Broken: 2.79a - 2.76
Worked: not found
Short description of error
When you add Scene Strip in VSE, and try to animate something, it will be difficult. Until you delete Scene strip, or hide it
Exact steps for others to reproduce the error
Download file. You will see in sequencer:
Select transform strip and try to change value with keyframe by sliding left-right. Value will change but when you release mouse button it restores back.
Also you cannot move or scale strips using addon VSE Transform tool