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CockroachDB v22.1 is a required Regular Release.

Fixed a bug introduced in v22.1 that could cause a join to infinite-loop in rare cases when the join filter is not an equality and no columns from the left input are returned. #106874

Fixed a bug introduced in v22.1 that could cause a join to infinite-loop in rare cases when (1) the join filter is not an equality and (2) no columns from the left input are returned. #106875

Fixed a bug where CockroachDB could incorrectly evaluate casts to some OID types (e.g., REGCLASS). This issue had been present since at least v22.1. #141959

Fixed a bug where CockroachDB could incorrectly evaluate casts to some OID types (like REGCLASS) in some cases. The bug had been present since at least v22.1. #141958

Fixed a bug where CockroachDB could incorrectly evaluate casts to some OID types (like REGCLASS) in some cases. The bug had been present since at least v22.1. #141956

Previously, the fields maximum memory usage and max sql temp disk usage in the EXPLAIN ANALYZE output could be under-reported for distributed plans when memory-intensive operations were fully performed on the remote nodes. This is now fixed. The bug existed in v22.1 and later. #143777

Fixed a bug where CockroachDB would encounter an internal error when evaluating FETCH ABSOLUTE 0 statements. The bug has been present since v22.1. #134992

Backported the server.user_login.store_client_pre_hashed_passwords.enabled cluster setting to v21.2. The backported default value in v21.2 is false. In v22.1 the default will be true. #73855

Fixed the statistics estimation code in the optimizer so it does not use the empty histograms produced if histogram collection has been disabled during stats collection due to excessive memory utilization. Now the optimizer will rely on distinct counts instead of the empty histograms and should produce better plans as a result. This bug has existed since v22.1. #126156