Several bug fixes were applied for PostgreSQL 17 during the Beta 3 period. These include: - Revert the MERGE/SPLIT partition feature. - Fix for feature that improves performance around logical decoding of subtransactions. For a detailed list of fixes, please visit the open items [1] page. [1]: https://wiki.postgresql.org/wiki/PostgreSQL_17_Open_Items#resolved_before_17rc1 Release notes: https://www.postgresql.org/about/news/postgresql-17-rc1-released-2926/