Light source angle input field stays disabled when switching a light to static

When changing a directional light from stationary to static the Light Source Angle text box under lightmass should activate. However, in recent version this does not happen anymore, making it impossible to adjust the angle from its default of 1.0.

The feature itself still works as opening a map created in an older version correctly shows the changed value and rebuilding the lighting gives the expected results as seen in the attached screenshot and map file.

I tested the following versions as these were the only ones I had installed at the moment:

  • 4.2 works as expected and allows the value to be adjusted
  • 4.6 and 4.7 preview 3 both fail to enable the input field making it impossible to adjust the Light Source Angle

[Map file of the scene in the screenshot][1]

Hi ,

I was able to reproduce this and have entered a bug report, UE-7562 to be assessed by the development staff.