* Fix bug with writing secondary indices marks with adaptive granularity. ... [#6126](https://github.com/yandex/ClickHouse/pull/6126)([alesapin](https://github.com/alesapin))
* Fix `WITH ROLLUP` and `WITH CUBE` modifiers of `GROUP BY` with two-level aggregation. ... [#6225](https://github.com/yandex/ClickHouse/pull/6225)([Anton Popov](https://github.com/CurtizJ))
* Fixed hang in `JSONExtractRaw` function. Fixed [#6195](https://github.com/yandex/ClickHouse/issues/6195)[#6198](https://github.com/yandex/ClickHouse/pull/6198) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix segfault in ExternalLoader::reloadOutdated(). [#6082](https://github.com/yandex/ClickHouse/pull/6082)([Vitaly Baranov](https://github.com/vitlibar))
* Fixed the case when server may close listening sockets but not shutdown and continue serving remaining queries. You may end up with two running clickhouse-server processes. Sometimes, the server may return an error `bad_function_call` for remaining queries. [#6231](https://github.com/yandex/ClickHouse/pull/6231)([alexey-milovidov](https://github.com/alexey-milovidov))
* Fixed useless and incorrect condition on update field for initial loading of external dictionaries via ODBC, MySQL, ClickHouse and HTTP. This fixes [#6069](https://github.com/yandex/ClickHouse/issues/6069)[#6083](https://github.com/yandex/ClickHouse/pull/6083) ([alexey-milovidov](https://github.com/alexey-milovidov))
* Fixed irrelevant exception in cast of `LowCardinality(Nullable)` to not-Nullable column in case if it doesn't contain Nulls (e.g. in query like `SELECT CAST(CAST('Hello' AS LowCardinality(Nullable(String))) AS String)`. [#6094](https://github.com/yandex/ClickHouse/issues/6094)[#6119](https://github.com/yandex/ClickHouse/pull/6119) ([Nikolai Kochetov](https://github.com/KochetovNicolai))
* Fix non-deterministic result of "uniq" aggregate function in extreme rare cases. The bug was present in all ClickHouse versions. [#6058](https://github.com/yandex/ClickHouse/pull/6058)([alexey-milovidov](https://github.com/alexey-milovidov))
* Segfault when we set a little bit too high CIDR on the function `IPv6CIDRToRange`. [#6068](https://github.com/yandex/ClickHouse/pull/6068)([Guillaume Tassery](https://github.com/YiuRULE))
* Fixed small memory leak when server throw many exceptions from many different contexts. [#6144](https://github.com/yandex/ClickHouse/pull/6144)([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix the situation when consumer got paused before subscription and not resumed afterwards. [#6075](https://github.com/yandex/ClickHouse/pull/6075)([Ivan](https://github.com/abyss7)) Note that Kafka is broken in this version.
* Clearing the Kafka data buffer from the previous read operation that was completed with an error [#6026](https://github.com/yandex/ClickHouse/pull/6026)([Nikolay](https://github.com/bopohaa)) Note that Kafka is broken in this version.
* Since `StorageMergeTree::background_task_handle` is initialized in `startup()` the `MergeTreeBlockOutputStream::write()` may try to use it before initialization. Just check if it is initialized. [#6080](https://github.com/yandex/ClickHouse/pull/6080)([Ivan](https://github.com/abyss7))
### Build/Testing/Packaging Improvement
* Added official `rpm` packages. [#5740](https://github.com/yandex/ClickHouse/pull/5740)([proller](https://github.com/proller)) ([alesapin](https://github.com/alesapin))
* Add an ability to build `.rpm` and `.tgz` packages with `packager` script. [#5769](https://github.com/yandex/ClickHouse/pull/5769)([alesapin](https://github.com/alesapin))
* Fixes for "Arcadia" build system. [#6223](https://github.com/yandex/ClickHouse/pull/6223)([proller](https://github.com/proller))
### Backward Incompatible Change
*`Kafka` is broken in this version.
## ClickHouse release 19.11.3.11, 2019-07-18
### New Feature
...
...
@@ -35,6 +61,7 @@
* clickhouse-copier: Fix use-after free on shutdown [#5752](https://github.com/yandex/ClickHouse/pull/5752)([proller](https://github.com/proller))
* Updated `simdjson`. Fixed the issue that some invalid JSONs with zero bytes successfully parse. [#5938](https://github.com/yandex/ClickHouse/pull/5938)([alexey-milovidov](https://github.com/alexey-milovidov))
* Fix shutdown of SystemLogs [#5802](https://github.com/yandex/ClickHouse/pull/5802)([Anton Popov](https://github.com/CurtizJ))
* Fix hanging when condition in invalidate_query depends on a dictionary. [#6011](https://github.com/yandex/ClickHouse/pull/6011)([Vitaly Baranov](https://github.com/vitlibar))
### Improvement
* Allow unresolvable addresses in cluster configuration. They will be considered unavailable and tried to resolve at every connection attempt. This is especially useful for Kubernetes. This fixes [#5714](https://github.com/yandex/ClickHouse/issues/5714)[#5924](https://github.com/yandex/ClickHouse/pull/5924) ([alexey-milovidov](https://github.com/alexey-milovidov))
...
...
@@ -55,13 +82,12 @@
* Inverting ngramSearch to be more intuitive [#5807](https://github.com/yandex/ClickHouse/pull/5807)([Danila Kutenin](https://github.com/danlark1))
* Add user parsing in HDFS engine builder [#5946](https://github.com/yandex/ClickHouse/pull/5946)([akonyaev90](https://github.com/akonyaev90))
* Update default value of `max_ast_elements parameter`[#5933](https://github.com/yandex/ClickHouse/pull/5933)([Artem Konovalov](https://github.com/izebit))
* Added a notion of obsolete settings. The obsolete setting `allow_experimental_low_cardinality_type` can be used with no effect. [0f15c01c6802f7ce1a1494c12c846be8c98944cd](https://github.com/yandex/ClickHouse/commit/0f15c01c6802f7ce1a1494c12c846be8c98944cd)[Alexey Milovidov](https://github.com/alexey-milovidov)
### Performance Improvement
* Increase number of streams to SELECT from Merge table for more uniform distribution of threads. Added setting `max_streams_multiplier_for_merge_tables`. This fixes [#5797](https://github.com/yandex/ClickHouse/issues/5797)[#5915](https://github.com/yandex/ClickHouse/pull/5915) ([alexey-milovidov](https://github.com/alexey-milovidov))
### Build/Testing/Packaging Improvement
* Added official `rpm` packages. [#5740](https://github.com/yandex/ClickHouse/pull/5740)([proller](https://github.com/proller)) ([alesapin](https://github.com/alesapin))
* Add an ability to build `.rpm` and `.tgz` packages with `packager` script. [#5769](https://github.com/yandex/ClickHouse/pull/5769)([alesapin](https://github.com/alesapin))
* Add a backward compatibility test for client-server interaction with different versions of clickhouse. [#5868](https://github.com/yandex/ClickHouse/pull/5868)([alesapin](https://github.com/alesapin))
* Test coverage information in every commit and pull request. [#5896](https://github.com/yandex/ClickHouse/pull/5896)([alesapin](https://github.com/alesapin))
* Cooperate with address sanitizer to support our custom allocators (`Arena` and `ArenaWithFreeLists`) for better debugging of "use-after-free" errors. [#5728](https://github.com/yandex/ClickHouse/pull/5728)([akuzm](https://github.com/akuzm))
