Sorry for the delay, been a busy couple of weeks. I've put together some screenshots of some of the new features of the forthcoming GTL update below. I've not provided much information so just ask if you'd like to know anymore.
Cheers!
Duplicate session option.
General settings page. New options to enable CUE for mute and overdub.
Tap tempo, hold to reset.
New effects picker accessed by tapping an effects slot on any loop or the audio input. Here you can load Audio units, IAA effects (Hopefully!) and the built in effects.
Audio unit inserted on GTL input slot:
Audio unit extensions container view:

MIDI settings page.
Active MIDI bindings page. Inspect all active MIDI bindings, the circle to the left of each binding will light up when the assigned MIDI command is triggered. Useful for testing setups.
MIDI Binding config view. Assign a MIDI command, set the trigger type, add multiple functions to one binding, access advanced function options.
MIDI bindings set manager. Store and recall your MIDI binding workflows here.