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sidebar_position: 1
sidebar_label: 2023
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# 2023 Changelog

### ClickHouse release v23.3.17.13-lts (e867d59020f) FIXME as compared to v23.3.16.7-lts (fb4125cc92a)

#### Build/Testing/Packaging Improvement
* Backported in [#56731](https://github.com/ClickHouse/ClickHouse/issues/56731): Do not fetch changed submodules in the builder container. [#56689](https://github.com/ClickHouse/ClickHouse/pull/56689) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).

#### Bug Fix (user-visible misbehavior in an official stable release)

* Fix segfault during Kerberos initialization [#56401](https://github.com/ClickHouse/ClickHouse/pull/56401) ([Nikolay Degterinsky](https://github.com/evillique)).
* Fix crash in FPC codec [#56795](https://github.com/ClickHouse/ClickHouse/pull/56795) ([Alexey Milovidov](https://github.com/alexey-milovidov)).

#### NOT FOR CHANGELOG / INSIGNIFICANT

* Rewrite jobs to use callable workflow [#56385](https://github.com/ClickHouse/ClickHouse/pull/56385) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Continue rewriting workflows to reusable tests [#56501](https://github.com/ClickHouse/ClickHouse/pull/56501) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Better exception messages [#56854](https://github.com/ClickHouse/ClickHouse/pull/56854) ([Antonio Andelic](https://github.com/antonio2368)).