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* Add setting `index_granularity_bytes` (adaptive index granularity) for MergeTree* tables family. [#4826](https://github.com/yandex/ClickHouse/pull/4826) ([alesapin](https://github.com/alesapin))
### Improvements
* Added support for non-constant and negative size and length arguments for function 'substringUTF8'. [#4989](https://github.com/yandex/ClickHouse/pull/4989) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Disable push-down to right table in left join, left table in right join, and both tables in full join. This fixes wrong JOIN results in some cases. [#4846](https://github.com/yandex/ClickHouse/pull/4846) ([Ivan](https://github.com/abyss7))
* Copier: auto upload task configuration from --task-file option [#4876](https://github.com/yandex/ClickHouse/pull/4876) ([proller](https://github.com/proller))
* `clickhouse-copier`: auto upload task configuration from `--task-file` option [#4876](https://github.com/yandex/ClickHouse/pull/4876) ([proller](https://github.com/proller))
* Added typos handler for storage factory and table functions factory. [#4891](https://github.com/yandex/ClickHouse/pull/4891) ([Danila Kutenin](https://github.com/danlark1))
* Support asterisks and qualified asterisks for multiple joins without subqueries [#4898](https://github.com/yandex/ClickHouse/pull/4898) ([Artem Zuikov](https://github.com/4ertus2))
* Make missing column error message more user friendly. [#4915](https://github.com/yandex/ClickHouse/pull/4915) ([Artem Zuikov](https://github.com/4ertus2))
* Use another allocator for MarkCache and UncompressedCache to catch segfaults faster. [#4928](https://github.com/yandex/ClickHouse/pull/4928) ([Danila Kutenin](https://github.com/danlark1))
* Deduplicate pointers in ASTSelectQuery and its children cause they could became not consistent. [#4952](https://github.com/yandex/ClickHouse/pull/4952) ([Artem Zuikov](https://github.com/4ertus2))
* Added support for non-constant and negative size and length arguments for function 'substringUTF8'. [#4989](https://github.com/yandex/ClickHouse/pull/4989) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Use fixed_granularity as upper bound for adaptive granularity. Now block size in rows is bounded by fixed granularity. [#5052](https://github.com/yandex/ClickHouse/pull/5052) ([alesapin](https://github.com/alesapin))
### Performance Improvements
* Significant speedup of ASOF join [#4924](https://github.com/yandex/ClickHouse/pull/4924) ([Martijn Bakker](https://github.com/Gladdy))
* Use radixSort instead of std::sort for ASOF JOIN values. [#4993](https://github.com/yandex/ClickHouse/pull/4993) ([Artem Zuikov](https://github.com/4ertus2))
### Backward Incompatible Changes
* HTTP header `Query-Id` was renamed to `X-ClickHouse-Query-Id` for consistency. [#4972](https://github.com/yandex/ClickHouse/pull/4972) ([Mikhail](https://github.com/fandyushin))
@ -32,13 +29,13 @@
* Fixed potential null pointer dereference in `clickhouse-copier`. [#4900](https://github.com/yandex/ClickHouse/pull/4900) ([proller](https://github.com/proller))
* Fixed error on query with JOIN + ARRAY JOIN [#4938](https://github.com/yandex/ClickHouse/pull/4938) ([Artem Zuikov](https://github.com/4ertus2))
* Fixed hanging on start of the server when a dictionary depends on another dictionary via a database with engine=Dictionary. [#4962](https://github.com/yandex/ClickHouse/pull/4962) ([Vitaly Baranov](https://github.com/vitlibar))
* Partially fix distributed_product_mode=local. It's possible to allow columns of local tables in where/having/order by/... via table aliases. Throw exception if table does not have alias. There's not possible to access to the columns without table aliases yet. [#4986](https://github.com/yandex/ClickHouse/pull/4986) ([Artem Zuikov](https://github.com/4ertus2))
* Fix wrong result for select distinct with join [#5001](https://github.com/yandex/ClickHouse/pull/5001) ([Artem Zuikov](https://github.com/4ertus2))
* Partially fix distributed_product_mode = local. It's possible to allow columns of local tables in where/having/order by/... via table aliases. Throw exception if table does not have alias. There's not possible to access to the columns without table aliases yet. [#4986](https://github.com/yandex/ClickHouse/pull/4986) ([Artem Zuikov](https://github.com/4ertus2))
* Fix potentially wrong result for `SELECT DISTINCT` with `JOIN` [#5001](https://github.com/yandex/ClickHouse/pull/5001) ([Artem Zuikov](https://github.com/4ertus2))
### Build/Testing/Packaging Improvements
* Fixed test failures when running clickhouse-server on different host [#4713](https://github.com/yandex/ClickHouse/pull/4713) ([Vasily Nemkov](https://github.com/Enmk))
* Tests: Disable color control sequences in non tty environment. [#4937](https://github.com/yandex/ClickHouse/pull/4937) ([alesapin](https://github.com/alesapin))
* Tests: Allow use any test database (remove test.hardcode where it possible) [#5008](https://github.com/yandex/ClickHouse/pull/5008) ([proller](https://github.com/proller))
* clickhouse-test: Disable color control sequences in non tty environment. [#4937](https://github.com/yandex/ClickHouse/pull/4937) ([alesapin](https://github.com/alesapin))
* clickhouse-test: Allow use any test database (remove `test.` qualification where it possible) [#5008](https://github.com/yandex/ClickHouse/pull/5008) ([proller](https://github.com/proller))
* Fix ubsan errors [#5037](https://github.com/yandex/ClickHouse/pull/5037) ([Vitaly Baranov](https://github.com/vitlibar))
* Yandex LFAlloc was added to ClickHouse to allocate MarkCache and UncompressedCache data in different ways to catch segfaults more reliable [#4995](https://github.com/yandex/ClickHouse/pull/4995) ([Danila Kutenin](https://github.com/danlark1))
* Python util to help with backports and changelogs. [#4949](https://github.com/yandex/ClickHouse/pull/4949) ([Ivan](https://github.com/abyss7))