Reverse Matinee Never Playing

When you attempted to fire off a Reverse Node on a Matinee Actor in the Level Blueprint, The Matinee never plays in reverse.

Level Blueprint Setup:

[Image Removed]

This issue appears to be resolved as of Main Promotable-CL-2598545

1. Open a New Blank Project with NO Starter Content in 4.8
2. Add a Sphere to the Level at (-400, 200, 100)
3. Add a Matinee Actor to Level
4. In Matinee Actor, Create a New Empty Group
5. Add Sphere to New Empty Group
6. Add a Movement Track
7. While the Movement Track is seleted, Move Matinee Time Slider to 5.00 Secs
8. Hit Enter to create a Keyframe
9. Move Sphere to (400,200,100)
10. Close Matinee
11. In Level Blueprint, Recreate the setup from the attached image.
12. PIE

RESULTS: The sphere moves once and stops Matinee Plays but never reverses.

EXPECTED: The Sphere should bounce back and forth, Matinee should play and reverse.