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ClickHouse® is a real-time analytics database management system
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Click House v26.2.1.1139-stable

Click House: v26.2.1.1139-stable Release

Release date:
February 27, 2026
Previous version:
v26.2.1.1-new (released January 26, 2026)
Magnitude:
6,639 Diff Delta
Contributors:
40 total committers
Data confidence:
Commits:
456 impacting commits

1143 Features Released with v26.2.1.1139-stable

Fix crash due to exception inside NOEXCEPT_SCOPE in Transaction::commit
#96023
Fix zero‑copy unlock check before part dir move
#95597
Fix ACME account key race condition in multi-node setup
#96144
Add valid_until to system.users
#96072
Add new Keeper Feature Flags in testing
#96067
Speed up `uniq` over numeric types by batching inserts when possible
#95904
Fix ALTER UPDATE crash on object storage engines
#96162
Split test 03553_json_shared_data_advanced_serialization to make it faster
#95953
Fix skipping paths in JSON data type
#95948
Fix reading size subcolumn from dynamic subcolumns
#95573
Fix logical error exception in `__getScalar` with non-constant argument
#96140
Add `distanceCosine` alias
#96065
Fix logical error in `arrayWithConstant` with `FixedString` argument
#96141
Fix `if` function type mismatch between UInt64 and Int32
#96012
Docs: add missing information about projection merge behavior configuration
#96039
Add role-based access to Glue catalog
#90825
Sync code
#96102
CI: Longer s3 retention for subset of clickhouse binaries on master branch
#96056
Possible missing infinite recursion check missing
#78360
ALTER UPDATE AzureBlobStorage SEGV
#92994
Fix `LOGICAL_ERROR` exception when `SYSTEM DROP REPLICA` receives empty ZKPATH
#96268
Fix `03562_parallel_replicas_remote_with_cluster`
#96267
Add `mutations_sync = 2` to `00062_replicated_merge_tree_alter_zookeeper_long`
#96264
Add SQL access storage to embedded server config
#95481
Stabilise `point_in_polygon_3d_huge_multipolygon` performance test
#96331
Trying to fix flaky `test_backup_restore_s3`
#96298
Wait for Keeper to start after restart in `test_keeper_session_refuse_stale_server`
#96301
Increase wait timeouts in `test_storage_s3_queue`
#96303
Fix flaky `test_filesystem_split_cache integration`
#96304
Ignore `KEEPER_EXCEPTION` in stress test smoke check
#96308

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Top Contributors in v26.2.1.1139-stable

robot-clickhouse
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