Sourced from WordPress.org Documentation.
Summary
This release was led by Tonya Mork and Vicente Canales, with Aaron Jorbin.
WordPress 6.6.2 is a short-cycle maintenance release that features 15 bug fixes in Core and 11 bug fixes for the Block Editor, including fixes related to CSS Specificity producing unexpected changes with some themes.
You can review a summary of the maintenance updates in this release by reading the Release Candidate announcement.
For more information, browse the full list of changes on Trac.