I checked what's new in Xcode 9 documentation and I found this
But i didn't understand what is that how I can use this with new Xcode 9.
It can be enabled/disabled in the diagnostics option of the scheme. Besides, the "Pause on issues" is a comfortable option to debug these problems.
Xcode 11
Xcode <11
2.1m questions
2.1m answers
60 comments
57.0k users