2025 Changelog

ClickHouse release v25.3.2.39-lts (3ec1fd3f690) FIXME as compared to v25.3.1.2703-lts (b684e195f96)

Bug Fix (user-visible misbehavior in an official stable release)

• Backported in #77947: Fix crash because of expired context in StorageS3(Azure)Queue. #77720 (Kseniia Sumarokova).
• Backported in #78087: Hide credentials in RabbitMQ, Nats, Redis, AzureQueue table engines. #77755 (Kseniia Sumarokova).
• Backported in #78038: Fix undefined behaviour on NaN comparison in ArgMin/ArgMax. #77756 (Raúl Marín).
• Backported in #78280: Fix possible crash when NOT_FOUND_COLUMN_IN_BLOCK error occurs. #77854 (Vladimir Cherkasov).
• Backported in #78050: Disable fuzzy search for history in SSH server (since it requires skim). #78002 (Azat Khuzhin).
• Backported in #78105: Fix "The requested output format {} is binary... Do you want to output it anyway? [y/N]" prompt. #78095 (Azat Khuzhin).
• Backported in #78116: Disallow specifying an empty session_id query parameter for HTTP interface. #78098 (Alexey Katsman).
• Backported in #78136: Fix crash in NATS engine. #78108 (Dmitry Novikov).
• Backported in #78121: Do not try to create history_file in embedded client for SSH. #78112 (Azat Khuzhin).
• Backported in #78147: Fix system.detached_tables displaying incorrect information after RENAME DATABASE or DROP TABLE queries. #78126 (Nikolay Degterinsky).
• Backported in #78199: Fix for checks for too many tables with Database Replicated after https://github.com/ClickHouse/ClickHouse/pull/77274. Also, perform the check before creating the storage to avoid creating unaccounted nodes in ZooKeeper in the case of RMT or KeeperMap. #78127 (Nikolay Degterinsky).
• Backported in #78158: groupArray* functions now produce BAD_ARGUMENTS error for Int-typed 0 value of max_size argument, like it's already done for UInt one, instead of trying to execute with it. #78140 (Eduard Karacharov).
• Backported in #78233: Prevent crash on recoverLostReplica if the local table is removed before it's detached. #78173 (Raúl Marín).
• Backported in #78239: Fix "alterable" column in system.s3_queue_settings returning always false. #78187 (Kseniia Sumarokova).
• Backported in #78312: Fixed crashes / incorrect result for mapFromArrays in case of LowCardinality(Nullable) type of keys array. #78240 (Eduard Karacharov).

NO CL ENTRY

• NO CL ENTRY: 'Revert "Backport #72833 to 25.3: Support low cardinality decimal data types"'. #78078 (Raúl Marín).

NOT FOR CHANGELOG / INSIGNIFICANT

• Backported in #78030: Support for non-constant THEN argument in CASE. #77995 (Yarik Briukhovetskyi).
• Backported in #78048: Fix table header highlighting for SSH server. #78011 (Azat Khuzhin).
• Backported in #78297: ci: fix hangs during sending system.*_log to ci-logs. #78266 (Azat Khuzhin).