Video doesn't playback from the beginning on my timeline

I just had this same issue in v3.89.32618.0.  I imported a local file (mp4). If I moved the start of the video later in the timeline then tried to un-check "Show Until End" or change the end point of the timeline, the beginning of the video was cut off. Playback started the same number of seconds in as the video was from the beginning of the timeline. Same if I left "Show Until End" checked but dragged the entire video to a later start point in the timeline.

My latest attempt is to

1. Calculate the desired end of the timeline and set it (I have a Text Box that is "Show Until End"). This means determine the length of the video, where the video starts in the timeline, and add any "cushion" for after the video ends.
2. Insert the video.  It doesn't seem to matter where on the timeline.
3. Set Animations and resizing options.
4. Move the video to the desired start point (if not already there).
5. Play the timeline to see if the video is trimmed in any way.
6. If the video has been trimmed, select it and choose Storyline's "Edit Video."
7. Verify the video is the right length and has all of its content.
8. Click "Reset Video".
9. Save and close the editor.
10. The video is the correct length, start point, end point, etc.

I hope this workaround continues to succeed until Articulate either corrects the issue or gives better instruction for inserting and moving external videos.

-Ira