ClickHouse/docs/changelogs/v20.7.3.7-stable.md

### ClickHouse release v20.7.3.7-stable FIXME as compared to v20.7.2.30-stable

#### Improvement
* Backported in [#14361](https://github.com/ClickHouse/ClickHouse/issues/14361): Added Redis requirepass authorization. [#13688](https://github.com/ClickHouse/ClickHouse/pull/13688) ([Ivan Torgashov](https://github.com/it1804)).
* Backported in [#14875](https://github.com/ClickHouse/ClickHouse/issues/14875): Allow using multi-volume storage configuration in storage Distributed. [#14839](https://github.com/ClickHouse/ClickHouse/pull/14839) ([Pavel Kovalenko](https://github.com/Jokser)).

#### Bug Fix
* Backported in [#14080](https://github.com/ClickHouse/ClickHouse/issues/14080): Fixes /replicas_status endpoint response status code when verbose=1. [#13722](https://github.com/ClickHouse/ClickHouse/pull/13722) ([javi santana](https://github.com/javisantana)).
* Backported in [#14388](https://github.com/ClickHouse/ClickHouse/issues/14388): Fix GRANT ALL statement when executed on a non-global level. [#13987](https://github.com/ClickHouse/ClickHouse/pull/13987) ([Vitaly Baranov](https://github.com/vitlibar)).
* Backported in [#14137](https://github.com/ClickHouse/ClickHouse/issues/14137): Fix pointInPolygon with const 2d array as polygon. [#14079](https://github.com/ClickHouse/ClickHouse/pull/14079) ([Alexey Ilyukhov](https://github.com/livace)).
* Backported in [#14292](https://github.com/ClickHouse/ClickHouse/issues/14292): Fix crash when INERT INTO Kafka engine table from an empty result set with a subquery. ... [#14203](https://github.com/ClickHouse/ClickHouse/pull/14203) ([Dongdong Yang](https://github.com/donge)).
* Backported in [#14307](https://github.com/ClickHouse/ClickHouse/issues/14307): Fix segfault in `clickhouse-odbc-bridge` during schema fetch from some external sources. This PR fixes [#13861](https://github.com/ClickHouse/ClickHouse/issues/13861). [#14267](https://github.com/ClickHouse/ClickHouse/pull/14267) ([Vitaly Baranov](https://github.com/vitlibar)).
* Backported in [#14342](https://github.com/ClickHouse/ClickHouse/issues/14342): Fix crash during `ALTER` query for table which was created `AS table_function`. Fixes [#14212](https://github.com/ClickHouse/ClickHouse/issues/14212). [#14326](https://github.com/ClickHouse/ClickHouse/pull/14326) ([alesapin](https://github.com/alesapin)).
* Backported in [#14364](https://github.com/ClickHouse/ClickHouse/issues/14364): Stop query execution if exception happened in `PipelineExecutor` itself. This could prevent rare possible query hung. [#14334](https://github.com/ClickHouse/ClickHouse/pull/14334) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#14507](https://github.com/ClickHouse/ClickHouse/issues/14507): Stop query execution if exception happened in `PipelineExecutor` itself. This could prevent rare possible query hung. Continuation of [#14334](https://github.com/ClickHouse/ClickHouse/issues/14334). [#14402](https://github.com/ClickHouse/ClickHouse/pull/14402) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#14486](https://github.com/ClickHouse/ClickHouse/issues/14486): Fix bug which leads to wrong merges assignment if table has partitions with a single part. [#14444](https://github.com/ClickHouse/ClickHouse/pull/14444) ([alesapin](https://github.com/alesapin)).
* Backported in [#14482](https://github.com/ClickHouse/ClickHouse/issues/14482): Check for array size overflow in `topK` aggregate function. Without this check the user may send a query with carefully crafter parameters that will lead to server crash. This closes [#14452](https://github.com/ClickHouse/ClickHouse/issues/14452). [#14467](https://github.com/ClickHouse/ClickHouse/pull/14467) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#14601](https://github.com/ClickHouse/ClickHouse/issues/14601): Fix rare segfaults in functions with combinator -Resample, which could appear in result of overflow with very large parameters. [#14562](https://github.com/ClickHouse/ClickHouse/pull/14562) ([Anton Popov](https://github.com/CurtizJ)).
* Backported in [#14728](https://github.com/ClickHouse/ClickHouse/issues/14728): Cleanup data directory after Zookeeper exceptions during CreateQuery for StorageReplicatedMergeTree Engine. [#14563](https://github.com/ClickHouse/ClickHouse/pull/14563) ([Bharat Nallan](https://github.com/bharatnc)).
* Backported in [#14665](https://github.com/ClickHouse/ClickHouse/issues/14665): Fix wrong Decimal multiplication result caused wrong decimal scale of result column. [#14603](https://github.com/ClickHouse/ClickHouse/pull/14603) ([Artem Zuikov](https://github.com/4ertus2)).
* Backported in [#14806](https://github.com/ClickHouse/ClickHouse/issues/14806): Fix bug when `ALTER UPDATE` mutation with Nullable column in assignment expression and constant value (like `UPDATE x = 42`) leads to incorrect value in column or segfault. Fixes [#13634](https://github.com/ClickHouse/ClickHouse/issues/13634), [#14045](https://github.com/ClickHouse/ClickHouse/issues/14045). [#14646](https://github.com/ClickHouse/ClickHouse/pull/14646) ([alesapin](https://github.com/alesapin)).
* Backported in [#14720](https://github.com/ClickHouse/ClickHouse/issues/14720): Fixed missed default database name in metadata of materialized view when executing `ALTER ... MODIFY QUERY`. [#14664](https://github.com/ClickHouse/ClickHouse/pull/14664) ([Alexander Tokmakov](https://github.com/tavplubix)).
* Backported in [#14911](https://github.com/ClickHouse/ClickHouse/issues/14911): Fix SIGSEGV for an attempt to INSERT into StorageFile(fd). [#14887](https://github.com/ClickHouse/ClickHouse/pull/14887) ([Azat Khuzhin](https://github.com/azat)).
* Backported in [#14942](https://github.com/ClickHouse/ClickHouse/issues/14942): Fix the issue when some invocations of `extractAllGroups` function may trigger "Memory limit exceeded" error. This fixes [#13383](https://github.com/ClickHouse/ClickHouse/issues/13383). [#14889](https://github.com/ClickHouse/ClickHouse/pull/14889) ([Alexey Milovidov](https://github.com/alexey-milovidov)).