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sidebar_label: 2025
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# 2025 Changelog

### ClickHouse release v24.8.11.5-lts (a9b661dd2ac) FIXME as compared to v24.8.10.5-lts (cd10bd2f1fa)

#### Bug Fix (user-visible misbehavior in an official stable release)
* Backported in [#74038](https://github.com/ClickHouse/ClickHouse/issues/74038): Fix high memory usage during nested Maps creation. [#73982](https://github.com/ClickHouse/ClickHouse/pull/73982) ([Pavel Kruglov](https://github.com/Avogar)).
* Backported in [#74051](https://github.com/ClickHouse/ClickHouse/issues/74051): Fix: alias can be not added to the projection if it is referenced by another alias and selected in inverse order. [#74033](https://github.com/ClickHouse/ClickHouse/pull/74033) ([Yakov Olkhovskiy](https://github.com/yakov-olkhovskiy)).

