### ClickHouse release v21.9.4.35-stable FIXME as compared to v21.9.3.30-stable

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

* Backported in [#29191](https://github.com/ClickHouse/ClickHouse/issues/29191): 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)).