This is a testnet release.
https://github.com/anza-xyz/agave/blob/v4.1/CHANGELOG.md
What's Changed
- v4.1: Marks zero lamport single ref accounts in newly shrunk storages (backport of #12912) by @mergify[bot] in #12932
- v4.1: ci: trigger docs workflow on pre-release tags (backport of #13063) by @mergify[bot] in #13073
- v4.1: XDP: add os error logging in xdp socket logic (backport of #10563) by @mergify[bot] in #12959
- Bump version to 4.1.0-rc.0 by @levsha in #13173
Full Changelog: v4.1.0-beta.3...v4.1.0-rc.0