DO NOT TEST ON A LIVE/PRODUCTION SITE but rather on a copy of a production site with the owners permission.
Directions on how to test and what to test can be found at https://docs.joomla.org/Pre-Release_Testing
See the list of bugs addressed by this release.
Specific tests Production would like:
- Multi-factor authentication (https://github.com/joomla/joomla-cms/pull/37912)
- Allow typing in the media field (https://github.com/joomla/joomla-cms/pull/37654)
- Smart Search: Allow fuzzy word matching (https://github.com/joomla/joomla-cms/pull/36752)
- Accessibility plugin update and fixes (https://github.com/joomla/joomla-cms/pull/38009)
- PHP 8.1 use
- Update from Joomla 3 -> Joomla 4.2.0
- Update from Joomla 4 -> Joomla 4.2.0
- Normal testing
Thank you for helping Production test this next release of Joomla.