/8165">8165</a></li>
<li>[Java Client] Improve refactored client connection code <a href="https://github.com/apache/pulsar/pull/8177">8177</a></li>
<li>[Java Client] Add log level configuration in pulsar-client <a href="https://github.com/apache/pulsar/pull/8195">8195</a></li>
<li>[Java Client] Remove unnecessary locks <a href="https://github.com/apache/pulsar/pull/8207">8207</a></li>
<li>[Java Client] Fix AutoUpdatePartitionsInterval setting problem <a href="https://github.com/apache/pulsar/pull/8227">8227</a></li>
<li>[Java Client] Add read position when joining in the consumer stats <a href="https://github.com/apache/pulsar/pull/8274">8274</a></li>
<li>[Java Client] Support reset cursor to a batch index of the batching message <a href="https://github.com/apache/pulsar/pull/8285">8285</a></li>
<li>[Java Client] Support exclude the message when reset cursor by message ID <a href="https://github.com/apache/pulsar/pull/8306">8306</a></li>
<li>[Java Client] Increasing timeout for pulsar client io threads to shutdown <a href="https://github.com/apache/pulsar/pull/8316">8316</a></li>
<li>[Java Client] Support cancelling message & batch futures returned from Reader & Consumer <a href="https://github.com/apache/pulsar/pull/8326">8326</a></li>
<li>[Java Client] Disable batch receive timer for Readers <a href="https://github.com/apache/pulsar/pull/8381">8381</a></li>
<li>[Java Client] Fix pause does not work for new created consumer <a href="https://github.com/apache/pulsar/pull/8387">8387</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="cpp-client"></a><a href="#cpp-client" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>CPP Client</h4>
<ul>
<li>[CPP Client] Wait for all seek operations completed <a href="https://github.com/apache/pulsar/pull/7216">7216</a></li>
<li>[CPP Client] Ensure parallel invocations of MultiTopicsConsumerImpl::subscribeAsync with the same topic name do not produce an error. <a href="https://github.com/apache/pulsar/pull/7691">7691</a></li>
<li>[CPP Client] Throw std::exception types <a href="https://github.com/apache/pulsar/pull/7798">7798</a></li>
<li>[CPP Client] Make clear() thread-safe <a href="https://github.com/apache/pulsar/pull/7862">7862</a></li>
<li>[CPP Client] Support key based batching <a href="https://github.com/apache/pulsar/pull/7996">7996</a></li>
<li>[CPP Client] The token endpoint should get from the well-known configuration <a href="https://github.com/apache/pulsar/pull/8006">8006</a></li>
<li>[CPP Client] Add Snappy library to Docker images for building C++ packages <a href="https://github.com/apache/pulsar/pull/8086">8086</a></li>
<li>[CPP Client] Add epoch for C++ client HandleBase to handle create producer timeout <a href="https://github.com/apache/pulsar/pull/8191">8191</a></li>
<li>[CPP Client] Fix some pending requests may never complete when broker's down <a href="https://github.com/apache/pulsar/pull/8232">8232</a></li>
<li>[CPP Client] Client is allocating buffer bigger than needed <a href="https://github.com/apache/pulsar/pull/8283">8283</a></li>
<li>[CPP Client] Client back-pressure is done on batches rather than number of messages <a href="https://github.com/apache/pulsar/pull/8331">8331</a></li>
<li>[CPP Client] Fix message id error when subscribing a single partition <a href="https://github.com/apache/pulsar/pull/8341">8341</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="python-client-1"></a><a href="#python-client-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python Client</h4>
<ul>
<li>[Python Client] Add python schema field default value <a href="https://github.com/apache/pulsar/pull/8122">8122</a></li>
<li>[Python Client] Expose schema version (of writerSchema) in Message <a href="https://github.com/apache/pulsar/pull/8173">8173</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-functions"></a><a href="#pulsar-functions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Functions</h4>
<ul>
<li>[Pulsar Functions] During Function update, cleanup should only happen for temp files that were generated <a href="https://github.com/apache/pulsar/pull/7201">7201</a></li>
<li>[Pulsar Functions] Have metadata tailer use its own thread for processing <a href="https://github.com/apache/pulsar/pull/7211">7211</a></li>
<li>[Pulsar Functions] Allow kubernetes runtime to customize function instance class path <a href="https://github.com/apache/pulsar/pull/7844">7844</a></li>
<li>[Pulsar Functions] SinkRecord adds an overridden method <a href="https://github.com/apache/pulsar/pull/8038">8038</a></li>
<li>[Pulsar Functions] Set dryrun of KubernetesRuntime is null <a href="https://github.com/apache/pulsar/pull/8064">8064</a></li>
<li>[Pulsar Functions] Allow disabling forwarding source message properties <a href="https://github.com/apache/pulsar/pull/8158">8158</a></li>
<li>[Pulsar Functions] Missed dryRun on maintenance of secrets <a href="https://github.com/apache/pulsar/pull/8286">8286</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-perf-2"></a><a href="#pulsar-perf-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Perf</h4>
<ul>
<li>[Pulsar Perf] Support setting message key <a href="https://github.com/apache/pulsar/pull/7989">7989</a></li>
<li>[Pulsar Perf] Make pulsar-perf ioThread number configurable <a href="https://github.com/apache/pulsar/pull/8090">8090</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-admin-2"></a><a href="#pulsar-admin-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Admin</h4>
<ul>
<li>[Pulsar Admin] Support initial namespace of the cluster without startup the broker <a href="https://github.com/apache/pulsar/pull/7434">7434</a></li>
<li>[Pulsar Admin] Fix some params on consumer broken by #4400 (regex, initialSouscriptionPosition) <a href="https://github.com/apache/pulsar/pull/7795">7795</a></li>
<li>[Pulsar Admin] Return more informative error message when trying to create subscription on non-persistent through Rest API or pulsar-admin CLI <a href="https://github.com/apache/pulsar/pull/7831">7831</a></li>
<li>[Pulsar Admin] Add cli command to get last message Id <a href="https://github.com/apache/pulsar/pull/8082">8082</a></li>
<li>[Pulsar Admin] Support delete all data associated with a cluster <a href="https://github.com/apache/pulsar/pull/8133">8133</a></li>
<li>[Pulsar Admin] Support delete schema ledgers when delete topics <a href="https://github.com/apache/pulsar/pull/8167">8167</a></li>
<li>[Pulsar Admin] Add command to delete a cluster's metadata from ZK <a href="https://github.com/apache/pulsar/pull/8169">8169</a></li>
<li>[Pulsar Admin] Support reset cursor to a batch index for Pulsar Admin <a href="https://github.com/apache/pulsar/pull/8329">8329</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="tiered-storage-4"></a><a href="#tiered-storage-4" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Tiered Storage</h4>
<ul>
<li>[Tiered Storage] Refactored JCloud Tiered Storage <a href="https://github.com/apache/pulsar/pull/6335">6335</a></li>
<li>[Tiered Storage] Remove duplicate updates <a href="https://github.com/apache/pulsar/pull/8198">8198</a></li>
<li>[Tiered Storage] Make the field name in <code>OffloadPolicies</code> match with config file <a href="https://github.com/apache/pulsar/pull/8310">8310</a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" id="261-mdash-2020-08-21-a-id261a"></a><a href="#261-mdash-2020-08-21-a-id261a" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2.6.1 — 2020-08-21 <a id=“2.6.1”></a></h3>
<p>The following lists fixes and enhancements in 2.6.1 release.</p>
<h4><a class="anchor" aria-hidden="true" id="broker-6"></a><a href="#broker-6" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Broker</h4>
<ul>
<li>[Broker] Limit batch size to the minimum of the <code>maxNumberOfMessages</code> and <code>maxSizeOfMessages</code> <a href="https://github.com/apache/pulsar/pull/6865">#6865</a></li>
<li>[Broker] Fix hash range conflict issue in Key_Shared with sticky hash range <a href="https://github.com/apache/pulsar/pull/7231">#7231</a></li>
<li>[Broker] Fix the issue that get lookup permission error <a href="https://github.com/apache/pulsar/pull/7234">#7234</a></li>
<li>[Broker] Update Jetty to version 9.4.29 <a href="https://github.com/apache/pulsar/pull/7235">#7235</a></li>
<li>[Broker] Fix readers backlog stats after data is skipped <a href="https://github.com/apache/pulsar/pull/7236">#7236</a></li>
<li>[Broker] Fix the regression in <code>isSupperUser</code> <a href="https://github.com/apache/pulsar/pull/7241">#7241</a></li>
<li>[Broker] Avoid introducing null read position for the managed cursor <a href="https://github.com/apache/pulsar/pull/7264">#7264</a></li>
<li>[Broker] Fix permission operation check on setRetention admin operation <a href="https://github.com/apache/pulsar/pull/7281">#7281</a></li>
<li>[Broker] Fix error in creation of non-durable cursor <a href="https://github.com/apache/pulsar/pull/7355">#7355</a></li>
<li>[Broker] Fix bug related to managedLedger properties <a href="https://github.com/apache/pulsar/pull/7357">#7357</a></li>
<li>[Broker] Add tenant name check in list namespaces function <a href="https://github.com/apache/pulsar/pull/7369">#7369</a></li>
<li>[Broker] Avoid the NPE occurs in method <code>ManagedLedgerImpl.isOffloadedNeedsDelete</code> <a href="https://github.com/apache/pulsar/pull/7389">#7389</a></li>
<li>[Broker] Fix producer stuck issue due to NPE thrown when creating a new ledger <a href="https://github.com/apache/pulsar/pull/7401">#7401</a></li>
<li>[Broker] Avoid NPEs at ledger creation when DNS failures happen <a href="https://github.com/apache/pulsar/pull/7403">#7403</a></li>
<li>[Broker] Support decompression payload if needed in KeyShared subscription <a href="https://github.com/apache/pulsar/pull/7416">#7416</a></li>
<li>[Broker] Fix update-cluster cli updates proxy-url <a href="https://github.com/apache/pulsar/pull/7422">#7422</a></li>
<li>[Broker] Handle <code>NotAllowed Exception</code> at the client side <a href="https://github.com/apache/pulsar/pull/7430">#7430</a></li>
<li>[Broker] Shade jclouds to avoid Gson conflict <a href="https://github.com/apache/pulsar/pull/7435">#7435</a></li>
<li>[Broker] Consumer is registered on dispatcher even if hash range conflicts on Key_Shared subscription <a href="https://github.com/apache/pulsar/pull/7444">#7444</a></li>
<li>[Broker] Add pulsar-client-messagecrypto-bc into pulsar-client dependency to avoid method not found <a href="https://github.com/apache/pulsar/pull/7447">#7447</a></li>
<li>[Broker] Fix update partitions error for non-persistent topic <a href="https://github.com/apache/pulsar/pull/7459">#7459</a></li>
<li>[Broker] Use CGroup CPU usage when present <a href="https://github.com/apache/pulsar/pull/7475">#7475</a></li>
<li>[Broker] Fix ArrayIndexOutOfBoundsException when dispatch messages to consumer <a href="https://github.com/apache/pulsar/pull/7483">#7483</a></li>
<li>[Broker] Get last entry is trying to read entry -1 <a href="https://github.com/apache/pulsar/pull/7495">#7495</a></li>
<li>[Broker] Fix timeout opening managed ledger operation <a href="https://github.com/apache/pulsar/pull/7506">#7506</a></li>
<li>[Broker] Fixes the exception that occurred when the geo-replication policy is updated <a href="https://github.com/apache/pulsar/pull/7514">#7514</a></li>
<li>[Broker] Update Jackson to version 2.11.1 and ensure all dependencies are pinned <a href="https://github.com/apache/pulsar/pull/7519">#7519</a></li>
<li>[Broker] Fix protobuf generation on handling repeated long number <a href="https://github.com/apache/pulsar/pull/7540">#7540</a></li>
<li>[Broker] Add more logging to the auth operations on failure <a href="https://github.com/apache/pulsar/pull/7567">#7567</a></li>
<li>[Broker] Use Consume/Produce/Lookup interfaces for specific operations in allowTopicOperation <a href="https://github.com/apache/pulsar/pull/7587">#7587</a></li>
<li>[Broker] Support configuring <code>DeleteInactiveTopic</code> setting in namespace policy <a href="https://github.com/apache/pulsar/pull/7598">#7598</a></li>
<li>[Broker] Fix NPE when using advertisedListeners <a href="https://github.com/apache/pulsar/pull/7620">#7620</a></li>
<li>[Broker] Fix the issue that deduplication cursor can not be deleted after disabling message deduplication <a href="https://github.com/apache/pulsar/pull/7656">#7656</a></li>
<li>[Broker] Add missing AuthenticationDataSource to canConsumeAsync method call <a href="https://github.com/apache/pulsar/pull/7694">#7694</a></li>
<li>[Broker] Close the previous reader of the health check topic <a href="https://github.com/apache/pulsar/pull/7724">#7724</a></li>
<li>[Broker] Change some WebApplicationException log level to debug <a href="https://github.com/apache/pulsar/pull/7725">#7725</a></li>
<li>[Broker] Replay delayed messages in order <a href="https://github.com/apache/pulsar/pull/7731">#7731</a></li>
<li>[Broker] Fix the wrong returned URL for lookup when specify advertised listener <a href="https://github.com/apache/pulsar/pull/7737">#7737</a></li>
<li>[Broker] Fix topic getting recreated immediately after deletion <a href="https://github.com/apache/pulsar/pull/7524">#7524</a></li>
<li>[Broker] Set default root log level to debug <a href="https://github.com/apache/pulsar/pull/7789">#7789</a></li>
<li>[Broker] Fix producer stucks on creating ledger timeout <a href="https://github.com/apache/pulsar/pull/7319">#7319</a></li>
<li>[Broker] AllowTopicOperationAsync should check the original role is super user <a href="https://github.com/apache/pulsar/pull/7788">#7788</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="zookeeper"></a><a href="#zookeeper" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Zookeeper</h4>
<ul>
<li>[Zookeeper] Use hostname for bookie rackawareness mapping <a href="https://github.com/apache/pulsar/pull/7361">#7361</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-sql-3"></a><a href="#pulsar-sql-3" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar SQL</h4>
<ul>
<li>[Pulsar SQL] Make Pulsar SQL get correct offload configurations <a href="https://github.com/apache/pulsar/pull/7701">#7701</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-schema"></a><a href="#pulsar-schema" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Schema</h4>
<ul>
<li>[Schema] Fix the error that occurs when getting schemaName by partitioned topic name <a href="https://github.com/apache/pulsar/pull/7708">#7708</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="java-client-3"></a><a href="#java-client-3" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Java Client</h4>
<ul>
<li>[Java Client] Fix the issue that the HTTP header used in Athenz authentication can not be renamed <a href="https://github.com/apache/pulsar/pull/7311">#7311</a></li>
<li>[Java Client] Add more detail information of retry errors <a href="https://github.com/apache/pulsar/pull/7341">#7341</a></li>
<li>[Java Client] Check NPE when a tombstone (null value) is produced. <a href="https://github.com/apache/pulsar/pull/7408">#7408</a></li>
<li>[Java Client] Fix batch ackset recycled multiple times. <a href="https://github.com/apache/pulsar/pull/7409">#7409</a></li>
<li>[Java Client] Support Oauth2 authentication <a href="https://github.com/apache/pulsar/pull/7420">#7420</a></li>
<li>[Java Client] Ensure the create subscription can be completed when the operation timeout happens <a href="https://github.com/apache/pulsar/pull/7522">#7522</a></li>
<li>[Java Client] Fix race condition on the close consumer while reconnecting to the broker. <a href="https://github.com/apache/pulsar/pull/7589">#7589</a></li>
<li>[Java Client] Fix validation never return false <a href="https://github.com/apache/pulsar/pull/7593">#7593</a></li>
<li>[Java Client] Make OAuth2 auth plugin to use AsyncHttpClient <a href="https://github.com/apache/pulsar/pull/7615">#7615</a></li>
<li>[Java Client] Support to set listener name for client CLI <a href="https://github.com/apache/pulsar/pull/7621">#7621</a></li>
<li>[Java Client] Fix batch index filter issue in Consumer <a href="https://github.com/apache/pulsar/pull/7654">#7654</a></li>
<li>[Java Client] Fix the backward compatibility issues with batch index acknowledgment. <a href="https://github.com/apache/pulsar/pull/7655">#7655</a></li>
<li>[Java Client] Fix the issue that batchReceiveAsync is not completed exceptionally when closing consumer <a href="https://github.com/apache/pulsar/pull/7661">#7661</a></li>
<li>[Java Client] Fix producer stats recorder time unit error <a href="https://github.com/apache/pulsar/pull/7670">#7670</a></li>
<li>[Java Client] Fix shutdown AsyncHttpConnector.delayer <a href="https://github.com/apache/pulsar/pull/7687">#7687</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="cpp-client-1"></a><a href="#cpp-client-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>CPP Client</h4>
<ul>
<li>[CPP Client] Fix partition index error in closing callback <a href="https://github.com/apache/pulsar/pull/7282">#7282</a></li>
<li>[CPP Client] Reduce log level for ack-grouping tracker <a href="https://github.com/apache/pulsar/pull/7373">#7373</a></li>
<li>[CPP Client] Support Oauth2 authentication <a href="https://github.com/apache/pulsar/pull/7467">#7467</a></li>
<li>[CPP Client] Fix segment crashes that caused by race condition of timer in cpp client <a href="https://github.com/apache/pulsar/pull/7572">#7572</a></li>
<li>[CPP Client] Fix multitopic consumer segfault on connect error <a href="https://github.com/apache/pulsar/pull/7588">#7588</a></li>
<li>[CPP Client] Add support to read credentials from file <a href="https://github.com/apache/pulsar/pull/7606">#7606</a></li>
<li>[CPP Client] Fix the issuer_url parsing failure in oauth2 <a href="https://github.com/apache/pulsar/pull/7791">#7791</a></li>
<li>[CPP Client] Fix reference leak when reader create <a href="https://github.com/apache/pulsar/pull/7793">#7793</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-functions-1"></a><a href="#pulsar-functions-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Functions</h4>
<ul>
<li>[Pulsar Function] Use fully qualified hostname as default to advertise worker <a href="https://github.com/apache/pulsar/pull/7360">#7360</a></li>
<li>[Pulsar Function] Fix the function BC issue introduced in release 2.6.0 <a href="https://github.com/apache/pulsar/pull/7528">#7528</a></li>
<li>[Pulsar Function] Improve security setting of Pulsar Functions <a href="https://github.com/apache/pulsar/pull/7578">#7578</a></li>
<li>[Pulsar Function] Differentiate authorization between source/sink/function operations <a href="https://github.com/apache/pulsar/pull/7466">#7466</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="go-function"></a><a href="#go-function" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Go Function</h4>
<ul>
<li>[Go Function] Fix Go instance config port <a href="https://github.com/apache/pulsar/pull/7322">#7322</a></li>
<li>[Go Function] Remove timestamp from metrics <a href="https://github.com/apache/pulsar/pull/7539">#7539</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="pulsar-perf-3"></a><a href="#pulsar-perf-3" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Perf</h4>
<ul>
<li>[Pulsar Perf] Supports <code>tlsAllowInsecureConnection</code> in pulsar-perf produce/consume/read <a href="https://github.com/apache/pulsar/pull/7300">#7300</a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" id="260-mdash-2020-06-17-a-id260a"></a><a href="#260-mdash-2020-06-17-a-id260a" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2.6.0 — 2020-06-17 <a id=“2.6.0”></a></h3>
<h4><a class="anchor" aria-hidden="true" id="features"></a><a href="#features" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Features</h4>
<h5><a class="anchor" aria-hidden="true" id="pips"></a><a href="#pips" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>PIPs</h5>
<ul>
<li>[PIP-37] Large message size support <a href="https://github.com/apache/pulsar/pull/4400">#4400</a></li>
<li>[PIP-39] Namespace change events (System Topic) <a href="https://github.com/apache/pulsar/pull/4955">#4955</a></li>
<li>[PIP-45] Switch ManagedLedger to use MetadataStore interface <a href="https://github.com/apache/pulsar/pull/5358">#5358</a></li>
<li>[PIP 53] Contribute <a href="https://github.com/apache/pulsar-dotpulsar">DotPulsar</a> to Apache Pulsar</li>
<li>[PIP-54] Support acknowledgment at batch index level <a href="https://github.com/apache/pulsar/pull/6052">#6052</a></li>
<li>[PIP-58] Support consumers set custom message retry delay <a href="https://github.com/apache/pulsar/pull/6449">#6449</a></li>
<li>[PIP-60] Support SNI routing to support various proxy-server <a href="https://github.com/apache/pulsar/pull/6566">#6566</a></li>
<li>[PIP-61] Advertise multiple addresses <a href="https://github.com/apache/pulsar/pull/6903">#6903</a></li>
<li>[PIP-65] Adapting Pulsar IO Sources to support Batch Sources <a href="https://github.com/apache/pulsar/pull/7090">#7090</a></li>
</ul>
<h5><a class="anchor" aria-hidden="true" id="broker-7"></a><a href="#broker-7" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Broker</h5>
<ul>
<li>[Broker] Add threshold shedder strategy and metrics exporter for loadbalancer <a href="https://github.com/apache/pulsar/pull/6772">#6772</a></li>
<li>[Broker] Add consistent hashing in the Key_Shared distribution <a href="https://github.com/apache/pulsar/pull/6791">#6791</a></li>
<li>[Broker] Fixed ordering issue in KeyShared subscription dispatcher when adding consumer <a href="https://github.com/apache/pulsar/pull/7106">#7106</a> <a href="https://github.com/apache/pulsar/pull/7108">#7108</a> <a href="https://github.com/apache/pulsar/pull/7188">#7188</a></li>
<li>[Broker] Add support for key hash range reading in Key_Shared subscription <a href="https://github.com/apache/pulsar/pull/5928">#5928</a></li>
<li>[Broker] Allow for schema reader and writer registration on SchemaDefinition <a href="https://github.com/apache/pulsar/pull/6905">#6905</a></li>
<li>[Broker] Support use null key and null value in KeyValue Schema <a href="https://github.com/apache/pulsar/pull/7139">#7139</a></li>
<li>[Broker] Support multiple pulsar clusters to use the same bk cluster <a href="https://github.com/apache/pulsar/pull/5985">#5985</a></li>
<li>[Broker] Add a flag to skip broker shutdown on transient OOM <a href="https://github.com/apache/pulsar/pull/6634">#6634</a></li>
<li>[Broker] Make zookeeper cache expiry time configurable <a href="https://github.com/apache/pulsar/pull/6668">#6668</a></li>
<li>[Broker] Check replicator periodically to avoid issue due to zookeeper missing watch <a href="https://github.com/apache/pulsar/pull/6674">#6674</a></li>
<li>[Broker] Expose managedLedgerCache, managedLedger, loadBalance metrics to Prometheus <a href="https://github.com/apache/pulsar/pull/6705">#6705</a></li>
<li>[Broker] Optimize consumer fetch messages in case of batch message <a href="https://github.com/apache/pulsar/pull/6719">#6719</a></li>
<li>[Broker] Add configuration to limit max partitions for a partitioned topic <a href="https://github.com/apache/pulsar/pull/6794">#6794</a></li>
<li>[Broker] Change default FlushEntryLogBytes to 256MB to improve bookie io throughput <a href="https://github.com/apache/pulsar/pull/6915">#6915</a></li>
<li>[Broker] Introduce precise topic publish rate limiting <a href="https://github.com/apache/pulsar/pull/7078">#7078</a></li>
<li>[Broker] Expose new entries check delay in the broker.conf <a href="https://github.com/apache/pulsar/pull/7154">7154</a></li>
<li>[Broker] Add broker interceptor for intercepting all Pulsar command and REST API requests <a href="https://github.com/apache/pulsar/pull/7143">#7143</a></li>
<li>[Broker] Only close active consumer for Failover subscription when seek() <a href="https://github.com/apache/pulsar/pull/7141">#7141</a></li>
<li>[Broker] Allow to delete topics that are failing to recover <a href="https://github.com/apache/pulsar/pull/7131">#7131</a></li>
<li>[Broker] Support set netty max frame size in bookkeeper.conf <a href="https://github.com/apache/pulsar/pull/7116">#7116</a></li>
<li>[Broker] Trigger rollover when meeting maxLedgerRolloverTimeMinutes <a href="https://github.com/apache/pulsar/pull/7111">#7111</a></li>
<li>[Broker] Cap the dispatcher batch size in bytes to fixed max <a href="https://github.com/apache/pulsar/pull/7097">#7097</a></li>
<li>[Broker] Support specify managedLedgerMaxSizePerLedgerMbytes in broker.conf <a href="https://github.com/apache/pulsar/pull/7085">#7085</a></li>
<li>[Broker] Allow to grant permissions when the authorization is disabled <a href="https://github.com/apache/pulsar/pull/7074">#7074</a></li>
<li>[Broker] Add messages and bytes counter stats to broker-stats/topics <a href="https://github.com/apache/pulsar/pull/7045">#7045</a></li>
<li>[Broker] Expose new entries check delay in the broker.conf <a href="https://github.com/apache/pulsar/pull/7154">#7154</a></li>
</ul>
<h5><a class="anchor" aria-hidden="true" id="function-1"></a><a href="#function-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Function</h5>
<ul>
<li>[Function] Built-in functions support <a href="https://github.com/apache/pulsar/pull/6895">#6895</a></li>
<li>[Function] Add Go Function heartbeat (and gRPC service) for production usage <a href="https://github.com/apache/pulsar/pull/6031">#6031</a></li>
<li>[Function] Add custom property option to functions <a href="https://github.com/apache/pulsar/pull/6348">#6348</a></li>
<li>[Function] Separate TLS configuration of function worker and broker <a href="https://github.com/apache/pulsar/pull/6602">#6602</a></li>
<li>[Function] Added ability to build consumers in functions and sources <a href="https://github.com/apache/pulsar/pull/6954">#6954</a></li>
<li>[Function] Support DLQ on sources and sinks <a href="https://github.com/apache/pulsar/pull/7032">#7032</a></li>
</ul>
<h5><a class="anchor" aria-hidden="true" id="pulsar-sql-4"></a><a href="#pulsar-sql-4" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar SQL</h5>
<ul>
<li>[SQL] KeyValue schema support <a href="https://github.com/apache/pulsar/pull/6325">#6325</a></li>
<li>[SQL] Multiple version schema support <a href="https://github.com/apache/pulsar/pull/4847">#4847</a></li>
<li>[SQL] Fix presto SQL does not start metrics service before queue execute <a href="https://github.com/apache/pulsar/pull/7030">#7030</a></li>
</ul>
<h5><a class="anchor" aria-hidden="true" id="pulsar-io-2"></a><a href="#pulsar-io-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar IO</h5>
<ul>
<li>Added ability for sources to publish messages on their own <a href="https://github.com/apache/pulsar/pull/6941">#6941</a></li>
<li>[RabbitMQ] Allow routing key per message to RabbitMQ sink connector <a href="https://github.com/apache/pulsar/pull/5890">#5890</a></li>
<li>[RabbitMQ] Add passive config options <a href="https://github.com/apache/pulsar/pull/6679">#6679</a></li>
<li>[debezium] Upgrade from v0.10.0-Final to v1.0.0-Final <a href="https://github.com/apache/pulsar/pull/5972">#5972</a></li>
<li>[debezium] Support avro schema for debezium connector <a href="https://github.com/apache/pulsar/pull/6034">#6034</a></li>
<li>[influxdb2] Add support for influxdb2 in pulsar-influxdb-sink <a href="https://github.com/apache/pulsar/pull/6601">#6601</a></li>
<li>[jdbc] Add jdbc sinks: postgres, mariadb, clickhouse <a href="https://github.com/apache/pulsar/pull/6835">#6835</a></li>
</ul>
<h5><a class="anchor" aria-hidden="true" id="pulsar-proxy"></a><a href="#pulsar-proxy" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Proxy</h5>
<ul>
<li>[Proxy] Add REST API to get connection and topic stats <a href="https://github.com/apache/pulsar/pull/6473">#6473</a></li>
<li>[Proxy] Add advertised address option <a href="https://github.com/apache/pulsar/pull/6942">#6942</a></li>
<li>[Proxy] Add proxyLogLevel into config <a href="https://github.com/apache/pulsar/pull/6948">#6948</a></li>
</ul>
<h5><a class="anchor" aria-hidden="true" id="clients-1"></a><a href="#clients-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Clients</h5>
<ul>
<li>[Java Client] Use pure-java Air-Compressor instead of JNI based libraries <a href="https://github.com/apache/pulsar/pull/5390">#5390</a></li>
<li>[Java Client] Change the time unit of patternAutoDiscoveryPeriod to seconds <a href="https://github.com/apache/pulsar/pull/5950">#5950</a></li>
<li>[Java Client] Support waiting for inflight messages while closing producer <a href="https://github.com/apache/pulsar/pull/6648">#6648</a></li>
<li>[Java Client] Add support to load TLS certs/key dynamically from input stream <a href="https://github.com/apache/pulsar/pull/6760">#6760</a></li>
<li>[Java Client] Support return sequence ID when throwing Exception for async send message <a href="https://github.com/apache/pulsar/pull/6825">#6825</a></li>
<li>[Java Client] Change the default value of maxLookupRedirects of Java client to 20 <a href="https://github.com/apache/pulsar/pull/7126">#7126</a></li>
<li>[Java Client] Limit the number of times lookup requests are redirected <a href="https://github.com/apache/pulsar/pull/7096">#7096</a></li>
<li>[CPP Client] Support seek by time on partitioned topic <a href="https://github.com/apache/pulsar/pull/7198">#7198</a></li>
<li>[CPP Client] Refresh authentication credentials <a href="https://github.com/apache/pulsar/pull/7070">#7070</a></li>
<li>[CPP Client] Fix Result can't be serialized to string inside the library <a href="https://github.com/apache/pulsar/pull/7034">#7034</a></li>
<li>[CPP Client] Support zstd and Snappy compression to C API <a href="https://github.com/apache/pulsar/pull/7014">#7014</a></li>
<li>[Python Client] Add deliver_at and deliver_after for the producer <a href="https://github.com/apache/pulsar/pull/6737">#6737</a></li>
</ul>
<h5><a class="anchor" aria-hidden="true" id="admin-1"></a><a href="#admin-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Admin</h5>
<ul>
<li>[Admin] Support delete inactive topic when subscriptions caught up <a href="https://github.com/apache/pulsar/pull/6077">#6077</a></li>
<li>[Admin] Add configuration to disable auto-creation of subscriptions <a href="https://github.com/apache/pulsar/pull/6456">#6456</a></li>
<li>[Admin] Add maxUnackedMessagesPerSubscription and maxUnackedMessagesPerConsumer on namespaces policies <a href="https://github.com/apache/pulsar/pull/5936">#5936</a></li>
<li>[Admin] Support get a message by message ID in pulsar-admin <a href="https://github.com/apache/pulsar/pull/6331">#6331</a></li>
<li>[Admin] Support delete subscription forcefully <a href="https://github.com/apache/pulsar/pull/6383">#6383</a></li>
<li>[Admin] Add subscribe initial position for consumer CLI <a href="https://github.com/apache/pulsar/pull/6442">#6442</a></li>
<li>[Admin] Support to get managed ledger info of a partitioned topic <a href="https://github.com/apache/pulsar/pull/6532">#6532</a></li>
<li>[Admin] Support compact all partitions of a partitioned topic <a href="https://github.com/apache/pulsar/pull/6537">#6537</a></li>
<li>[Admin] Support multi-hosts in PulsarAdmin <a href="https://github.com/apache/pulsar/pull/6547">#6547</a></li>
<li>[Admin] Support to get internal stats for a partitioned topic <a href="https://github.com/apache/pulsar/pull/6624">#6624</a></li>
<li>[Admin] Support enable or disable subscription auto-creation at namespace level <a href="https://github.com/apache/pulsar/pull/6637">#6637</a></li>
<li>[Admin] Enable to set the subscription expiration time for each namespace <a href="https://github.com/apache/pulsar/pull/6851">#6851</a></li>
</ul>
<h4><a class="anchor" aria-hidden="true" id="fixes-1"></a><a href="#fixes-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Fixes</h4>
<ul>
<li>[Broker] Fixed increasing number of partitions with attached readers <a href="https://github.com/apache/pulsar/pull/7077">#7077</a></li>
<li>[Broker] Make ZkBookieRackAffinityMapping work as expected <a href="https://github.com/apache/pulsar/pull/6917">#6917</a></li>
<li>[Broker] Fix backlog and backlog size stats keeps growing <a href="https://github.com/apache/pulsar/pull/7082">#7082</a></li>
<li>[Java Client] Fix connection leak <a href="https://github.com/apache/pulsar/pull/6524">#6524</a></li>
<li>[Java Client] Fix message id compare between MessageId and BatchMessageId <a href="https://github.com/apache/pulsar/pull/6621">#6621</a></li>
<li>[Java Client] Fix memory leak when create producer with not exsits topic <a href="https://github.com/apache/pulsar/pull/7120">#7120</a> <a href="https://github.com/apache/pulsar/pull/7124">#7124</a></li>
<li>[Java Client] Fix duplicated messages sent to dead letter topic <a href="https://github.com/apache/pulsar/pull/7021">#7021</a></li>
<li>[CPP Client] Fix deadlock of consumer for topics auto discovery <a href="https://github.com/apache/pulsar/pull/7206">#7206</a></li>
<li>[Managed Ledger] Fix NPE on opening non-durable cursors on an empty managed ledger <a href="https://github.com/apache/pulsar/pull/7133">#7133</a></li>
<li>[Websocket] Fix incorrect topic URL parse <a href="https://github.com/apache/pulsar/pull/6630">#6630</a></li>
<li>[Pulsar SQL] Fix problem with multiple zookeeper address <a href="https://github.com/apache/pulsar/pull/6947">#6947</a></li>
<li>[Docker] Do not apply env values to pulsar_env.sh and bkenv.sh implicitly <a href="https://github.com/apache/pulsar/pull/6579">6579</a></li>
</ul>
<h3><a class="anchor" aria-hidden="true" id="252-mdash-2020-05-19-a-id252a"></a><a href="#252-mdash-2020-05-19-a-id252a" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2.5.2 — 2020-05-19 <a id=“2.5.2”></a></h3>
<h4><a class="anchor" aria-hidden="true" id="fixes-and-enhancements"></a><a href="#fixes-and-enhancements" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Fixes and Enhancements</h4>
<h5><a class="anchor" aria-hidden="true" id="broker-8"></a><a href="#broker-8" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Broker</h5>
<ul>
<li>[Broker] Implement AutoTopicCreation by namespace level override <a href="https://github.com/apache/pulsar/pull/6471">#6471</a></li>
<li>[Broker] Add custom deletionLag and threshold for offload policies per namespace <a href="https://github.com/apache/pulsar/pull/6422">#6422</a></li>
<li>[Broker] Invalidate managed ledgers zookeeper cache instead of reloading on watcher triggered <a href="https://github.com/apache/pulsar/pull/6659">#6659</a></li>
<li>[Broker] Retention policy should be respected when there is no traffic <a href="https://github.com/apache/pulsar/pull/6676">#6676</a></li>
<li>[Broker] Fixed double delete on a namespace <a href="https://github.com/apache/pulsar/pull/6713">#6713</a></li>
<li>[Broker] fix get batch message from http response, only get the first message<a href="https://github.com/apache/pulsar/pull/6715">#6715</a></li>
<li>[Broker] Fix Deadlock by Consumer and Reader<a href="https://github.com/apache/pulsar/pull/6728">#6728</a></li>
<li>[Broker] avoid backpressure by skipping dispatching if consumer channel is not writable <a href="https://github.com/apache/pulsar/pull/6740">#6740</a></li>
<li>[Broker] fix when producing encrypted messages, MessageMetadata objects are not released after they are created. <a href="https://github.com/apache/pulsar/pull/6745">#6745</a></li>
<li>[Broker] Bump netty version to 4.1.48.Final <a href="https://github.com/apache/pulsar/pull/6746">#6746</a></li>
<li>[Broker] Increase timeout for loading topics <a href="https://github.com/apache/pulsar/pull/6750">#6750</a></li>
<li>[Broker] Fix wrong cursor state for cursor without consumer <a href="https://github.com/apache/pulsar/pull/6766">#6766</a></li>
<li>[Broker] change nondurable cursor to active to improve performance <a href="https://github.com/apache/pulsar/pull/6769">#6769</a></li>
<li>[Broker] register loadbalance znode should attempt to wait until session expired <a href="https://github.com/apache/pulsar/pull/6788">#6788</a></li>
<li>[Broker] Fix some empty message related problems in the compacted topic. <a href="https://github.com/apache/pulsar/pull/6795">#6795</a></li>
<li>[Broker] Avoid creating partitioned topic for partition name <a href="https://github.com/apache/pulsar/pull/6846">#6846</a></li>
<li>[Broker] Add Tls with keystore type config support <a href="https://github.com/apache/pulsar/pull/6853">#6853</a></li>
<li>[Broker] fix consumer stuck when batchReceivePolicy maxNumMessages > maxReceiverQueueSize <a href="https://github.com/apache/pulsar/pull/6862">#6862</a></li>
<li>[Broker] use originalAuthMethod on originalAuthChecker in Proxy Authentication <a href="https://github.com/apache/pulsar/pull/6870">#6870</a></li>
<li>[Broker] Close producer when the topic does not exists. <a href="https://github.com/apache/pulsar/pull/6879">#6879</a></li>
<li>[Broker] Handle all exceptions from <code>topic.addProducer</code> <a href="https://github.com/apache/pulsar/pull/6881">#6881</a></li>
<li>[Broker] fix topicPublishRateLimiter not effective after restart broker <a href="https://github.com/apache/pulsar/pull/6893">#6893</a></li>
<li>[Broker] Expose pulsar_out_bytes_total and pulsar_out_messages_total for namespace/subscription/consumer. <a href="https://github.com/apache/pulsar/pull/6918">#6918</a></li>
<li>[Broker] Policy ttlDurationDefaultInSeconds not applying <a href="https://github.com/apache/pulsar/pull/6920">#6920</a></li>
<li>[Broker] Fix pulsar admin thread number explode bug. <a href="https://github.com/apache/pulsar/pull/6940">#6940</a></li>
</ul>
<h5><a class="anchor" aria-hidden="true" id="pulsar-schema-1"></a><a href="#pulsar-schema-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Schema</h5>
<ul>
<li>[Schema] Fix long field parse in GenricJsonRecord <a href="https://github.com/apache/pulsar/pull/6622">#6622</a></li>
<li>[Schema] Fix the leak of cursor reset if message encode fails in Avro schema. <a href="https://github.com/apache/pulsar/pull/6695">#6695</a></li>
<li>[Schema] fix Get schema by version can get the deleted schema info #6754 <a href="https://github.com/apache/pulsar/pull/6754">#6754</a></li>
<li>[Schema] Fix serialization of enums with json/avro schemas in python <a href="https://github.com/apache/pulsar/pull/6808">#6808</a></li>
<li>[Schema] Pulsar SQL Support Avro Schema <code>ByteBuffer</code> Type <a href="https://github.com/apache/pulsar/pull/6925">#6925</a></li>
</ul>
<h5><a class="anchor" aria-hidden="true" id="cpp-client-2"></a><a href="#cpp-client-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>CPP Client</h5>
<ul>
<li>[CPP Client] Auto update topic partitions <a href="https://github.com/apache/pulsar/pull/6732">#6732</a></li>
<li>[CPP Client] Subscription InitialPosition is not correctly set on regex consumers. <a href="https://github.com/apache/pulsar/pull/6810">#6810</a></li>
<li>[CPP Client] Fix message id is always the default value in send callback <a href="https://github.com/apache/pulsar/pull/6812">#6812</a></li>
<li>[CPP Client] Fix message id error if messages were sent to a partitioned topic <a href="https://github.com/apache/pulsar/pull/6938">#6938</a></li>
</ul>
<h5><a class="anchor" aria-hidden="true" id="python-client-2"></a><a href="#python-client-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Python Client</h5>
<ul>
<li>[Python Client] Fix Python function protobuf missing field<a href="https://github.com/apache/pulsar/pull/6641">#6641</a></li>
</ul>
<h5><a class="anchor" aria-hidden="true" id="pulsar-functions-2"></a><a href="#pulsar-functions-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Pulsar Functions</h5>
<ul>
<li>[Functions] Support function with format: Function<I, CompletableFuture<O>><a href="https://github.com/apache/pulsar/pull/6684">#6684</a></li>
<li>[Functions] Function endpoint admin/v3/functions/{tenant}/{namespace} always returns 404 <a href="https://github.com/apache/pulsar/pull/6767">#6767</a></li>
<li>[Functions] Ensure that all dangling consumers are cleaned up during failures <a href="https://github.com/apache/pulsar/pull/6778">#6778</a></li>
<li>[Functions] Fix localrunner netty dependency issue <a href="https://github.com/apache/pulsar/pull/6779">#6779</a></li>
<li>[Functions] Fix SerDe validation of function's update <a href="https://github.com/apache/pulsar/pull/6888">#6888</a></li>
</ul>
<h5><a class="anchor" aria-hidden="true" id="tiered-storage-5"></a><a href="#tiered-storage-5" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Tiered Storage</h5>
<ul>
<li>[Tiered Storage] Extract common SerDe method in tiered storage to managed-ledger module <a href="https://github.com/apache/pulsar/pull/6533">#6533</a></li>
<li>[Tiered Storage] Make SchemaStorage accessible in Offloader <a href="https://github.com/apache/pulsar/pull/6567">#6567</a></li>