Upgrading to PostgreSQL 13 RC 1
-------------------------------
-To upgrade to PostgreSQL 13 RC 1 from Beta 3 or an earlier version of
-PostgreSQL 13, you will need to use a strategy similar to upgrading between
-major versions of PostgreSQL (e.g. `pg_upgrade` or `pg_dump` / `pg_restore`).
-For more information, please visit the documentation section on
-[upgrading](https://www.postgresql.org/docs/13/static/upgrading.html).
+To upgrade to PostgreSQL 13 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/13/static/upgrading.html):
+
+[https://www.postgresql.org/docs/13/static/upgrading.html](https://www.postgresql.org/docs/13/static/upgrading.html)
Changes Since 13 Beta 3
-----------------------
-There have been many bug fixes for PostgreSQL 13 reported during the Beta 3
-period and applied to this release candidate. These include:
+Several bug fixes were applied for PostgreSQL 13 during the Beta 3 period. These
+include:
* Adjustments to the costing model for hash aggregates that spill to disk.
* Adjustments to the output of `EXPLAIN (BUFFERS)`.