The first maintenance release after the major update is here! WordPress 5.9.1 Maintenance Release is now available for download and you can start testing the new version. WordPress issued this maintenance release yesterday on February 22, 2022. The update carries many crucial updates with it.
The WordPress 5.9.1 update is a maintenance release and includes a total of 82 bug fixes in both Core and the block editor.
According to the official release announcement, WordPress 5.9.1 release is a short-cycle maintenance release. The next major release will be version 6.0.
You can either directly download v5.9.1 or venture over to Dashboard > Updates and simply click “Update Now”. Check out some of the easiest ways to update WordPress. Websites that support automatic background updates are already beginning to update to v5.9.1.
Even though this is only a maintenance release, we advise all of you to update your sites as soon as possible and stay up-to-date.
Source: WordPress News