Xcode doesn't write anything to output console

Question

I am working on an iPhone/iPad app. All of a sudden output console stopped displaying ANY messages AT ALL. I tried to open older project - works just fine. So I thought that

Answer 1

This happened to me as well and it turned to be the following:

• installed release build of my app OTA
• installed over top of release build in XCode/debugger

Only once I deleted the app from the iPhone's home screen and reinstalled again by running the app in the debugger did console output start working again.