Apache Pulsar 2.7.2 release notes (apache#10550)

site2/website/release-notes.md

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 ## Apache Pulsar Release Notes
 
+### 2.7.2 &mdash; 2021-05-11 <a id=“2.7.2”></a>
+
+#### Broker
+- Fix the useless retry when the maximum number of subscriptions is reached [#9991](https://github.com/apache/pulsar/pull/9991)
+- wrong timeunit in updating lastLedgerCreationInitiationTimestamp [#10049](https://github.com/apache/pulsar/pull/10049)
+- Avoid spammy logs in case of BK problems [#10088](https://github.com/apache/pulsar/pull/10088)
+- Fix NonDurableCursorImpl initialPosition by startCursorPosition greater than lastConfirmedEntry problem. [#10095](https://github.com/apache/pulsar/pull/10095)
+- fix 8115 Some partitions get stuck after adding additional consumers to the KEY_SHARED subscriptions [#10096](https://github.com/apache/pulsar/pull/10096)
+- Add underReplicate state in the topic internal stats [#10013](https://github.com/apache/pulsar/pull/10013)
+- Continue graceful shutdown even if web service closing fails [#9835](https://github.com/apache/pulsar/pull/9835)
+- Issue 9804: Allow to enable or disable the cursor metrics [#9814](https://github.com/apache/pulsar/pull/9814)
+- Allow to configure BookKeeper all BK client features using bookkeeper_ prefix [#9232](https://github.com/apache/pulsar/pull/9232)
+- Fix NPEs and thread safety issue in PersistentReplicator [#9763](https://github.com/apache/pulsar/pull/9763)
+- Non Persistent Topics: Auto-create partitions even when the auto-creation is disabled [#9786](https://github.com/apache/pulsar/pull/9786)
+- Issue 9602: Add schema type validation [#9797](https://github.com/apache/pulsar/pull/9797)
+- Fix message not dispatch for key_shared sub type in non-persistent subscription [#9826](https://github.com/apache/pulsar/pull/9826)
+- zkBookieRackAffinityMapping bug to support for bookkeeper dnsResolver [#9894](https://github.com/apache/pulsar/pull/9894)
+- Messaging Fix delay message block [#10078](https://github.com/apache/pulsar/pull/10078)
+- Make PersistentDispatcherMultipleConsumers.readMoreEntries synchronized [#10435](https://github.com/apache/pulsar/pull/10435)
+- Fix issue in reusing EntryBatchIndexesAcks instances [#10400](https://github.com/apache/pulsar/pull/10400)
+- Fix schema not added when subscribing an empty topic without schema [#9853](https://github.com/apache/pulsar/pull/9853)
+- Support advertisedListeners for standalone [#10297](https://github.com/apache/pulsar/pull/10297)
+- Fix schema ledger deletion when deleting topic with delete schema. [#10383](https://github.com/apache/pulsar/pull/10383)
+- Fix primitive schema upload for ALWAYS_COMPATIBLE strategy. [#10386](https://github.com/apache/pulsar/pull/10386)
+- Fix schema type check issue when use always compatible strategy [#10367](https://github.com/apache/pulsar/pull/10367)
+- Fix CPU 100% when deleting namespace [#10337](https://github.com/apache/pulsar/pull/10337)
+- add return statement to exit asyncMarkDelete early on failure [#10272](https://github.com/apache/pulsar/pull/10272)
+- Adding more permits debug statements to better diagnose permit issues [#10217](https://github.com/apache/pulsar/pull/10217)
+
+#### Bookie
+- Fallback to PULSAR_GC if BOOKIE_GC is not defined [#9621](https://github.com/apache/pulsar/pull/9621)
+- Fallback to PULSAR_EXTRA_OPTS if BOOKIE_EXTRA_OPTS isn't defined [#10397](https://github.com/apache/pulsar/pull/10397)
+
+#### Dependency upgrade
+- Upgrade Bouncy Castle to 1.68 [#9199](https://github.com/apache/pulsar/pull/9199)
+- Upgrade athenz version and remove yahoo.bintray.com repository [#10471](https://github.com/apache/pulsar/pull/10471)
+- Upgrade Netty version to 4.1.60.final [#10073](https://github.com/apache/pulsar/pull/10073)
+- Upgrade commons-io to address CVE-2021-29425 [#10287](https://github.com/apache/pulsar/pull/10287)
+- Upgrade Jetty libraries to 9.4.39.v20210325 [#10177](https://github.com/apache/pulsar/pull/10177)
+
+#### Proxy
+- Issue 10221: Fix authorization error while using proxy and `Prefix` subscription authentication mode [#10226](https://github.com/apache/pulsar/pull/10226)
+
+#### Pulsar Admin
+- Add get version command for pulsar rest api, pulsar-admin, pulsar-client [#9975](https://github.com/apache/pulsar/pull/9975)
+
+#### Pulsar SQL
+- Using pulsar SQL query messages will appear NoSuchLedger… [#9910](https://github.com/apache/pulsar/pull/9910)
+
+#### Docker
+- Allow DockerImage to be built from source tarball [#9846](https://github.com/apache/pulsar/pull/9846)
+- Fix docker standalone image error [#10359](https://github.com/apache/pulsar/pull/10359)
+- Suppress printing of "skip Processing" lines in startup scripts [#10275](https://github.com/apache/pulsar/pull/10275)
+- Issue 10058:apply-config-from-env.py to commented default values [#10060](https://github.com/apache/pulsar/pull/10060)
+
+#### Client
+- [Java] Fix: seemingly equal ClientConfigurationData's objects end up not being equal [#10091](https://github.com/apache/pulsar/pull/10091)
+- [Java] Fix AutoConsumeSchema KeyValue encoding [#10089](https://github.com/apache/pulsar/pull/10089)
+- [Java] Fix error OutOfMemoryError while using KeyValue<GenericRecord, GenericRecord> [#9981](https://github.com/apache/pulsar/pull/9981)
+- [Java] Fix concurrency issue in incrementing epoch (#10278) [#10436](https://github.com/apache/pulsar/pull/10436)
+- [Java] Allow pulsar client receive external timer [#9802](https://github.com/apache/pulsar/pull/9802)
+- [Java] Handle NPE while receiving ack for closed producer [#8979](https://github.com/apache/pulsar/pull/8979)
+- [Java] Fix batch size not set when deserializing from byte array [#9855](https://github.com/apache/pulsar/pull/9855)
+- [Java] Fix ensure single-topic consumer can be closed [#9849](https://github.com/apache/pulsar/pull/9849)
+- [Java] Issue 9585: delete disconnected consumers to allow auto-discovery [#9660](https://github.com/apache/pulsar/pull/9660)
+- [Python] Support Python Avro schema set default value. [#10265](https://github.com/apache/pulsar/pull/10265)
+- [Python] Fix nested Map or Array in schema doesn't work [#9548](https://github.com/apache/pulsar/pull/9548)
+- [C++,Python] [PIP-60] Add TLS SNI support for cpp and python clients [#8957](https://github.com/apache/pulsar/pull/8957)
+- [C++] Fix C++ client cannot be built on Windows [#10363](https://github.com/apache/pulsar/pull/10363)
+- [C++] Fix paused zero queue consumer still pre-fetches messages [#10036](https://github.com/apache/pulsar/pull/10036)
+- [C++] Fix segfault when get topic name from received message id [#10006](https://github.com/apache/pulsar/pull/10006)
+- [C++] SinglePartition message router is always picking the same partition [#9702](https://github.com/apache/pulsar/pull/9702)
+- [C++] Reduce log level for ack-grouping tracker [#10094](https://github.com/apache/pulsar/pull/10094)
+- [WebSocket Client] WebSocket url token param value optimization [#10187](https://github.com/apache/pulsar/pull/10187)
+- [WebSocket Client] Make the browser client support the token authentication [#9886](https://github.com/apache/pulsar/pull/9886)
+
+#### Functions and Pulsar IO
+- Allow customizable function logging [#10389](https://github.com/apache/pulsar/pull/10389)
+- Pass through record properties from Pulsar Sources [#9943](https://github.com/apache/pulsar/pull/9943)
+- ISSUE 10153: Pulsar Functions Go fix time unit ns -> ms [#10160](https://github.com/apache/pulsar/pull/10160)
+- Kinesis Connector: Fix kinesis sink can not retry to send messages [#10420](https://github.com/apache/pulsar/pull/10420)
+- Kinesis Connector: Fix null error messages in onFailure exception in KinesisSink. [#10416](https://github.com/apache/pulsar/pull/10416)
+
+#### Tiered Storage
+- Prevent Class Loader Leak; Restore Offloader Directory Override [#9878](https://github.com/apache/pulsar/pull/9878)
+- Add logs for cleanup offloaded data operation [#9852](https://github.com/apache/pulsar/pull/9852)
+
 ### 2.7.1 &mdash; 2021-03-18 <a id=“2.7.1”></a>
 
 #### Broker