### ClickHouse release v21.7.3.14-stable FIXME as compared to v21.7.2.7-stable

#### Bug Fix
* Backported in [#26191](https://github.com/ClickHouse/ClickHouse/issues/26191): Fix sharding_key from column w/o function for remote() (before `select * from remote('127.1', system.one, dummy)` leads to `Unknown column: dummy, there are only columns .` error). [#25824](https://github.com/ClickHouse/ClickHouse/pull/25824) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#26109](https://github.com/ClickHouse/ClickHouse/issues/26109): Fix rare server crash because of `abort` in ZooKeeper client. Fixes [#25813](https://github.com/ClickHouse/ClickHouse/issues/25813). [#26079](https://github.com/ClickHouse/ClickHouse/pull/26079) ([alesapin](https://github.com/alesapin)).
* Backported in [#26142](https://github.com/ClickHouse/ClickHouse/issues/26142): Fix possible crash in `pointInPolygon` if the setting `validate_polygons` is turned off. [#26113](https://github.com/ClickHouse/ClickHouse/pull/26113) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#26170](https://github.com/ClickHouse/ClickHouse/issues/26170): Fix `joinGet` with LowCarinality columns, close [#25993](https://github.com/ClickHouse/ClickHouse/issues/25993). [#26118](https://github.com/ClickHouse/ClickHouse/pull/26118) ([Vladimir C](https://github.com/vdimir)).
* Backported in [#26206](https://github.com/ClickHouse/ClickHouse/issues/26206): Fix potential crash if more than one `untuple` expression is used. [#26179](https://github.com/ClickHouse/ClickHouse/pull/26179) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#26229](https://github.com/ClickHouse/ClickHouse/issues/26229): Remove excessive newline in `thread_name` column in `system.stack_trace` table. This fixes [#24124](https://github.com/ClickHouse/ClickHouse/issues/24124). [#26210](https://github.com/ClickHouse/ClickHouse/pull/26210) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Fix throwing exception when iterate over non existing remote directory. [#26296](https://github.com/ClickHouse/ClickHouse/pull/26296) ([ianton-ru](https://github.com/ianton-ru)).