ClickHouse/docs/changelogs/v21.1.6.13-stable.md

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# 2022 Changelog

### ClickHouse release v21.1.6.13-stable FIXME as compared to v21.1.5.4-stable

#### Bug Fix
* Backported in [#20637](https://github.com/ClickHouse/ClickHouse/issues/20637): Fix rare bug when some replicated operations (like mutation) cannot process some parts after data corruption. Fixes [#19593](https://github.com/ClickHouse/ClickHouse/issues/19593). [#19702](https://github.com/ClickHouse/ClickHouse/pull/19702) ([alesapin](https://github.com/alesapin)).
* Backported in [#20573](https://github.com/ClickHouse/ClickHouse/issues/20573): Fix crash which could happen if unknown packet was received from remove query (was introduced in [#17868](https://github.com/ClickHouse/ClickHouse/issues/17868)). [#20547](https://github.com/ClickHouse/ClickHouse/pull/20547) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#21005](https://github.com/ClickHouse/ClickHouse/issues/21005): Fix 'Empty task was returned from async task queue' on query cancellation. [#20881](https://github.com/ClickHouse/ClickHouse/pull/20881) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#21131](https://github.com/ClickHouse/ClickHouse/issues/21131): Fixed behaviour, when `ALTER MODIFY COLUMN` created mutation, that will knowingly fail. [#21007](https://github.com/ClickHouse/ClickHouse/pull/21007) ([Anton Popov](https://github.com/CurtizJ)).
* Backported in [#21250](https://github.com/ClickHouse/ClickHouse/issues/21250): - Block parallel insertions into storage join. [#21009](https://github.com/ClickHouse/ClickHouse/pull/21009) ([Vladimir C](https://github.com/vdimir)).
* Backported in [#21068](https://github.com/ClickHouse/ClickHouse/issues/21068): Out of bound memory access was possible when formatting specifically crafted out of range value of type `DateTime64`. This closes [#20494](https://github.com/ClickHouse/ClickHouse/issues/20494). This closes [#20543](https://github.com/ClickHouse/ClickHouse/issues/20543). [#21023](https://github.com/ClickHouse/ClickHouse/pull/21023) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#21229](https://github.com/ClickHouse/ClickHouse/issues/21229): Fixes [#21112](https://github.com/ClickHouse/ClickHouse/issues/21112). Fixed bug that could cause duplicates with insert query (if one of the callbacks came a little too late). [#21138](https://github.com/ClickHouse/ClickHouse/pull/21138) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Backported in [#21277](https://github.com/ClickHouse/ClickHouse/issues/21277): Fix bug with `join_use_nulls` and joining `TOTALS` from subqueries. This closes [#19362](https://github.com/ClickHouse/ClickHouse/issues/19362) and [#21137](https://github.com/ClickHouse/ClickHouse/issues/21137). [#21248](https://github.com/ClickHouse/ClickHouse/pull/21248) ([Vladimir C](https://github.com/vdimir)).