Here’s LUT v4, which fixes the problems associated with v1-v3.
Bluray set 1:

Regrade v4 set 1:

http://www.framecompare.com/image-compare/screenshotcomparison/2JJNNN8U
Bluray set 2:

Regrade v4 set 2:

http://www.framecompare.com/image-compare/screenshotcomparison/P7LNNN8X
Here’s the LUT:
https://drive.google.com/file/d/1oRD-eyp4oB1Zj6mPq4_Pe4apAcAdzvdg/view?usp=sharing