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[Testnet] Release v1.9.0

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@grao1991 grao1991 released this 29 Dec 00:58
· 2137 commits to main since this release

Release Notes

Recommended CLI Version: v2.3.2+
Docker Link: aptos-node-v1.9.0
Validator: Required
Full Node: Required

New features and enhancements

Aptos Blockchain

General

  • Rust was upgraded to use the 1.72.1 toolchain version.

Networking

  • Increased the number of outbound connections from 4 to 6 for fullnodes. This improves load balancing of network resources under load.

State sync

  • Improved the peer selection algorithm for data requests by leveraging peer monitoring metadata, latency and network topology information.
  • Implemented multi-fetch for data requests, allowing nodes to fetch data from multiple peers concurrently. This improves reliability in the face of failures and transient outages.
  • Improved the data pre-fetcher to more efficiently tolerate head of line blocking.
  • Improved the state sync execution pipeline by adopting 3 pipelined phases (instead of 2). This improves syncing throughput and performance under load.

Aptos Improvement Proposals (AIPs)