[Mainnet] Aptos Node Release v1.21.2

Release Notes

Release Hash: 7eeba4c

Validator Update Required? Yes, by 10/18

Fullnode Update Required? Yes, by 10/22

Aptos Improvement Proposals (AIPs)

*Check out all of our AIPs and discussions https://github.com/aptos-foundation/AIPs

New features and enhancements

• [AIP-100] Private Entry Function for Multisig Account Creation: This AIP proposes adding new private entry functions to allow an existing Aptos account to create a multisig account using a signer, without requiring complex steps to generate a signature of a struct as proof.
  • Author: @yeptos
  • Ecosystem Impact: https://github.com/aptos-foundation/AIPs/blob/main/aips/aip-100.md#impact
  • Dependencies: None

Aptos Blockchain

General

• Introduces a new message RoundTimeoutMsg for consensus peers to indicate round timeouts. This change will stop overloading the VoteMsg with timeout information in a future release. [https://github.com//pull/14433]

Performance

• Execution performance improvement via removal of redundant memory copying.

Framework

• Add ability to destroy caps for a managed coin, to stop the ability to mint / burn later #14758

Resolved Issues

Bug Fixes

• Separate state sync notifications to pre-commit and commit, fix the state sync metrics lagging issue.