v2.12.11

luminal-ai/luminalv2.12.11Jun 9, 2026by github-actions[bot]

AI Summary

Fixes a regression in JetStream subject state tracking that could cause 'Message Not Found' errors when max messages per subject limits are configured.

Key Highlights

JetStream stale subject state tracking fix
Go version updated to 1.25.11

New Features

JetStream subject state tracking fix
Go version 1.25.11

Full Release Notes

## Changelog

Refer to the [2.12 Upgrade Guide](https://docs.nats.io/release-notes/whats_new/whats_new_212) for backwards compatibility notes with 2.11.x.

### Go Version

- 1.25.11

### Fixed

JetStream

- Fixed a regression introduced in v2.12.7 which could result in stale subject state tracking which could manifest in "Message Not Found" errors when a max messages per subject limit is configured (#8285)
  - Please note that v2.14.x versions are not affected

### Complete Changes
 
https://github.com/nats-io/nats-server/compare/v2.12.10...v2.12.11