I just encountered this as well, not sure if its a Max4Live API/Ableton problem though.
Also just wanted to mention, the cuepoint/locator system in Arrangement view is so good for triggering things in TD, but the band i made the lighting system for uses Session view, so currently I think the best way to get the triggers synced up in TD is to count the bars in Ableton like a dweeb and just have TD wait for that specific bar/beat count.
I’ve also done a little addition of my own to convert beats/sixteenths/time into extra channels for eighths and triplets and some other weirder rhythm stuff (3/4 over 4/4? i’m not really sure the correct musical theory terminology for what they do). It’d be cool to share some user-made extended features and hear how everyone uses TDAbleton.