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ClickHouse release v21.6.7.57-stable FIXME as compared to v21.6.6.51-stable
Bug Fix
- Backported in #25955: Fix
ALTER MODIFY COLUMNof columns, which participates in TTL expressions. #25554 (Anton Popov). - Backported in #25959: Fix extremely long backoff for background tasks when the background pool is full. Fixes #25836. #25893 (alesapin).
- Backported in #26096: Fix wrong thread estimation for right subquery join in some cases. Close #24075. #26052 (Vladimir C).
- Backported in #26143: Fix possible crash in
pointInPolygonif the settingvalidate_polygonsis turned off. #26113 (Alexey Milovidov).