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

# 2022 Changelog

### ClickHouse release v22.3.9.19-lts (7976930b82e) FIXME as compared to v22.3.8.39-lts (6bcf982f58b)

#### Bug Fix (user-visible misbehavior in official stable release)

* Backported in [#39097](https://github.com/ClickHouse/ClickHouse/issues/39097): Any allocations inside OvercommitTracker may lead to deadlock. Logging was not very informative so it's easier just to remove logging. Fixes [#37794](https://github.com/ClickHouse/ClickHouse/issues/37794). [#39030](https://github.com/ClickHouse/ClickHouse/pull/39030) ([Dmitry Novik](https://github.com/novikd)).
* Backported in [#39080](https://github.com/ClickHouse/ClickHouse/issues/39080): Fix bug in filesystem cache that could happen in some corner case which coincided with cache capacity hitting the limit. Closes [#39066](https://github.com/ClickHouse/ClickHouse/issues/39066). [#39070](https://github.com/ClickHouse/ClickHouse/pull/39070) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Backported in [#39149](https://github.com/ClickHouse/ClickHouse/issues/39149): Fix error `Block structure mismatch` which could happen for INSERT into table with attached MATERIALIZED VIEW and enabled setting `extremes = 1`. Closes [#29759](https://github.com/ClickHouse/ClickHouse/issues/29759) and [#38729](https://github.com/ClickHouse/ClickHouse/issues/38729). [#39125](https://github.com/ClickHouse/ClickHouse/pull/39125) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#39372](https://github.com/ClickHouse/ClickHouse/issues/39372): Declare RabbitMQ queue without default arguments `x-max-length` and `x-overflow`. [#39259](https://github.com/ClickHouse/ClickHouse/pull/39259) ([rnbondarenko](https://github.com/rnbondarenko)).
* Backported in [#39379](https://github.com/ClickHouse/ClickHouse/issues/39379): Fix segmentation fault in MaterializedPostgreSQL database engine, which could happen if some exception occurred at replication initialisation. Closes [#36939](https://github.com/ClickHouse/ClickHouse/issues/36939). [#39272](https://github.com/ClickHouse/ClickHouse/pull/39272) ([Kseniia Sumarokova](https://github.com/kssenii)).
* Backported in [#39351](https://github.com/ClickHouse/ClickHouse/issues/39351): Fix incorrect fetch postgresql tables query fro PostgreSQL database engine. Closes [#33502](https://github.com/ClickHouse/ClickHouse/issues/33502). [#39283](https://github.com/ClickHouse/ClickHouse/pull/39283) ([Kseniia Sumarokova](https://github.com/kssenii)).

#### NOT FOR CHANGELOG / INSIGNIFICANT

* Reproduce and a little bit better fix for LC dict right offset. [#36856](https://github.com/ClickHouse/ClickHouse/pull/36856) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Retry docker buildx commands with progressive sleep in between [#38898](https://github.com/ClickHouse/ClickHouse/pull/38898) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
* Add docker_server.py running to backport and release CIs [#39011](https://github.com/ClickHouse/ClickHouse/pull/39011) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
