NATS Files

Changelog

Refer to the 2.11 Upgrade Guide for backwards compatibility notes with 2.10.x.

Go Version

• 1.24.7

Dependencies

• golang.org/x/crypto v0.42.0 (#7320)
• github.com/google/go-tpm v0.9.6 (#7376)
• github.com/nats-io/nats.go v1.46.1 (#7377)

Improved

General

• Statistics for gateways, routes and leaf connections are now correctly omitted from accstatsz responses if empty (#7300)

JetStream

• Stream assignment check has been simplified (#7290)
• Additional guards prevent panics when loading corrupted messages from the filestore (#7299)
• The store lock is no longer held while searching for TTL expiry tasks, improving performance (#7344)
• Removing a message from the TTL state is now faster (#7344)
• The filestore no longer performs heap allocations for hash checks (#7345)
• Meta snapshot performance for a very large number of assets has been improved after a regression in v2.11.9 (#7350)
• Sequence-from-timestamp lookups, such as those using opt_start_time on consumers or start_time on message get requests, now use a binary search for improved lookup performance (#7357)
• JetStream API requests are always handled from the worker pool, improving the semantics of the API request queue and logging when requests take too long (#7125)
• JetStream will no longer perform a metalayer snapshot on every stream removal request, reducing API pauses and improving meta performance (#7373)

Fixed

General

• Fixed the exit code when receiving a SIGTERM signal immediately after startup (#7367)

JetStream

• Fixed a use-after-free bug and a buffer reclamation issue in the filestore flusher (#7295)
• Direct get requests now correctly skip over deleted messages if the starting sequence is itself deleted (#7291)
• The Raft layer now strictly enforces that non-leaders cannot send append entries (#7297)
• The filestore now correctly handles recovering filestore blocks with out-of-order sequences from disk corruption (#7303, [#7304])
• The filestore now produces more useful error messages when disk corruption is detected (#7305)
• Removed messages with a per-message TTL are now removed from the TTL state immediately (#7344)
• Fixed a bug where TTL state was recovered on startup with subject delete markers enabled, that message expiry would not start as expected (#7344)
• Expiring messages from the filestore no longer leaks timers and expires at the correct time (#7344)
• Deleting a non-existent sequence on a stream no longer results in a cluster reset and leadership election (#7348)
• Subject tree intersection now correctly handles overlapping literals and partial wildcards, i.e. stream.A and stream.*.A, fixing some consumer or message get filters (#7349)
• A data race when checking all JetStream limits has been fixed (#7356)
• Raft will no longer trigger a reset of the clustered state due to a stream snapshot timeout (#7293)

Complete Changes

https://github.com/nats-io/nats-server/compare/v2.11.9...v2.11.10