From https://developer.apple.com/documentation/xcode-release-notes/xcode-13-beta-release-notes:
If the DYLD_PRINT_SEARCHING environment variable is set to 1 at launch time, dyld prints out the paths to all locations it searched to find a dylib to load. (76430687)
From https://developer.apple.com/documentation/xcode-release-notes/xcode-13-beta-release-notes: