inibuilds responded on their forum. It won’t let me put a link, but you can search for this topic: “[A320neo] Dome light has no effect”
Oct 17th:
Hi,
Apologies for the late reply. Most/all lighting related bugs have already been reported and logged. A fix will be issued as soon as possible, can unfortunately not give an exact date/timeframe.
Thank you and apologies for the inconvenience!