ClickHouse/docs/changelogs/v21.5.9.4-stable.md

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1 2022

2022 Changelog

ClickHouse release v21.5.9.4-stable FIXME as compared to v21.5.8.21-stable

Bug Fix

  • Backported in #25958: Fix extremely long backoff for background tasks when the background pool is full. Fixes #25836. #25893 (alesapin).
  • Backported in #26144: Fix possible crash in pointInPolygon if the setting validate_polygons is turned off. #26113 (Alexey Milovidov).

NOT FOR CHANGELOG / INSIGNIFICANT