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ClickHouseยฎ is a real-time analytics database management system
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Click House v25.8.29.51-lts

Click House: v25.8.29.51-lts Release

Release date:
August 4, 2026
Previous version:
v25.8.28.1-lts (released July 4, 2026)
Magnitude:
52 Diff Delta
Contributors:
4 total committers
Data confidence:
Commits:
28 impacting commits

31 Features Released with v25.8.29.51-lts

Fix race between ALTER RENAME COLUMN and merge causing data loss (#80648)
#104822
Duplicate KV argument in `s3(...)` throws `LOGICAL_ERROR` instead of `BAD_ARGUMENTS`
#104267
Enforce access control for MySQL COM_FIELD_LIST and COM_INIT_DB
#108508
Use explicit flag for secondary on cluster queries
#104881
Fix SQL injection in ExternalQueryBuilder via incorrect string escaping
#104009
Fix TSan data race in uniqExact two-level parallel merge
#109389
Implement http header validation for DataLakeCatalog
#98827
read auth_response length as UInt8 in MySQL handshake
#107384
Fix: fix Credential leak in query_log for paimon*Cluster and deltaLakeS3 tโ€ฆ
#100529
Fix duplicate `arrayJoin` execution in JOIN ON with new logical join step
#104785
Match http_forbid_headers case-insensitively
#108509
Fix heap-buffer-overflow when serializing a shared quantileTDigest state
#110263
Fix projection incorrectly reading a newly-added column as the type default instead of its DEFAULT value
#108569
fix column order for distributed alias columns
#107675
Fix OOB segfault in `groupArrayLastMerge`
#109485
Fix 03918 arrayJoin-join-on test on 25.8: drop query variants using settings absent on 25.8
#108785
Don't check empty schema in SchemaProcessor
#108945
Backport #104881 to 25.8: Use explicit flag for secondary on cluster queries
#109303
Backport #109389 to 25.8: Fix TSan data race in uniqExact two-level parallel merge
#109625
Backport #108509 to 25.8: Match http_forbid_headers case-insensitively
#109568
Backport #104785 to 25.8: Fix duplicate `arrayJoin` execution in JOIN ON with new logical join step
#108571
Backport #104822 to 25.8: Fix race between ALTER RENAME COLUMN and merge causing data loss (#80648)
#109335
Backport #100529 to 25.8: Fix: fix Credential leak in query_log for paimon*Cluster and deltaLakeS3 tโ€ฆ
#109610
Bump libarchive from 3.8.7 to 3.8.8
#109874
Backport #98827 to 25.8: Implement http header validation for DataLakeCatalog
#109546
Backport #108508 to 25.8: Enforce access control for MySQL COM_FIELD_LIST and COM_INIT_DB
#109631
CI: Pass -Zsanitizer=address to Rust in the combined address,undefined build
#109950
Backport #109950 to 25.8: CI: Pass -Zsanitizer=address to Rust in the combined address,undefined build
#109982
Backport #109874 to 25.8: Bump libarchive from 3.8.7 to 3.8.8
#109913
Backport #97682 to 25.8: Fix row policy bypass via `loop` table function
#109324

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Top Contributors in v25.8.29.51-lts

robot-clickhouse
Algunenano
tiandiwonder
alexey-milovidov

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