Hi Rex i continued my spritebank tryouts, it seems it doesn't load the current frame correctly, it will for example load the right size but not the frame, it also need a refresh to initiate the instance(the size or angle for example)
here is my testproject for easy testing
testproject
i want to achieve that all instances are saved and then put in there original status, im not there yet
you can swith frame with up and down keys, and some more options are in there