35 lines
2.0 KiB
Markdown
35 lines
2.0 KiB
Markdown
# v5.2.1
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## Enhancements
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- [#11487](https://github.com/emqx/emqx/pull/11487) The bcrypt work factor is limited to the range 5-10, because higher values consume too much CPU resources.
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Bcrypt library is updated to allow parallel hash evaluation.
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- [#11532](https://github.com/emqx/emqx/pull/11532) Improve some error reasons when parsing invalid packets.
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- [#11568](https://github.com/emqx/emqx/pull/11568) Added support for defining templates for MQTT 5.0 publish properties and user properties in Republish rule action.
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## Bug Fixes
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- [#11493](https://github.com/emqx/emqx/pull/11493) Examples and documentation for /api/v5/publish bad request response have been fixed. Previously the documentation example said that the bad request response could return a list in the body which was not actually the case.
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- [#11499](https://github.com/emqx/emqx/pull/11499) Upgrade Erlang/OTP to 25.3.2-2
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Erlang/OTP 25.3.2-2 excludes sensitive data from mnesia_hook log message.
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- [#11506](https://github.com/emqx/emqx/pull/11506) Don't download a trace log file if it is empty.
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After this fix, GET `/api/v5/trace/clientempty/download` returns 404 `{"code":"NOT_FOUND","message":"Trace is empty"}`
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If no events matching the trace condition occurred.
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- [#11522](https://github.com/emqx/emqx/pull/11522) Improved error message for rule engine schema registry when schema name exceeds permissible length.
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- [#11531](https://github.com/emqx/emqx/pull/11531) Fixed issue where authorization cache cleaning cli was not working properly for specific client ID.
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- [#11564](https://github.com/emqx/emqx/pull/11564) Fix cluster partition autoheal functionality.
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Implement autohealing for the clusters that split into multiple partitions.
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- [#11568](https://github.com/emqx/emqx/pull/11568) Fixed an issue where an ill-defined built-in rule action config could be interpreted as a custom user function.
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- [#11630](https://github.com/emqx/emqx/pull/11630) Fixed an issue where the core node could get stuck in the `mria_schema:bootstrap/0` state, preventing new nodes from joining the cluster.
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