PeriPedal v1.4.0 is now available.  This version has the following changes:

• Workout Creator is now available!
• Improved ANT+ Power Meter functionality.
• Power Meter Speed data now supported.
• Added ability to double-click on workout to start
• Fixed issue with viewing history from unstructured workouts.
• Performance Improvements.

PeriPedal will prompt you to update within 24  hours.  If you want it now you can download it from here.