80 lines
2.9 KiB
Markdown
80 lines
2.9 KiB
Markdown
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## RabbitMQ 3.8.19
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RabbitMQ `3.8.19` is a maintenance release.
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### Obtaining Packages
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RabbitMQ releases are distributed via [GitHub](https://github.com/rabbitmq/rabbitmq-server/releases), [Cloudsmith](https://cloudsmith.io/~rabbitmq/repos/),
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and [PackageCloud](https://packagecloud.io/rabbitmq).
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### Erlang/OTP Compatibility Notes
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This release [requires Erlang 23.2](https://www.rabbitmq.com/which-erlang.html) and [supports Erlang 24](https://blog.rabbitmq.com/posts/2021/03/erlang-24-support-roadmap/).
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[Provisioning Latest Erlang Releases](https://www.rabbitmq.com/which-erlang.html#erlang-repositories) explains
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what package repositories and tools can be used to provision modern Erlang versions.
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## Upgrade and Compatibility Notes
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See the [Upgrading guide](https://www.rabbitmq.com/upgrade.html) for general documentation on upgrades and
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[RabbitMQ change log](https://www.rabbitmq.com/changelog.html) for release notes of other releases.
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If upgrading from a`3.7.x` release, see [3.8.0 release notes](https://github.com/rabbitmq/rabbitmq-server/releases/tag/v3.8.0)
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upgrade and compatibility notes first.
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If upgrading from a `3.6.x` or older [release series](https://www.rabbitmq.com/versions.html), first upgrade
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to [`3.7.27`](https://github.com/rabbitmq/rabbitmq-server/releases/tag/v3.7.27) and then to this version.
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## Getting Help
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Any questions about this release, upgrades or RabbitMQ in general are welcome on the [RabbitMQ mailing list](https://groups.google.com/forum/#!forum/rabbitmq-users)
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and [RabbitMQ community Slack](https://rabbitmq-slack.herokuapp.com/).
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## Changes Worth Mentioning
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### Core Server
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#### Enhancements
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* Binding recovery on node startup is now more efficient. This means in clusters with a lot of
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queues and/or bindings, nodes start quicker.
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GitHub issue: [#3137](https://github.com/rabbitmq/rabbitmq-server/pull/3137)
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* Plugin directory paths are now deduplicated, so if a single directory is specified
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more than ones, the node won't complain about duplicate plugins.
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GitHub issue: [#3155](https://github.com/rabbitmq/rabbitmq-server/issues/3155)
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* Startup banner and log entries now use path separators more consistently on Windows.
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Thanks to Linda @LindaLawton Lawton for pointing out the inconsistency.
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GitHub issue: [#3149](https://github.com/rabbitmq/rabbitmq-server/issues/3149)
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### Shovel Plugin
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#### Bug Fixes
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* When dynamic Shovels are started the plugin now acquires a distributed lock.
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This is generally not necessary but helps avoid duplicate Shovels being started
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via import of a definition file on every cluster node during cluster formation.
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GitHub issue: [#3167](https://github.com/rabbitmq/rabbitmq-server/pull/3167)
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## Dependency Upgrades
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No dependency changes 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-3.8.19.tar.xz`
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instead of the source tarball produced by GitHub.
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