Fixed. See solution here: https://developer.apple.com/forums/thread/768066

Nevermind. Had copy of mdimporter twice in Build Phases, fixed by deleting the first copy and leaving the one going to the wrapper with Contents/Library/Spotlight.

You, storoj, are a real genius!!! …OK, all credit goes to you storoj… But just to be clear for others in the future, here are the steps to do this on your projects in Xcode and if you wish, to automatically ensure all projects get that super simple REAL super-fix that storoj created: Here is a YouTube Video that explains these steps in a minute… [ https://www.youtube.com/watch?v=duGgv9T3Fd8 ] STEPS for Symbolic Breakpoint (copy-paste) like shown in the video (with solution by storoj)… __boringssl_log_open_block_invoke libboringssl.dylib thread return  …(Fix works now, Sept 2022, Xcode Version 13.4.1)… Thanks, storoj! The documentation in Xcode explains this "Move Breakpoint to User" to enable this in all your projects…