---
sidebar_position: 1
sidebar_label: 2022
---

# 2022 Changelog

### ClickHouse release v22.3.4.20-lts FIXME as compared to v22.3.3.44-lts

#### Build/Testing/Packaging Improvement
* - Add `_le_` method for ClickHouseVersion - Fix auto_version for existing tag - docker_server now support getting version from tags - Add python unit tests to backport workflow. [#36028](https://github.com/ClickHouse/ClickHouse/pull/36028) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).

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

* Backported in [#36244](https://github.com/ClickHouse/ClickHouse/issues/36244): Fix usage of quota with asynchronous inserts. [#35645](https://github.com/ClickHouse/ClickHouse/pull/35645) ([Anton Popov](https://github.com/CurtizJ)).
* Backported in [#36240](https://github.com/ClickHouse/ClickHouse/issues/36240): Fix possible loss of subcolumns in type `Object`. [#35682](https://github.com/ClickHouse/ClickHouse/pull/35682) ([Anton Popov](https://github.com/CurtizJ)).
* Backported in [#36242](https://github.com/ClickHouse/ClickHouse/issues/36242): Fix possible `Can't adjust last granule` exception while reading subcolumns of type `Object`. [#35687](https://github.com/ClickHouse/ClickHouse/pull/35687) ([Anton Popov](https://github.com/CurtizJ)).
* Backported in [#36147](https://github.com/ClickHouse/ClickHouse/issues/36147): Fix reading from `Kafka` tables when `kafka_num_consumers > 1` and `kafka_thread_per_consumer = 0`. Returns parallel & multithreaded reading, accidentally broken in 21.11. Closes [#35153](https://github.com/ClickHouse/ClickHouse/issues/35153). [#35973](https://github.com/ClickHouse/ClickHouse/pull/35973) ([filimonov](https://github.com/filimonov)).
* Backported in [#36276](https://github.com/ClickHouse/ClickHouse/issues/36276): Fix reading of empty arrays in reverse order (in queries with descending sorting by prefix of primary key). [#36215](https://github.com/ClickHouse/ClickHouse/pull/36215) ([Anton Popov](https://github.com/CurtizJ)).