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sidebar_position: 1
sidebar_label: 2022
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# 2022 Changelog

### ClickHouse release v22.7.3.5-stable (e140b8b5f3a) FIXME as compared to v22.7.2.15-stable (f843089624e)

#### Build/Testing/Packaging Improvement
* Backported in [#39884](https://github.com/ClickHouse/ClickHouse/issues/39884): Former packages used to install systemd.service file to `/etc`. The files there are marked as `conf` and are not cleaned out, and not updated automatically. This PR cleans them out. [#39323](https://github.com/ClickHouse/ClickHouse/pull/39323) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Backported in [#39884](https://github.com/ClickHouse/ClickHouse/issues/39884): Former packages used to install systemd.service file to `/etc`. The files there are marked as `conf` and are not cleaned out, and not updated automatically. This PR cleans them out. [#39323](https://github.com/ClickHouse/ClickHouse/pull/39323) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).

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

* Backported in [#40045](https://github.com/ClickHouse/ClickHouse/issues/40045): Fix big memory usage during fetches. Fixes [#39915](https://github.com/ClickHouse/ClickHouse/issues/39915). [#39990](https://github.com/ClickHouse/ClickHouse/pull/39990) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#40045](https://github.com/ClickHouse/ClickHouse/issues/40045): Fix big memory usage during fetches. Fixes [#39915](https://github.com/ClickHouse/ClickHouse/issues/39915). [#39990](https://github.com/ClickHouse/ClickHouse/pull/39990) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).