v4.2.0 Highlight Bug

Road Hog 4.21
DP8000
SW ver 4.2.0

Show exported from v3, imported to v4... new colour palettes created and stored... regardless of which fixture types I select... selection in the programmer, press highlight, fixtures go to highlight mode; touch pan or tilt to move them, colour highlight reverts back to non-highlight settings. Other settings (beam) stay in highlight. Highlight button remains lit.