ClickHouse/docs/changelogs/v22.1.3.7-stable.md

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sidebar_label: 2022
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# 2022 Changelog

### ClickHouse release v22.1.3.7-stable FIXME as compared to v22.1.2.2-stable

#### Improvement
* Backported in [#33793](https://github.com/ClickHouse/ClickHouse/issues/33793): Create parent directories in DiskS3::restoreFileOperations method. [#33730](https://github.com/ClickHouse/ClickHouse/pull/33730) ([ianton-ru](https://github.com/ianton-ru)).

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

* Backported in [#33898](https://github.com/ClickHouse/ClickHouse/issues/33898): Fix usage of sparse columns (which can be enabled by experimental setting `ratio_of_defaults_for_sparse_serialization`). [#33849](https://github.com/ClickHouse/ClickHouse/pull/33849) ([Anton Popov](https://github.com/CurtizJ)).