E.4. Release 13.18
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## E.4. Release 13.18

Release date: 2024-11-21

This release contains a few fixes from 13.17. For information about new features in major release 13, see Section E.22.

### E.4.1. Migration to Version 13.18

A dump/restore is not required for those running 13.X.

However, if you are upgrading from a version earlier than 13.17, see Section E.5.

### E.4.2. Changes

- Restore functionality of `ALTER {ROLE|DATABASE} SET role` (Tom Lane, Noah Misch) §

  The fix for CVE-2024-10978 accidentally caused settings for `role` to not be applied if they come from non-interactive sources, including previous `ALTER {ROLE|DATABASE}` commands and the `PGOPTIONS` environment variable.

- Fix cases where a logical replication slot's `restart_lsn` could go backwards (Masahiko Sawada) §

  Previously, restarting logical replication could sometimes cause the slot's restart point to be recomputed as an older value than had previously been advertised in `pg_replication_slots`. This is bad, since for example WAL files might have been removed on the basis of the later `restart_lsn` value, in which case replication would fail to restart.

- Count index scans in `contrib/bloom` indexes in the statistics views, such as the `pg_stat_user_indexes`.`idx_scan` counter (Masahiro Ikeda) §

- Fix crash when checking to see if an index's opclass options have changed (Alexander Korotkov) §

  Some forms of `ALTER TABLE` would fail if the table has an index with non-default operator class options.

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