Descriptive Problem Summary:
While editing an animation in DreamMaker, the preview window does not live update the user's rewind preference, even though it live updates everything else. https://gfycat.com/crazyaggressiveamurminnow
Numbered Steps to Reproduce Problem:
1. create a new icon file
2. Edit as movie, give it a few random frames (with random pixels, so you know the difference between the frames).
3. Turn Rewind on and off.
Expected Results:
The preview window live updates my rewind preferences.
Actual Results:
The preview window does not live update my rewind preference, it just stays on whatever option you had on when u clicked into the specific frame.
Does the problem occur:
Every time?
Yes.
Did the problem NOT occur in any earlier versions? If so, what was the last version that worked?
It wasn't a problem before the icon editor's overhaul (aka. 512.1455).

Workarounds:
If you click into another frame (of the same direction), the preview window updates your rewind preference.