### ClickHouse release v21.7.11.3-stable FIXME as compared to v21.7.10.4-stable

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

* Backported in [#29024](https://github.com/ClickHouse/ClickHouse/issues/29024): Fix the number of threads used in `GLOBAL IN` subquery (it was executed in single threads since [#19414](https://github.com/ClickHouse/ClickHouse/issues/19414) bugfix). [#28997](https://github.com/ClickHouse/ClickHouse/pull/28997) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#29195](https://github.com/ClickHouse/ClickHouse/issues/29195): Fix segfault while inserting into column with type LowCardinality(Nullable) in Avro input format. [#29132](https://github.com/ClickHouse/ClickHouse/pull/29132) ([Kruglov Pavel](https://github.com/Avogar)).