Hello @bantheboy
I’ve never encountered that issue before, I will try to replicate this behaviour on my live set which has several groups and nested groups.
What iPad are you using for Touchable Pro?
I tried it out and yes, the group is reflecting play states fine now. Awesome!
However, if there is a clip present in the first track in group, and I expand the group in touchable, Ableton crashes. If I move this clip to a second channel, no crashes at all.
i tested directly after reading your message and could reproduce the issue unfortunately not while debugging. While testing in debug mode, i could not reproduce the issue. But i will continue testing. I also added some security checks before sending messages to Live (e.g. when a track index is invalid, track_index=-1 for example ), and when processing messages in the ControlSurface. I guess it was an issue of that kind causing Live to crash.