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RELEASES.md

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Release Notes

v1.7.2

This version is backwards compatible to v1.7.0. It is optional, but encouraged.

Coreth

  • Fixed memory leak in the estimate gas API.
  • Reduced the default RPC gas limit to 50,000,000 gas.
  • Improved RPC logging.
  • Removed pre-AP5 legacy code.

PlatformVM

  • Optimized validator set change calculations.
  • Removed storage of non-decided blocks.
  • Simplified error handling.
  • Removed pre-AP5 legacy code.

Networking

  • Explicitly fail requests with responses that failed to be parsed.
  • Removed pre-AP5 legacy code.

Configs

  • Introduced the ability for a delayed graceful node shutdown.
  • Added the ability to take all configs as environment variables for containerized deployments.

Utils

  • Fixed panic bug in logging library when importing from external projects.

v1.7.1

This update is backwards compatible with v1.7.0. Please see the expected update times in the v1.7.0 release.

Coreth

  • Reduced fee estimate volatility.

Consensus

  • Fixed vote bubbling for unverified block chits.

v1.7.0

This upgrade adds support for issuing multiple atomic transactions into a single block and directly transferring assets between the P-chain and the C-chain.

The changes in the upgrade go into effect at 1 PM EST, December 2nd 2021 on Mainnet. One should upgrade their node before the changes go into effect, otherwise they may experience loss of uptime.

All nodes should upgrade before 1 PM EST, December 2nd 2021.

Networking

  • Added peer uptime reports as metrics.
  • Removed IP rate limiting over local networks.

PlatformVM

  • Enabled AtomicTxs to be issued into StandardBlocks and deprecated AtomicBlocks.
  • Added the ability to export/import AVAX to/from the C-chain.

Coreth

  • Enabled multiple AtomicTxs to be issued per block.
  • Added the ability to export/import AVAX to/from the P-chain.
  • Updated dynamic fee calculations.

ProposerVM

  • Removed storage of undecided blocks.

RPCChainVM

  • Added support for metrics to be reported by plugin VMs.

Configs

  • Removed --snow-epoch-first-transition and snow-epoch-duration as command line arguments.

v1.6.5

This version is backwards compatible to v1.6.0. It is optional, but encouraged.

Bootstrapping

  • Drop inbound messages to a chain if that chain is in the execution phase of bootstrapping.
  • Print beacon nodeIDs upon failure to connect to them.

Metrics

  • Added avalanche_{ChainID}_bootstrap_finished, which is 1 if the chain is done bootstrapping, 0 otherwise.

APIs

  • Added info.uptime API call that attempts to report the network's view of the local node.
  • Added observedUptime to each peer's result in info.peers.

Network

  • Added reported uptime to pong messages to be able to better track a local node's uptime as viewed by the network.
  • Refactored request timeout registry to avoid a potential race condition.

v1.6.4

This version is backwards compatible to v1.6.0. It is optional, but encouraged.

Config

  • Added flag throttler-inbound-bandwidth-refill-rate, which specifies the max average inbound bandwidth usage of a peer.
  • Added flag throttler-inbound-bandwidth-max-burst-size, which specifies the max inbound bandwidth usage of a peer.

Networking

  • Updated peerlist gossiping to use the same mechanism as other gossip calls.
  • Added inbound message throttling based on recent bandwidth usage.

Metrics

  • Updated avalanche_{ChainID}_handler_gossip_{count,sum} to avalanche_{ChainID}_handler_gossip_request_{count,sum}.
  • Updated avalanche_{ChainID}_lat_get_accepted_{count,sum} to avalanche_{ChainID}_lat_accepted_{count,sum}.
  • Updated avalanche_{ChainID}_lat_get_accepted_frontier_{count,sum} to avalanche_{ChainID}_lat_accepted_frontier_{count,sum}.
  • Updated avalanche_{ChainID}_lat_get_ancestors_{count,sum} to avalanche_{ChainID}_lat_multi_put_{count,sum}.
  • Combined avalanche_{ChainID}_lat_pull_query_{count,sum} and avalanche_{ChainID}_lat_push_query_{count,sum} to avalanche_{ChainID}_lat_chits_{count,sum}.
  • Added avalanche_{ChainID}_app_response_{count,sum}.
  • Added avalanche_network_bandwidth_throttler_inbound_acquire_latency_{count,sum}
  • Added avalanche_network_bandwidth_throttler_inbound_awaiting_acquire
  • Added avalanche_P_vm_votes_won
  • Added avalanche_P_vm_votes_lost

Indexer

  • Added method GetContainerByID to client implementation.
  • Client methods now return []byte rather than string representations of a container.

C-Chain

  • Updated Geth dependency to 1.10.11.
  • Added a new admin API for updating the log level and measuring performance.
  • Added a new --allow-unprotected-txs flag to allow issuance of transactions without EIP-155 replay protection.

Subnet & Custom VMs

  • Ensured that all possible chains are run in --staking-enabled=false networks.

v1.6.3

This version is backwards compatible to v1.6.0. It is optional, but encouraged.

Config Options

  • Updated the default value of --inbound-connection-throttling-max-conns-per-sec to 256.
  • Updated the default value of --meter-vms-enabled to true.
  • Updated the default value of --staking-disabled-weight to 100.

Metrics

  • Changed the behavior of avalanche_network_buffer_throttler_inbound_awaiting_acquire to only increment if the message is actually blocking.
  • Changed the behavior of avalanche_network_byte_throttler_inbound_awaiting_acquire to only increment if the message is actually blocking.
  • Added Block/Tx metrics on meterVMs.
    • Added avalanche_{ChainID}_vm_metervm_build_block_err_{count,sum}.
    • Added avalanche_{ChainID}_vm_metervm_parse_block_err_{count,sum}.
    • Added avalanche_{ChainID}_vm_metervm_get_block_err_{count,sum}.
    • Added avalanche_{ChainID}_vm_metervm_verify_{count,sum}.
    • Added avalanche_{ChainID}_vm_metervm_verify_err_{count,sum}.
    • Added avalanche_{ChainID}_vm_metervm_accept_{count,sum}.
    • Added avalanche_{ChainID}_vm_metervm_reject_{count,sum}.
    • Added avalanche_{DAGID}_vm_metervm_parse_tx_err_{count,sum}.
    • Added avalanche_{DAGID}_vm_metervm_get_tx_err_{count,sum}.
    • Added avalanche_{DAGID}_vm_metervm_verify_tx_{count,sum}.
    • Added avalanche_{DAGID}_vm_metervm_verify_tx_err_{count,sum}.
    • Added avalanche_{DAGID}_vm_metervm_accept_{count,sum}.
    • Added avalanche_{DAGID}_vm_metervm_reject_{count,sum}.

Coreth

  • Applied callTracer fault handling fix.
  • Initialized multicoin functions in the runtime environment.

ProposerVM

  • Updated block Delay in --staking-enabled=false networks to be 0.