### ClickHouse release v20.10.5.10-stable FIXME as compared to v20.10.4.1-stable

#### Improvement
* Backported in [#17031](https://github.com/ClickHouse/ClickHouse/issues/17031): Make it possible to connect to `clickhouse-server` secure endpoint which requires SNI. This is possible when `clickhouse-server` is hosted behind TLS proxy. [#16938](https://github.com/ClickHouse/ClickHouse/pull/16938) ([filimonov](https://github.com/filimonov)).

#### Bug Fix
* Backported in [#17107](https://github.com/ClickHouse/ClickHouse/issues/17107): fixes [#16574](https://github.com/ClickHouse/ClickHouse/issues/16574) fixes [#16231](https://github.com/ClickHouse/ClickHouse/issues/16231) fix remote query failure when using 'if' suffix aggregate function. [#16610](https://github.com/ClickHouse/ClickHouse/pull/16610) ([Winter Zhang](https://github.com/zhang2014)).
* Backported in [#17022](https://github.com/ClickHouse/ClickHouse/issues/17022): Fix crash when using `any` without any arguments. This is for [#16803](https://github.com/ClickHouse/ClickHouse/issues/16803) . cc @azat. [#16826](https://github.com/ClickHouse/ClickHouse/pull/16826) ([Amos Bird](https://github.com/amosbird)).
* Backported in [#16878](https://github.com/ClickHouse/ClickHouse/issues/16878): Abort multipart upload if no data was written to WriteBufferFromS3. [#16840](https://github.com/ClickHouse/ClickHouse/pull/16840) ([Pavel Kovalenko](https://github.com/Jokser)).
* Backported in [#16949](https://github.com/ClickHouse/ClickHouse/issues/16949): Prevent clickhouse server crashes when using TimeSeriesGroupSum. [#16865](https://github.com/ClickHouse/ClickHouse/pull/16865) ([filimonov](https://github.com/filimonov)).
* Backported in [#17075](https://github.com/ClickHouse/ClickHouse/issues/17075): Fix possible error `Illegal type of argument` for queries with `ORDER BY`. Fixes [#16580](https://github.com/ClickHouse/ClickHouse/issues/16580). [#16928](https://github.com/ClickHouse/ClickHouse/pull/16928) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Backported in [#17008](https://github.com/ClickHouse/ClickHouse/issues/17008): Install script should always create subdirs in config folders. This is only relevant for Docker build with custom config. [#16936](https://github.com/ClickHouse/ClickHouse/pull/16936) ([filimonov](https://github.com/filimonov)).
* Backported in [#16967](https://github.com/ClickHouse/ClickHouse/issues/16967): Blame info was not calculated correctly in `clickhouse-git-import`. [#16959](https://github.com/ClickHouse/ClickHouse/pull/16959) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
* Backported in [#17012](https://github.com/ClickHouse/ClickHouse/issues/17012): Fix possible server crash after `ALTER TABLE ... MODIFY COLUMN ... NewType` when `SELECT` have `WHERE` expression on altering column and alter doesn't finished yet. [#16968](https://github.com/ClickHouse/ClickHouse/pull/16968) ([Amos Bird](https://github.com/amosbird)).
* Backported in [#17038](https://github.com/ClickHouse/ClickHouse/issues/17038): Reresolve the IP of the `format_avro_schema_registry_url` in case of errors. [#16985](https://github.com/ClickHouse/ClickHouse/pull/16985) ([filimonov](https://github.com/filimonov)).
* Backported in [#17092](https://github.com/ClickHouse/ClickHouse/issues/17092): Fixed wrong result in big integers (128, 256 bit) when casting from double. [#16986](https://github.com/ClickHouse/ClickHouse/pull/16986) ([Mike Kot](https://github.com/myrrc)).
* Backported in [#17169](https://github.com/ClickHouse/ClickHouse/issues/17169): Fix bug when `ON CLUSTER` queries may hang forever for non-leader ReplicatedMergeTreeTables. [#17089](https://github.com/ClickHouse/ClickHouse/pull/17089) ([alesapin](https://github.com/alesapin)).
