* Fix exception `Cannot convert column ... because it is constant but values of constants are different in source and result` that could happen while using functions `now()`, `today()`, `yesterday()`, `randConstant()`. [#7156](https://github.com/ClickHouse/ClickHouse/pull/7156)([Nikolai Kochetov](https://github.com/KochetovNicolai))
### Improvement
* Optimisation for partial merge join. [#7070](https://github.com/ClickHouse/ClickHouse/pull/7070)([Artem Zuikov](https://github.com/4ertus2))
