Just got a crash on save after completing the noise reduction process. In this case I had the application open since last night so this was a bit of torture test.
Ivo, I saved the stack trace if that is any use to you.
Crashed Thread: 2
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000014