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In CockroachDB v22.2.0, v22.2.1, v22.2.2, and v22.2.3, new Prometheus histogram buckets were defined for metrics to reduce the overall number of timeseries metrics generated per Prometheus histogram to 15, from a previously dynamically generated number of buckets exceeding 100 buckets. We had received feedback from customers that prior versions of CockroachDB generated an unmanageable number of histogram buckets, which is what led to this change.

Enable SCRAM for new passwords. In CockroachDB v22.2.x and above, this cluster setting defaults to scram-sha-256. In CockroachDB v22.1.x and below, it defaults to bcrypt.

Specific role options which have had corresponding system-level privileges introduced in CockroachDB v22.2 are now deprecated.Supported in CockroachDB v22.2, alongside the new system-level privileges.Apply only to specific users, and are not inheritable via role membership.Are granted with the GRANT statement, and viewed with the SHOW GRANTS statement.May be assigned with the GRANT OPTION, which allows the assigned user or role to further grant that same role option to other users or roles.

Starting in v22.2, CockroachDB introduces a new system-level privilege model that provides finer control over a user's privilege to work with the database, including taking backups.

Starting in v22.2, CockroachDB introduces a new restore privilege model that provides finer control over a user's privilege to restore backups.

Starting in v22.2, CockroachDB introduces a new system-level privilege model that provides finer control over a user's privilege to work with the database, including taking backups.

Fixed a slow memory leak that could accumulate when opening many new connections. The bug was present in v22.2.9+ and v23.1+. #120242

Fixed a slow memory leak when opening many new connections. This bug was introduced in v22.2.9 and v23.1.0. #121055

Fixed a bug that caused a slow memory leak that could accumulate when opening many new connections. The bug was present in v22.2.9+ and v23.1+ versions. #119799