99 lines
3.3 KiB
Markdown
99 lines
3.3 KiB
Markdown
RabbitMQ `3.11.12` 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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#### Bug Fixes
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* Boot time import of definitions from a `conf.d`-style directory failed unless
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`definitions.skip_if_unchanged` was set to `true`, for example, like in this
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`rabbitmq.conf`:
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``` ini
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definitions.skip_if_unchanged = false
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definitions.import_backend = local_filesystem
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definitions.local.path = /path/to/RabbitMQ/definitions/conf.d/
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```
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GitHub issue: [#7705](https://github.com/rabbitmq/rabbitmq-server/pull/7705)
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* Improved resiliency of dead-lettering.
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GitHib issue: [#7677](https://github.com/rabbitmq/rabbitmq-server/pull/7677)
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#### Enhancements
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* When the maximum allowed number of connections to the node was limited using the `connection_max` key
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and the limit was reached, newly connecting client previously would run into a TCP connection timeout.
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Now a more specific error will be returned to the client before connection closure.
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Contributed by @SimonUnge (AWS).
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GitHub issue: [#7593](https://github.com/rabbitmq/rabbitmq-server/issues/7593)
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### CLI Tools
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#### Bug Fixes
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* `rabbitmqctl add_vhosts` failed with an exception when `--default-queue-type` option was provided.
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GitHub issue: [#7750](https://github.com/rabbitmq/rabbitmq-server/issues/7750)
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### Management Plugin
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#### Bug Fixes
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* HTTP API endpoint `PUT /api/vhosts/{name}` incorrectly used `defaultqueuetype` for default queue type
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key name. It is now `default_queue_type`, the same key as returned by `GET /api/vhosts/{name}`.
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GitHub issue: [#7734](https://github.com/rabbitmq/rabbitmq-server/issues/7734)
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* HTTP API will now respond with a `405 Method Not Allowed` instead of a 500 when
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an unsupported method is used by the client.
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Contributed by @gomoripeti (CloudAMQP).
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GitHub issue: [#7675](https://github.com/rabbitmq/rabbitmq-server/pull/7675)
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### AMQP 1.0 Plugin
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#### Bug Fixes
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* Fixed AMQP 1.0 authentication issue that affected OAuth 2 token users.
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GitHub issue: [#7758](https://github.com/rabbitmq/rabbitmq-server/pull/7758)
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## Dependency Upgrades
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None in this release.
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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-3.11.12.tar.xz`
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instead of the source tarball produced by GitHub.
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