The lateral flight director bar issue has been fixed! The thumbwheel now works on the pitch mode. The only issue remaining is the vertical speed mode having the wrong logic as demonstrated in the video below:
The FLC mode has the correct logic, i.e. activating with the current airspeed at the time FLC is selected. The Vertical Speed mode should behave the same, but it doesn’t, instead it remembers the last used VS and activates with that instead of the current VS.