2022-05-17 04:05:25 +08:00
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RabbitMQ `3.10.2` is a maintenance release in the `3.10.x` release series.
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Please refer to the upgrade section from [v3.10.0 release notes](https://github.com/rabbitmq/rabbitmq-server/releases/tag/v3.10.0)
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if upgrading from a version prior to 3.10.0.
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This release requires at least Erlang 23.2, and supports Erlang 24 and 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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## 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/v3.10.x/release-notes).
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### Core Server
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#### Enhancements
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* 40 to 50% throughput improvement for some workloads where AMQP 0-9-1 clients
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consumed from a [stream](https://rabbitmq.com/stream.html).
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GitHub issue: [#4811](https://github.com/rabbitmq/rabbitmq-server/pull/4811)
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2022-05-20 03:26:51 +08:00
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* Configuration of fallback secrets for Shovel and Federation credential obfuscation.
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This feature allows for secret rotation during rolling cluster node restarts.
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Contributed by Lajos @luos Gerecs.
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GitHub issue: [#4847](https://github.com/rabbitmq/rabbitmq-server/pull/4847)
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2022-05-17 04:05:25 +08:00
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* Reduced memory footprint of individual [consumer acknowledgements](https://rabbitmq.com/confirms.html) of quorum queue consumers.
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GitHub issue: [#4801](https://github.com/rabbitmq/rabbitmq-server/pull/4801)
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2022-05-20 19:10:58 +08:00
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* Reduced filesystem I/O contention for workloads where a large number of classic
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queues v2 (CQv2) were concurrently deleted.
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GitHub issue: [#4844](https://github.com/rabbitmq/rabbitmq-server/pull/4844)
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2022-05-17 04:05:25 +08:00
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#### Bug Fixes
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* Default log level used a four-character severity abbreviation instead of more
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common longer format, for example, `warn` instead of `warning`.
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GitHub issue: [#4800](https://github.com/rabbitmq/rabbitmq-server/pull/4800)
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### CLI Tools
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#### Enhancements
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* `rabbitmq-diagnostics status` now reports crypto library (OpenSSL, LibreSSL, etc)
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used by the runtime, as well as its version details.
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GitHub issue: [#4799](https://github.com/rabbitmq/rabbitmq-server/issues/4799)
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#### Bug Fixes
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2022-05-20 05:19:14 +08:00
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* CLI tools failed to run on Erlang 25 because of an old version of Elixir (compiled on Erlang 21)
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was used in the release pipeline. Erlang 25 no longer loads modules
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compiled on Erlang 21 or older.
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2022-05-17 04:05:25 +08:00
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* `rabbitmqctl set_log_level` documentation clarification.
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Contributed by Péter @gomoripeti Gömöri (CloudAMQP).
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GitHub issue: [#4794](https://github.com/rabbitmq/rabbitmq-server/pull/4794)
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## Dependency Upgrades
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* `credentials_obfuscation` was upgraded [from v3.0.0 to v3.1.0](https://github.com/rabbitmq/credentials-obfuscation/compare/v3.0.0...v3.1.0)
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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-3.10.2.tar.xz`
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instead of the source tarball produced by GitHub.
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