79 lines
2.6 KiB
Markdown
79 lines
2.6 KiB
Markdown
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## RabbitMQ 3.7.23
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RabbitMQ `3.7.23` is a maintenance release.
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RabbitMQ `3.7.x` series is supported [through March 2020](https://www.rabbitmq.com/versions.html).
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### Erlang/OTP Compatibility Notes
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Per the new Erlang version support policy in effect starting with January 2019,
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this release [**no longer supports Erlang/OTP 20.3**](https://groups.google.com/d/msg/rabbitmq-users/G4UJ9zbIYHs/qCeyjkjyCQAJ).
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Make sure a [supported Erlang version](https://www.rabbitmq.com/which-erlang.html) is used before upgrading.
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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 latest patch versions of Erlang `21.3.x` and `22.x`.
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### Compatibility Notes
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#### Upgrading to Erlang 21.x or Later Versions
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When upgrading to this release **and upgrading Erlang to 21.x or later** at the same time, extra care has to be taken.
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Since CLI tools from RabbitMQ releases older than 3.7.7 will fail on Erlang 21 or later,
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RabbitMQ **must be upgraded before Erlang**.
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#### Upgrade Doc Guides and Change Log
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See [3.7.0 release notes](https://github.com/rabbitmq/rabbitmq-server/releases/tag/v3.7.0) upgrade
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and compatibility notes first if upgrading from an earlier release.
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See the [Upgrading guide](https://www.rabbitmq.com/upgrade.html) for general documentation on upgrades
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and [RabbitMQ change log](https://www.rabbitmq.com/changelog.html) for release notes of other releases.
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### Getting Help
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Any questions about this release, upgrades or RabbitMQ in general are welcome on the
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[RabbitMQ mailing list](https://groups.google.com/forum/#!forum/rabbitmq-users).
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## Changes
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### MQTT Plugin
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#### Enhancements
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* Throughput improvements ranging from 14 to 60 percent depending on workload.
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GitHub issue: [rabbitmq/rabbitmq-server#2168](https://github.com/rabbitmq/rabbitmq-server/issues/2168)
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### AMQP 1.0 Plugin
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#### Enhancements
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* Throughput improvements.
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GitHub issue: [rabbitmq/rabbitmq-server#2168](https://github.com/rabbitmq/rabbitmq-server/issues/2168)
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### STOMP Plugin
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#### Enhancements
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* Throughput improvements.
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GitHub issue: [rabbitmq/rabbitmq-server#2168](https://github.com/rabbitmq/rabbitmq-server/issues/2168)
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### Web STOMP Plugin
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#### Enhancements
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* Clients now can authenticate using an x.509 (TLS) certificate.
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GitHub issue: [rabbitmq/rabbitmq-web-stomp#116](https://github.com/rabbitmq/rabbitmq-web-stomp/issues/116)
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## Source code archives
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**Warning**: The source code archive provided by GitHub only contains the source of the broker,
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not the plugins or the client libraries. Please download the archive named `rabbitmq-server-3.7.23.tar.xz`.
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