This a stable release suitable for Testnet, Devnet and Mainnet Beta.
https://github.com/anza-xyz/agave/blob/v4.1/CHANGELOG.md
What's Changed
- v4.2: runtime: do not rewrite inactive stakes (backport of #14213) by @mergify[bot] in #14263
- v4.2: Sets stack size for accounts hasher rayon thread pool (backport of #14295) by @mergify[bot] in #14297
- v4.2: feat: Migrate to spl-token-2022-interface 3.x and parse PermissionedBurn (backport of #13504) by @mergify[bot] in #14009
- v4.2: feat(transaction-status): Parse the token Batch instruction (backport of #13512) by @mergify[bot] in #14259
- v4.2: feat(transaction-status): Parse the permissioned burn ConfidentialBurn instruction (backport of #13511) by @mergify[bot] in #14258
- v4.2: poh: wake replay after controller message completion (backport of #14038) by @mergify[bot] in #14276
- v4.2: Sets default incremental snapshot interval to 200 slots (backport of #14350) by @mergify[bot] in #14393
Full Changelog: v4.2.0-rc.1...v4.2.0