Release v2.11.0-preview.1

[bruth]

📣 Notice

This is the first preview release of 2.11.0! The motivation is to release new features and changes during the development lifecycle. This release is not feature complete for what the final 2.11.0 release will contain. This should only be used in development environments and not production. Additional preview releases will become available in subsequent weeks. Please check it out and give us feedback!

Changelog

Go Version

• 1.22.0 (Build with Go v1.22 #5133)

Added

Core

• Distributed pub/sub message tracing including OpenTelemetry support ([ADDED] Distributed Message Tracing #5014, Added OpenTelemetry support #5057, Change Account.TraceDest to private and add getter/setter #5078, Added sampling for account's trace destination #5121)
  • Refer to the ADR for more details

JetStream

• Support for batched direct-gets requests from streams ([ADDED] Batch support for direct gets from streams. #4981, Improved batch direct get. #5036)
  • Refer to the ADR for more details
• Add support for pausing/resuming consumers (Add support for pausing consumers #5066)
• Support for batched direct multi-get requests from streams ([ADDED] Add support for multi-get directly from a stream. #5107)
  • Refer to the (in-progress) ADR for more details

Changed

MQTT

• Change retained messages to use headers for metadata rather and JSON-encoding the message ([IMPROVED] MQTT: do not JSON-encode retained message bodies (restore #4825) #5050)
  • Note this is currently a backwards incompatible change with 2.10.x servers.

Improved

General

• Track recovery from slow consumer events in routes ([IMPROVED]Track recovery from slow consumer events in routes #5101)

OCSP

• Make OCSP request with POST method (ocsp: make ocsp request with POST method #5109)

JetStream

• Prevent potential degradation of publish latency over time (Fix for #5098 #5116) Thanks to @stefanLeo for contributing the issue and the improvement!

Fixed

JetStream

• Add explicit structs for the account claims update response payload (Formalize claims update response #4942)
• Acking a redelivered msg with more pending outstanding that should move the ack floor ([FIXED] Acking a redelivered msg with more pending outstanding that should move the ack floor. #5008)

MQTT

• Header length calculation for stored retained messages ([FIXED] MQTT: (in v2.11) header length calculation for stored retained messages #5125)

Complete Changes

https://github.com/nats-io/nats-server/compare/v2.10.11..v2.11.0-preview.1

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This discussion was created from the release Release v2.11.0-preview.1.

[jhalag]

This appears to have #5131 included, however I don't see it in the notes?