This appears to have been the last of the "real" Lite-On's (and unique 7S Series drive), before they got "benquified". The same applies to its twin, the SHM-165S6S, which never received an update either.
I believe the new LH-series firmwares to be made by (former) BenQ and we won't likely see any updated "Lite-On" firmwares now. We haven't heard from our Lite-On friends here in almost a year (and their tools haven't been updated for even longer). :sad: