This for all action set export and doesn’t work.
Line 1355 posebonemat = parentposemat.invert() * posebonemat
Line 1358 quat = posebonemat.to_quaternion().normalize()
those return None
Single export.
Line 1513 posebonemat = parentposemat.invert() * posebonemat
Line 1517 quat = posebonemat.to_quaternion().normalize()
It works
How to deal with the parent and non parent matrix coding. I wanted to get the head fixed location. Else it give offset of the head location of it. Not sure how to deal with invert > inverted when the value is different.