It's all done now! It's waiting on git to be merged with the master branch! Q'Pla!
For the record, here are the (solved) issues about the rembrandt artefacts:
Overhaul for Ubershader vs. Citation II
Overhaul for Citation II - DME vs Rembrandt
The sparkling new overhauled Citation II LX-GDL waiting in front of it's home hangar at ELLX to get clearance for startup!