[Mainnet] Aptos Node Release v1.20.1

Release Notes

Release Hash: 28abb7db64af8de81a6bc76c6b2d6600181ac578

Validator Update Required? Yes, by Oct 4th.

Fullnode Update Required? Yes, by Oct 9th.

Aptos Improvement Proposals (AIPs)

Check out all of our AIPs and discussions here on GitHub.

Breaking Changes

• [AIP-99] Disable Safe Burn of User-Owned Objects: Disables burn of objects
  • Ecosystem Impact: Users will no longer be able to burn soulbound objects. It’s very unlikely this will affect anyone’s flow.
  • Feature Flag: None

Aptos Blockchain

General

• Cleanup various logs, to reduce (not-too-useful) log volume
• Fix potential deadlock in state_key::Entry::drop. Thanks to @gftea for reporting the issue.

Consensus Observer

• Support multiple concurrent subscription streams, to improve reliability and fault tolerance.
• Improvements to peer selection for subscription stream creation and termination.
• Disable CO by default for VFNs (VFNs are currently only opt-in)

Quorum Store

• Minor improvements to the performance of proof queue in Quorum Store.

Move

• Fixed a bug with ABI generation for Move 2 (bytecode version 7)
• Fixed some issues in VM enum implementation as result of auditing

Gas

• updated RestAPI gas estimation, to account for AIP-68 - Use Case Aware Block Reordering. Together those allow steady state traffic to pay minimal gas price, and go through with low latency, even if traffic for some DApp suddenly spikes.

Performance

• Validators optimistically commit data to DB before execution result is confirmed by a quorum, resulting in reduced latency.