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sidebar_label: 2022
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# 2022 Changelog

### ClickHouse release v22.8.2.11-lts (b4ed6d744ff) FIXME as compared to v22.8.1.2097-lts (09a2ff88435)

#### Improvement
* Backported in [#40377](https://github.com/ClickHouse/ClickHouse/issues/40377): Improve and fix dictionaries in Arrow format. [#40173](https://github.com/ClickHouse/ClickHouse/pull/40173) ([Kruglov Pavel](https://github.com/Avogar)).

#### NO CL CATEGORY

* Backported in [#40472](https://github.com/ClickHouse/ClickHouse/issues/40472):. [#40462](https://github.com/ClickHouse/ClickHouse/pull/40462) ([Alexey Milovidov](https://github.com/alexey-milovidov)).

#### NOT FOR CHANGELOG / INSIGNIFICANT

* fix heap buffer overflow by limiting http chunk size [#40292](https://github.com/ClickHouse/ClickHouse/pull/40292) ([Sema Checherinda](https://github.com/CheSema)).
* Fix typo in the S3 download links for [#40359](https://github.com/ClickHouse/ClickHouse/pull/40359) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Reduce changelog verbosity in CI [#40360](https://github.com/ClickHouse/ClickHouse/pull/40360) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).