NATS - v2.9.7

Changelog

Go Version

• 1.19.3: Both release executables and Docker images are built with this Go release.

Improved:

• JetStream:
  • Processing of acknowledgments (#3624)
  • Stream ingest performance with large numbers of consumers (#3633)
  • StreamDetail now includes stream creation for /healthz reporting. Thanks to @raypinto for the contribution (#3646)

Fixed

• JetStream:
  • For "Interest" or "WorkQueue" policy streams, when a consumer was deleted, a stream view could cause high CPU or memory usage. Thanks to @Kaarel for the report (#3610)
  • Make sure to enforce HA asset limits during peer processing as well as assignment (#3614)
  • Account max streams/consumers not always honored (#3615)
  • Reduce some warning log messages "append entries" (#3619)
  • Logic bug that would prevent some stream messages from being deleted. Thanks to @Kaarel for the report (#3620, #3625)
  • Account removal leaks subscriptions. Thanks to @JulienVdG for the report (#3627)
  • Server fails to start on concurrent map read/write (#3629, #3634)
  • Possible panic on stream info when leader is not yet or elected or loses quorum. Thanks to @apuckey for the report (#3631)
  • Allow any type of ack to suppress auto-cleanup of consumer (#3635)
  • Make mirror consumers use filtered version of consumer create (#3638)
  • WorkQueue was not correctly rejecting overlapping consumers in some cases. Thanks to @Kilio22 for the report (#3640)
  • Make sure header keys do not have additional prefixes. Thanks to @osmanovv for the report (#3649)
• Routing:
  • TLS connections to discovered server may fail (#3611, #3613)
• Weighted subject mappings updates not applied (#3618)

Complete Changes

https://github.com/nats-io/nats-server/compare/v2.9.6...v2.9.7