When you move a cube around the viewport and then enter 0 within the location, rotation or scale xyz input, the cube does not reset.
4.8 regression range:
1. Create a new template
2. Create a new actor blueprint
3. Add a component 'cube'
4. Move the cube
5. Manually enter 0 to reset the location
Head over to the existing Questions & Answers thread and let us know what's up.