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| 1 | +## RabbitMQ 3.13.3 |
| 2 | + |
| 3 | +RabbitMQ `3.13.3` is a maintenance release in the `3.13.x` [release series](https://www.rabbitmq.com/release-information). |
| 4 | + |
| 5 | +Starting June 1st, 2024, community support for this series will only be provided to [regularly contributing users](https://github.com/rabbitmq/rabbitmq-server/blob/main/COMMUNITY_SUPPORT.md) and those |
| 6 | +who hold a valid [commercial support license](https://tanzu.vmware.com/rabbitmq/oss). |
| 7 | + |
| 8 | +Please refer to the upgrade section from the [3.13.0 release notes](https://github.com/rabbitmq/rabbitmq-server/releases/tag/v3.13.0) |
| 9 | +if upgrading from a version prior to 3.13.0. |
| 10 | + |
| 11 | +This release requires Erlang 26 and supports Erlang versions up to `26.2.x`. |
| 12 | +[RabbitMQ and Erlang/OTP Compatibility Matrix](https://www.rabbitmq.com/docs/which-erlang) has more details on |
| 13 | +Erlang version requirements for RabbitMQ. |
| 14 | + |
| 15 | + |
| 16 | +### Minimum Supported Erlang Version |
| 17 | + |
| 18 | +As of 3.13.0, RabbitMQ requires Erlang 26. Nodes **will fail to start** on older Erlang releases. |
| 19 | + |
| 20 | +Users upgrading from 3.12.x (or older releases) on Erlang 25 to 3.13.x on Erlang 26 |
| 21 | +(both RabbitMQ *and* Erlang are upgraded at the same time) **must** consult |
| 22 | +the [v3.12.0 release notes](https://github.com/rabbitmq/rabbitmq-server/releases/tag/v3.12.0) and [v3.13.0 release notes](https://github.com/rabbitmq/rabbitmq-server/releases/tag/v3.13.0) first. |
| 23 | + |
| 24 | + |
| 25 | +## Changes Worth Mentioning |
| 26 | + |
| 27 | +Release notes can be found on GitHub at [rabbitmq-server/release-notes](https://github.com/rabbitmq/rabbitmq-server/tree/v3.13.x/release-notes). |
| 28 | + |
| 29 | + |
| 30 | +### Core Broker |
| 31 | + |
| 32 | +#### Bug Fixes |
| 33 | + |
| 34 | + * Corrected several 3.13-specific issues related to how the `x-death` headers are populated during [dead lettering](https://www.rabbitmq.com/docs/dlx). |
| 35 | + |
| 36 | + GitHub issues: [#11160](https://github.com/rabbitmq/rabbitmq-server/issues/11160), [#11159](https://github.com/rabbitmq/rabbitmq-server/issues/11159), [#11174](https://github.com/rabbitmq/rabbitmq-server/pull/11174) |
| 37 | + |
| 38 | + * Periodic replica reconciliation of quorum queues now reacts to node shutdown in cluster where Khepri is enabled. |
| 39 | + |
| 40 | + Contributed by @SimonUnge. |
| 41 | + |
| 42 | + GitHub issue: [#11134](https://github.com/rabbitmq/rabbitmq-server/pull/11134) |
| 43 | + |
| 44 | + * Declaration of an exchange of a non-existent type will now report a more suitable "precondition failed" |
| 45 | + error to the client. |
| 46 | + |
| 47 | + Contributed by @carlhoerberg. |
| 48 | + |
| 49 | + GitHub issue: [#11215](https://github.com/rabbitmq/rabbitmq-server/pull/11215) |
| 50 | + |
| 51 | +#### Enhancements |
| 52 | + |
| 53 | + * `x-death` headers used to provide metadata about [dead-lettering](https://www.rabbitmq.com/docs/dlx) are now included |
| 54 | + for messages consumed from a stream. |
| 55 | + |
| 56 | + GitHub issue: [#11173](https://github.com/rabbitmq/rabbitmq-server/issues/11173) |
| 57 | + |
| 58 | + * Besides the previously existing option of configuring default queue type per virtual host, |
| 59 | + there is now a "global" per node default that can be set via `rabbitmq.conf`: |
| 60 | + |
| 61 | + ``` ini |
| 62 | + # Changes default queue type for all clients connected to the configured node |
| 63 | + # to quorum queues. |
| 64 | + # This is just an example, not all queues should be quorum queues. |
| 65 | + # See https://www.rabbitmq.com/docs/quorum-queues to learn more. |
| 66 | + default_queue_type = quorum |
| 67 | + ``` |
| 68 | + |
| 69 | + Contributed by @SimonUnge. |
| 70 | + |
| 71 | + GitHub issue: [#11163](https://github.com/rabbitmq/rabbitmq-server/pull/11163) |
| 72 | + |
| 73 | + |
| 74 | +### CLI Tools |
| 75 | + |
| 76 | +#### Bug Fixes |
| 77 | + |
| 78 | + * `rabbitmq-plugins list` incorrectly marked disabled plugins as "pending an upgrade". |
| 79 | + |
| 80 | + Partially contributed by @gomoripeti. |
| 81 | + |
| 82 | + GitHub issue: [#11198](https://github.com/rabbitmq/rabbitmq-server/pull/11198) |
| 83 | + |
| 84 | + * `rabbitmqctl check_if_any_deprecated_features_are_used` could run into an exception. |
| 85 | + |
| 86 | + Partially contributed by @metron2. |
| 87 | + |
| 88 | + GitHub issue: [#11194](https://github.com/rabbitmq/rabbitmq-server/pull/11194) |
| 89 | + |
| 90 | + |
| 91 | +### Management Plugin |
| 92 | + |
| 93 | +#### Bug Fixes |
| 94 | + |
| 95 | + * After signing out of management UI, the page was not refreshed to reflect updated login (session) status. |
| 96 | + |
| 97 | + GitHub issue: [#11224](https://github.com/rabbitmq/rabbitmq-server/issues/11224) |
| 98 | + |
| 99 | + |
| 100 | +### Dependency Changes |
| 101 | + |
| 102 | +None in this release. |
| 103 | + |
| 104 | +## Source Code Archives |
| 105 | + |
| 106 | +To obtain source code of the entire distribution, please download the archive named `rabbitmq-server-3.13.3.tar.xz` |
| 107 | +instead of the source tarball produced by GitHub. |
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