PostgreSQL 17rc1 release announcement

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+The PostgreSQL Global Development Group announces that the first release
+candidate of PostgreSQL 17 is now available for download. As a release
+candidate, PostgreSQL 17 RC 1 will be mostly identical to the initial release of
+PostgreSQL 17, though some more fixes may be applied prior to the general
+availability of PostgreSQL 17.
+
+The planned date for the general availability of PostgreSQL 17 is
+September 26, 2024. Please see the "Release Schedule" section for more details.
+
+Upgrading to PostgreSQL 17 RC 1
+-------------------------------
+
+To upgrade to PostgreSQL 17 RC 1 from earlier versions of PostgreSQL, you will
+need to use a major version upgrade strategy, e.g. `pg_upgrade` or
+`pg_dump` / `pg_restore`. For more information, please visit the documentation
+section on [upgrading](https://www.postgresql.org/docs/17/upgrading.html):
+
+[https://www.postgresql.org/docs/17/upgrading.html](https://www.postgresql.org/docs/17/upgrading.html)
+
+Changes Since 17 Beta 3
+-----------------------
+
+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](https://wiki.postgresql.org/wiki/PostgreSQL_17_Open_Items#resolved_before_17rc1)
+page.
+
+Release Schedule
+----------------
+
+This is the first release candidate for PostgreSQL 17. Unless an issue is
+discovered that warrants a delay or to produce an additional release candidate,
+PostgreSQL 17 should be made generally available on September 26, 2024.
+
+For further information please see the
+[Beta Testing](https://www.postgresql.org/developer/beta/) page.
+
+Links
+-----
+
+* [Download](https://www.postgresql.org/download/)
+* [Beta Testing Information](https://www.postgresql.org/developer/beta/)
+* [PostgreSQL 17 Beta Release Notes](https://www.postgresql.org/docs/17/release-17.html)
+* [PostgreSQL 17 Open Issues](https://wiki.postgresql.org/wiki/PostgreSQL_17_Open_Items)
+* [Feature Matrix](https://www.postgresql.org/about/featurematrix/#configuration-management)
+* [Submit a Bug](https://www.postgresql.org/account/submitbug/)
+* [Follow @postgresql on X/Twitter](https://twitter.com/postgresql)
+* [Donate](https://www.postgresql.org/about/donate/)