8.2
Merge branch '6.4' into 7.4
Merge branch '8.0' into 8.1
[ErrorHandler] Redesign the exception page
Fix getting the name of closures on PHP 8.1.11+
Add PR template and auto-close PR on subtree split repositories
Add a new ErrorHandler component (mirror of the Debug component)
Merge branch '6.4' into 7.3
[ErrorHandler] Various fixes and hardenings
Silence E_DEPRECATED and E_USER_DEPRECATED
Mark callbacks with @param-immediately-invoked-callable where applicable
Update license years (last time)
Add call to backers in README files
Add union types
Bump to php >= 8.4.1
Update XSD references in phpunit.xml.dist files