dyld: Symbol not found: _$SBOWV

Version 0.12.0 was accidentally built without a statically linked Swift stdlib. Please upgrade: brew cask upgrade periphery.

Failed to determine build arguments for target 'XYZ'

This is caused by something specific to your project and is likely due to Periphery not handling it correctly.

In order for us to diagnose and fix, please re-run Periphery with the --verbose option and look near to the top for commands to xcodebuild. Please copy & paste each xcodebuild command into a new terminal, and send the output to

Brew upgrade fails

If you get an error during running brew cask upgrade periphery that contains curl: (23) Failed writing body (0 != 16084), first try the upgrade again. if that still does not work, try brew cask reinstall periphery.

Your issue not listed here? Please contact