Root Motion Not Working with Multiple Slots

When a montage containing two slots each containing animations with root motion is played in editor:

When the first slot selected, root motion functions properly with the animation.

When the second slot is selected, the animation plays but root motion does not function.

1. Create a new AnimMontage

2. Add animation A with rootmotion enabled

3. Assign Animation A to slot A

4. Add a slot B

5. Add Animation B with rootmotion enabled

6. Assign Animation B to slot B

7. Launch the game and play the AnimMontage

8. When the AnimMontage is played with slot A selected. The animation A is played normally and rootmotion works normally.

9. When the AnimMontage is played with slot B selected. The animation B is played normally but the rootmotion is ignored