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ClickHouseยฎ is a real-time analytics database management system
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Click House v25.12.7.21-stable

Click House: v25.12.7.21-stable Release

Release date:
February 25, 2026
Previous version:
v25.12.6.38-stable (released February 19, 2026)
Magnitude:
43 Diff Delta
Contributors:
2 total committers
Data confidence:
Commits:
17 impacting commits

35 Features Released with v25.12.7.21-stable

Fix partition pruning (indexes) for row policy/PREWHERE with FINAL
#97076
Fix: possible race condition on EXCHANGE TABLES query with sharded cache
#97411
Fix SEGFAULT in supportsTrivialCountOptimization due to null dereference
#97281
Add additional validations of ColumnVariant state
#97282
Fix `ACCESS_DENIED` error for users when `optimize_inverse_dictionary_lookup` optimization is used
#97484
Make convertToFullIfNeeded recursive for compound column types
#97493
Consider row policy for read in order optimization
#97538
Fix null pointer dereference in applyPatchesToBlockRaw
#97583
Fix ColumnConst not materialized before squashing
#97019
Fix reading Sparse column and its subcolumn together in Wide parts
#97515
Fix crash in BaseSettings::readBinary
#97585
Correct the check for RPN length in skip index processing with ORs
#97698
fix a possible use after free in StorageKafka2::activate()
#97520
Remove TABLE_UUID_MISMATCH check for non-analyzer
#97323
Enable apply_row_policy_after_final by default.
#97279
Backport #97076 to 25.12: Fix partition pruning (indexes) for row policy/PREWHERE with FINAL
#97964
Backport #97411 to 25.12: Fix: possible race condition on EXCHANGE TABLES query with sharded cache
#97993
Backport #97538 to 25.12: Consider row policy for read in order optimization
#97877
Backport #97019 to 25.12: Fix ColumnConst not materialized before squashing
#97763
Backport #97515 to 25.12: Fix reading Sparse column and its subcolumn together in Wide parts
#97797
Backport #97698 to 25.12: Correct the check for RPN length in skip index processing with ORs
#97753
Backport #97585 to 25.12: Fix crash in BaseSettings::readBinary
#97718
Backport #95480 to 25.12: Add missing SELECT grant check in `mergeTreeProjection` table function
#95490
Backport #95032 to 25.12: Throw on invalid replicated access entities
#95338
Backport #97493 to 25.12: Make convertToFullIfNeeded recursive for compound column types
#97629
Backport #97520 to 25.12: fix a possible use after free in StorageKafka2::activate()
#97611
Backport #97583 to 25.12: Fix null pointer dereference in applyPatchesToBlockRaw
#97601
Backport #96840 to 25.12: Better jemalloc introspection
#96905
Backport #97484 to 25.12: Fix `ACCESS_DENIED` error for users when `optimize_inverse_dictionary_lookup` optimization is used
#97578
Backport #95907 to 25.12: Fix executing tupleElement on JSON with nested paths
#97185

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robot-clickhouse
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