Upgrading minor releases
Minor release upgrades are released regularly by all software developers, and PostgreSQL has had its share of corrections. When a minor release occurs, we bump the last number, usually by one. So, the first release of a major release such as 14 is 14.0. The first set of bug fixes is 14.1, then 14.2, and so on.
The PostgreSQL community releases new bug fixes quarterly. If you want bug fixes more frequently than that, you will need to subscribe to a PostgreSQL support company. This recipe is about moving from a minor release to a minor release.
First, get hold of the new release, by downloading either the source or fresh binaries.
How to do it…
In most cases, PostgreSQL aims for minor releases to be simple upgrades. We put in great efforts to keep the on-disk format the same for both data/index files and transaction log (WAL) files, but this isn't always the case; some files...