Only application crashes are reported, and the dialog does not contain any debugging information.
Developer - In addition to application crashes, crashes are also displayed for background and system processes.
But, since the "classic" Mac OS offered little memory protection, an application crash would often take down the entire system.
One false move and the application crashes - software is very brittle.
Most importantly a new set of public APIs have been created for reporting failures other than application crashes and hangs.
If you don't believe me, try to find out how frustrated the Windows 7 guys were when they have to deal with Windows 3.1 application crashes.
Typical errors that result in application crashes include:
The system is also much more graceful at letting you recover from application crashes.
If an application crashes, it's annoying, but an application can always be relaunched.
This had a rather detrimental effect on system stability and led to frequent application crashes.