PHP Manual
Appendices
Migrating from PHP 8.2.x to PHP 8.3.x
New Features
New Classes and Interfaces
New Functions
New Global Constants
Backward Incompatible Changes
Deprecated Features
Other Changes
Windows Support
Other Changes
Migrating from PHP 8.1.x to PHP 8.2.x
Migrating from PHP 8.2.x to PHP 8.3.x
PHP Manual
Windows Support
Core
Minimum supported Windows version has been bumped to Windows 8 or Windows Server 2012.