17d8650d2d
When tweaking envelope radii of (connected) envelope bones, we dont always make sure that corresponding head and tail radii are in sync. Using the `Bone Size` tool should take care of this (and it works to some extend) but tweaking the radii through the sidepanel UI or the Properties Editor (through RNA), then corresponding heads and tails radii get out of sync. Once we are in such unfortunate situation, then code in the transform system's `recalcData_edit_armature` fails with wrong assumptions, it propagates radii from children to parents which are unexpected / not in use. So one thing to do would be to add this syncing of radii to `rna_Armature_editbone_transform_update`. This alone would solve the "problem" in new files. For existing files that are already out of sync we add versioning that corrects this on file load Pull Request: https://projects.blender.org/blender/blender/pulls/137599
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