Material Instance parameters do not update values when the user does an Undo (Ctrl+Z).
An example project is attached.
This seem related to
Found in 4.24 CL#10570792
Reproduced in 4.25 Main CL#10646676
1. Create a material instance that has a parameter that can be edited.
2. Open the instance and edit the parameter value.
3. Press Ctrl+Z.
Result: A popup says the value has reverted, but it isn't.
Expected: The value is reverted as expected.
There's no existing public thread on this issue, so head over toAnswerHub just mention UE-85711 in the post.