7 * deprecated the `ContextErrorException` class: use \ErrorException directly now
12 * `FlattenException::getTrace()` now returns additional type descriptions
13 `integer` and `float`.
19 * removed classes, methods and interfaces deprecated in 2.x
24 * added BufferingLogger for errors that happen before a proper logger is configured
25 * allow throwing from `__toString()` with `return trigger_error($e, E_USER_ERROR);`
26 * deprecate ExceptionHandler::createResponse
31 * added deprecations checking for parent interfaces/classes to DebugClassLoader
32 * added ZTS support to symfony_debug extension
33 * added symfony_debug_backtrace() to symfony_debug extension
34 to track the backtrace of fatal errors
39 * generalized ErrorHandler and ExceptionHandler,
40 with some new methods and others deprecated
41 * enhanced error messages for uncaught exceptions
46 * added ExceptionHandler::setHandler()
47 * added UndefinedMethodFatalErrorHandler
48 * deprecated DummyException
53 * added a DebugClassLoader able to wrap any autoloader providing a findFile method
54 * improved error messages for not found classes and functions