When selecting a track/channel in the MixConsole (F3) Visibility tab, selecting a different track/channel in the Project window, and focusing back to the MixConsole window by clicking its header / alt+tab / or selecting it from the task bar, the previously selected track/channel in the MixConsole Visibility tab appears selected again, but only the name is highlighted in white, while the check mark, track icon and number all become back.
The bug doesn’t seem to occur when focusing the MixConsole window by clicking inside it, you must focus it by using OS controls as explained above.
Also, the bug also occurs the other way around, when first selecting a channel via the Project window Visibility tab, selecting a different one in the MixConsole, and switching back to the Project window.
If multiple channels were previously selected in the Visibility tab, only the first selected channel (when using ctrl, shift, or click drag) will glitch out.
However, it can also be triggered by holding Ctrl and clicking a track in the Visibility tab (when the window isn’t yet focused of course), and the track you click must be different than the one that was selected at first.
Sometimes (very rarely) the channel name can become black, but then the track icon and number get highlighted in white. I still haven’t find any specific trigger for this variant, as it seems to happen randomly.