PostgreSQL 10 RC 1 requires an upgrade from beta 4, or earlier either
using pg_dump / pg_restore or pg_upgrade.
Any bug fixes applied to 9.6 or earlier that also affected 10 are
included in RC 1, as well issues that were reported with Beta 4.
Changes Since Beta 4
PostgreSQL 10 RC 1 contains fixes for issues discovered by users when
testing Beta 4, including:
* Add psql variables showing server version and psql version.
* Several fixes for partitioning
* Several fixes for logical replication
* Several fixes for transition tables
* Fix for query that could end up in an uninterruptible state
Note that some known issues remain unfixed. Before reporting a bug in
the release candidate, please check the Open Items page.
URL: https://wiki.postgresql.org/wiki/New_in_postgres_10
URL: https://www.postgresql.org/docs/devel/static/release-10.html
The PostgreSQL Global Development Group announces today that the
third beta release of PostgreSQL 10 is available for download. This
release contains previews of all of the features which will be
available in the final release of version 10, including fixes to many
of the issues found in the second beta. Users are encouraged to begin
testing their applications against 10 beta3.
URL: https://www.postgresql.org/about/news/1771/
