Keys not highlighting in yellow when Bind is enabled

When I click the button at the lower right to ‘Bind chords from main track to MIDI trigger notes, highlighted in yellow on keyboard’ the keyboard keys don’t look any different and aren’t shown highlighted in yellow:

[I tried to upload an image here but the forum won’t let me…]

The actual functionality seems to be working OK (MIDI keys trigger the selected chords) but the keyboard doesn’t highlight in yellow. Is this a bug?

Edit: found the reason - keys won’t highlight in yellow if you’re on the ‘Create’ tab.