I guess animations-add-on was just separated to introduce and define a "Animation Time Step For Intense Effects" which can differ from the "Animation Time Step" usually used, but this function could be moved to one plug-in also, so it won't get lost...
I guess animations-add-on was just separated to introduce and define a "Animation Time Step For Intense Effects" which can differ from the "Animation Time Step" usually used, but this function could be moved to one plug-in also, so it won't get lost...