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ClickHouse/docs/changelogs/v20.8.16.20-lts.md

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ClickHouse release v20.8.16.20-lts FIXME as compared to v20.8.15.11-lts

Bug Fix

  • Backported in #22091: In case if query has constant WHERE condition, and setting optimize_skip_unused_shards enabled, all shards may be skipped and query could return incorrect empty result. #21550 (Amos Bird).
  • Backported in #22049: Fix deadlock in first catboost model execution. Closes #13832. #21844 (Kruglov Pavel).