Any way to reimport a skeleton with changes bone names?

Development Character & Animation
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1

On the skeleton I used, the bone names had the defaults. I’ve finally come around to changing the skeleton with proper naming for the bones, but reimport breaks everything.
The skeleton has a lot of animations etc.

I thought bone names were relatively superficial but apparently this is a huge pain?

How can I reimport my skeleton with changed bone naming properly? And keep all anims etc

2

My solution is duplicate the skeleton, rename it properly, then create IK rigs for both old and new skeleton, then do retarget for all the animations. I would recommand to do so with 5.4 or higher, since the retargeting gets way better than before.