121 lines
3.9 KiB
Markdown
121 lines
3.9 KiB
Markdown
RabbitMQ `3.11.14` 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.
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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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#### Enhacements
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* It is now possible to limit the maximum number of virtual hosts that can be created
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in the cluster.
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Contributed by @SimonUnge (AWS).
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GitHub issue: [#7777](https://github.com/rabbitmq/rabbitmq-server/issues/7777)
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* It is now possible to limit how many shovels or federation links can run on a node
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using `rabbitmq.conf`:
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``` ini
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runtime_parameters.limits.shovel = 10
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runtime_parameters.limits.federation = 10
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```
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Contributed by @illotum (AWS).
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GitHub issue: [#7917](https://github.com/rabbitmq/rabbitmq-server/pull/7917)
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* Quorum queues will now log if they could not apply policy changes, for example,
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because there was no quorum of replicas online, or the queue was going through
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a leader election.
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GitHub issue: [#7853](https://github.com/rabbitmq/rabbitmq-server/pull/7853)
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#### Bug Fixes
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* [Superstream](https://blog.rabbitmq.com/posts/2022/07/rabbitmq-3-11-feature-preview-super-streams/) could fail
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to elect a single active consumer (SAC) in certain consumer churn conditions.
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GitHub issue: [#7743](https://github.com/rabbitmq/rabbitmq-server/issues/7743)
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### CLI Tools
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#### Enhancements
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* `rabbitmqctl update_vhost_metadata` is a new command that can be used to update
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the description, default queue type, or tags of a virtual host:
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``` shell
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rabbitmqctl update_vhost_metadata vh1 --tags qa,quorum,team3,project2
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rabbitmqctl update_vhost_metadata vh1 --description "QA env 1 for issue 37483"
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rabbitmqctl update_vhost_metadata vh1 --description "QQs all the way" --default-queue-type "quorum"
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rabbitmqctl update_vhost_metadata vh1 --description "streaming my brain out" --default-queue-type "stream"
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```
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GitHub issue: [#7914](https://github.com/rabbitmq/rabbitmq-server/pull/7914)
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### Management Plugin
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#### Bug Fixes
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* It was impossible to return to a tab that had a filter expression
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that was not a valid regular expressions.
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Now such expressions will be used as regular text filters.
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GitHub issue: [#8008](https://github.com/rabbitmq/rabbitmq-server/issues/8008)
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### OAuth 2 AuthN/AuthZ Backend Plugin
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#### Enhancement
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* Several variables (`{username}`, `{vhost}` and JWT claims that are single string values)
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now can be used (expanded) in topic operation authorization.
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GitHub issue: [#7178](https://github.com/rabbitmq/rabbitmq-server/issues/7178)
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### HTTPS AuthN/AuthZ Backend Plugin
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#### Bug Fixes
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* The authorization backend could run into an exception when used in
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combination with other backends.
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GitHub issue: [#7864](https://github.com/rabbitmq/rabbitmq-server/issues/7864)
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## Dependency Upgrades
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* [`cowlib`](https://github.com/ninenines/cowlib) was upgraded to `2.12.1`
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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-3.11.14.tar.xz`
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instead of the source tarball produced by GitHub.
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