Hey, I am currently working on a walk cycle, and would like to copy the X mirrored pose at a later point. Blender isn’t copying everything, and the pose gets messed up. One of my thoughts is, that this may be because I didn’t turn off the deletion of redundant keyframes.
This is the pose I tried to copy (With Cntrl C and clicking the “pose” button in the appearing menu):
It’s dumb but, sometimes, if you copy the keyframe (ctrl+c) in the dope sheet/action editor then delete the key you just copied, and paste the keyframe back to the same location it cleans out corruption.