currently after Freeze Transform or Freeze Rotation,
resulting Rotation List contains,
1. Euler XYZ for Frozen Rotation
2. Euler XYZ for Zero Euler XYZ
my experience show, that for some reason Linear Rotation for Frozen Rotation,
is working more consistent or stable,
so, what I'm suggesting is
1. Linear Rotation for Frozen Rotation
2. Euler XYZ for Zero Euler XYZ