151 lines
5.1 KiB
Markdown
151 lines
5.1 KiB
Markdown
RabbitMQ `3.11.19` is a maintenance release in the `3.11.x` [release series](https://www.rabbitmq.com/versions.html).
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Please refer to the upgrade section from [v3.11.0 release notes](https://github.com/rabbitmq/rabbitmq-server/releases/tag/v3.11.0)
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if upgrading from a version prior to 3.11.0.
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This release requires Erlang 25 and supports Erlang versions up to `25.3.x`.
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[RabbitMQ and Erlang/OTP Compatibility Matrix](https://www.rabbitmq.com/which-erlang.html) has more details on
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Erlang version requirements for RabbitMQ.
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### Minimum Supported Erlang Version
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As of 3.11.0, RabbitMQ requires Erlang 25. Nodes **will fail to start** on older Erlang releases.
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Erlang 25 as our new baseline means much improved performance on ARM64 architectures, [profiling with flame graphs](https://blog.rabbitmq.com/posts/2022/05/flame-graphs/)
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across all architectures, and the most recent TLS 1.3 implementation available to all RabbitMQ 3.11 users.
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## Changes Worth Mentioning
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Release notes can be found on GitHub at [rabbitmq-server/release-notes](https://github.com/rabbitmq/rabbitmq-server/tree/v3.11.x/release-notes).
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### Core Server
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#### Bug Fixes
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* Declaration of a classic queue could run into an exception.
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GitHub issue: [#8629](https://github.com/rabbitmq/rabbitmq-server/pull/8629)
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* Nodes that had a large number of quorum queues could observe accumulation of Erlang processes
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under significant load. A follow-up change to [#7389](https://github.com/rabbitmq/rabbitmq-server/issues/7389).
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GitHub issue: [#8591](https://github.com/rabbitmq/rabbitmq-server/pull/8591)
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* Feature flag discovery operations will now be retried multiple times in case of network failures.
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GitHub issue: [#8491](https://github.com/rabbitmq/rabbitmq-server/pull/8491)
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* Feature flag discovery on a newly added node could discover an incomplete inventory of feature flags.
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GitHub issue: [#8487](https://github.com/rabbitmq/rabbitmq-server/pull/8487)
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* Nodes in clusters that had quorum queues and non-mirrored classic queues on stopped (or failed) nodes
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could run into an exception.
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The same exception could affect `rabbitmqctl list_queues`.
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GitHub issue: [#8596](https://github.com/rabbitmq/rabbitmq-server/pull/8596)
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* Proxy Protocol v2 LOCAL packets were not supported.
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GitHub issue: [#8668](https://github.com/rabbitmq/rabbitmq-server/pull/8668)
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#### Enhancements
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* When a quorum queue does not find its local replica data files on boot, it will now log
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a warning.
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GitHub issue: [#8630](https://github.com/rabbitmq/rabbitmq-server/pull/8630)
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### Management Plugin
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#### Bug Fixes
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* An attempt to clear limits of a non-existent virtual host failed with a 500 status code.
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GitHub issue: [#8523](https://github.com/rabbitmq/rabbitmq-server/pull/8523)
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#### Enhacements
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* Management UI will now display node maintenance status.
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Contributed by @SimonUnge (AWS).
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GitHub issue: [#8558](https://github.com/rabbitmq/rabbitmq-server/issues/8558)
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* The "Queues" tab in the UI was renamed to "Queue and Streams" to better reflect
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its contents.
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GitHub issue: [#8520](https://github.com/rabbitmq/rabbitmq-server/pull/8520)
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* New HTTP API endpoints for quorum queue replica management, equivalent to
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the `rabbitmq-queues` commands that manage replicas.
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```
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POST /api/queues/quorum/{vhost}/{name}/replicas/add
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DELETE /api/queues/quorum/{vhost}/{name}/replicas/remove
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POST /api/queues/quorum/replicas/on/{node}/grow
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DELETE /api/queues/quorum/replicas/on/{node}/shrink
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```
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GitHub issue: [#8561](https://github.com/rabbitmq/rabbitmq-server/pull/8561)
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### Stream Plugin
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#### Bug Fixes
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* Stream client connections that authenticated using x.509 certificates
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failed.
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GitHub issue: [#8488](https://github.com/rabbitmq/rabbitmq-server/pull/8488)
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### OAuth 2 Plugin
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#### Bug Fixes
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* Only set OAuth 2 client's CA certificate file setting when it is defined.
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GitHub issue: [#8548](https://github.com/rabbitmq/rabbitmq-server/pull/8548)
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#### Enhancements
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* The plugin will now accept JWT tokens without a `scope`. Such tokens would only be useful when the plugin
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is used exclusively for authentication and not authorization.
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GitHub issue: [#8391](https://github.com/rabbitmq/rabbitmq-server/issues/8391)
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* `oauth2` is now an accepted alias for the OAuth 2 authentication and authorization backend:
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```
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auth_backends.1 = oauth2
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```
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Previously the only option for OAuth 2 was using a full module name,
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`rabbit_auth_backend_oauth2`.
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GitHub issue: [#8513](https://github.com/rabbitmq/rabbitmq-server/pull/8513)
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### STOMP Plugin
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#### Bug Fixes
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* STOMP plugin log entries had an extra line feed character.
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GitHub issue: [#2568](https://github.com/rabbitmq/rabbitmq-server/issues/2568)
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## Dependency Upgrades
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* `ra` was upgraded to [`2.6.2`](https://github.com/rabbitmq/ra/releases)
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* `osiris` was upgraded [from `1.5.1` to `1.6.0`](https://github.com/rabbitmq/osiris/tags)
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## Source Code Archives
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To obtain source code of the entire distribution, please download the archive named `rabbitmq-server-3.11.19.tar.xz`
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instead of the source tarball produced by GitHub.
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