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Renaming an animated bone "breaks" its animation, until you save and open again.
Closed, ResolvedPublic

Description

Blender Version
Broken: blender-2.80.0-git.b0dee09a6d55-windows64

Exact steps for others to reproduce the error
If after animating a bone, you rename it, when you play the animation again it doesn't move. You have to save and open the file again, or change the name of the bone to the previous one.

Open a new file, create a bone, animate it with two keyframes, and play the animation. Change the name of the bone, and play the animation again. It won't move now. Save, reopen, and it will move.

I don't include a blend file because saving fixes this

Event Timeline

William Reynish (billreynish) triaged this task as Confirmed, Medium priority.

Since you don't want to make an example blend file, I've made one for you.

To reproduce the bug, open the blend file below, rename the bone and press play. The bone will stop moving.

@Sergey Sharybin (sergey): I assume this is depsgraph-related, so assigned to you.