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sidebar_position: 1
sidebar_label: 2023
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# 2023 Changelog

### ClickHouse release v23.11.2.11-stable (6e5411358c8) FIXME as compared to v23.11.1.2711-stable (05bc8ef1e02)

#### Improvement
* Backported in [#57661](https://github.com/ClickHouse/ClickHouse/issues/57661): Handle sigabrt case when getting PostgreSQl table structure with empty array. [#57618](https://github.com/ClickHouse/ClickHouse/pull/57618) ([Mike Kot (Михаил Кот)](https://github.com/myrrc)).

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

* Ignore ON CLUSTER clause in grant/revoke queries for management of replicated access entities.  [#57538](https://github.com/ClickHouse/ClickHouse/pull/57538) ([MikhailBurdukov](https://github.com/MikhailBurdukov)).
* Fix SIGSEGV for aggregation of sparse columns with any() RESPECT NULL [#57710](https://github.com/ClickHouse/ClickHouse/pull/57710) ([Azat Khuzhin](https://github.com/azat)).
* Fix bug window functions: revert [#39631](https://github.com/ClickHouse/ClickHouse/issues/39631) [#57766](https://github.com/ClickHouse/ClickHouse/pull/57766) ([Alexey Milovidov](https://github.com/alexey-milovidov)).

#### NOT FOR CHANGELOG / INSIGNIFICANT

* Pin alpine version of integration tests helper container [#57669](https://github.com/ClickHouse/ClickHouse/pull/57669) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).

