ClickHouse/docs/changelogs/v21.10.5.3-stable.md

ClickHouse release v21.10.5.3-stable FIXME as compared to v21.10.4.26-stable

Bug Fix

• Backported in #32252: Fix skipping columns while writing protobuf. This PR fixes #31160, see the comment #31160#issuecomment-980595318. #31988 (Vitaly Baranov).
• Backported in #32346: Fix bug when remove unneeded columns in subquery. If there is an aggregation function in query without group by, do not remove if it is unneeded. #32289 (dongyifeng).

Bug Fix (user-visible misbehaviour in official stable or prestable release)

• Backported in #32151: Fix crash when function dictGet with type is used for dictionary attribute when type is Nullable. Fixes #30980. #31800 (Maksim Kita).
• Backported in #32093: Some GET_PART entry might hang in replication queue if part is lost on all replicas and there are no other parts in the same partition. It's fixed in cases when partition key contains only columns of integer types or Date[Time]. Fixes #31485. #31887 (Alexander Tokmakov).
• Backported in #32147: Fixed Directory ... already exists and is not empty error when detaching part. #32063 (Alexander Tokmakov).
• Backported in #32216: Number of active replicas might be determined incorrectly when inserting with quorum if setting replicated_can_become_leader is disabled on some replicas. It's fixed. #32157 (Alexander Tokmakov).
• Backported in #32352: Fixed crash with SIGFPE in aggregate function avgWeighted with Decimal argument. Fixes #32053. #32303 (Alexander Tokmakov).
• Backported in #32393: Fix ALTER ... MATERIALIZE COLUMN ... queries in case when data type of default expression is not equal to the data type of column. #32348 (Anton Popov).