### ClickHouse release v21.11.9.1-stable FIXME as compared to v21.11.8.4-stable
#### Bug Fix (user-visible misbehaviour in official stable or prestable release)
* Backported in [#33181](https://github.com/ClickHouse/ClickHouse/issues/33181): Server might fail to start if database with `MySQL` engine cannot connect to MySQL server, it's fixed. Fixes [#14441](https://github.com/ClickHouse/ClickHouse/issues/14441). [#32802](https://github.com/ClickHouse/ClickHouse/pull/32802) ([Alexander Tokmakov](https://github.com/tavplubix)).