3.3.1 (2023-12-14)
Fixed bugs:
* Fixed issue #2220: Test failure
* Fixed issue #2221: Crash when other extensions run PHP code without the
stack being initialised yet
* Fixed issue #2223: Xdebug's constants are not available with
`xdebug.mode=off`
* Fixed issue #2226: xdebug_get_function_stack(['from_exception']) does not
always find stored trace
* Fixed issue #2227: Crash with return value and observers
* Fixed issue #2228: Return value can not be fetched with property_get if
top frame is an internal function
ecce94577d