I am on what I believe is currently the most recent version of USB Loader GX (version 3.0 r1281)
If it matters I have a soft-modded 4.3E Australian (PAL) Wii. Most of the Wii library I have runs well apart from a few graphical glitches or refusals to start (suspected hard-coded USA checks in...
btw i feel this a good time to remind you guys that sea of thieves was made by rare, who also made DKC1-3 and DK64, alongside banjo kazooie and conker's bad fur day