If there are many animation clips/paths to rewrite, this can take some time and it may appear that process has hung.
Would be good to add some sort of progress indication for playmode (its more obvious in build mode due to unity progress bar behavior)
If there are many animation clips/paths to rewrite, this can take some time and it may appear that process has hung. Would be good to add some sort of progress indication for playmode (its more obvious in build mode due to unity progress bar behavior)