### ClickHouse release v21.3.20.1-lts FIXME as compared to v21.3.19.1-lts

#### Bug Fix
* Backported in [#32690](https://github.com/ClickHouse/ClickHouse/issues/32690): Quota limit was not reached, but the limit was exceeded. This PR fixes [#31174](https://github.com/ClickHouse/ClickHouse/issues/31174). [#31656](https://github.com/ClickHouse/ClickHouse/pull/31656) ([sunny](https://github.com/sunny19930321)).
* Backported in [#33727](https://github.com/ClickHouse/ClickHouse/issues/33727): Fix null pointer dereference in low cardinality data when deserializing LowCardinality data in the Native format. [#33021](https://github.com/ClickHouse/ClickHouse/pull/33021) ([Harry Lee](https://github.com/HarryLeeIBM)).

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

* Backported in [#32791](https://github.com/ClickHouse/ClickHouse/issues/32791): fix crash when used fuzzBits with multiply same FixedString, Close [#32737](https://github.com/ClickHouse/ClickHouse/issues/32737). [#32755](https://github.com/ClickHouse/ClickHouse/pull/32755) ([SuperDJY](https://github.com/cmsxbc)).