BoneAttachment node does not work in one of the Skeleton bones

[ghost]

Symptom: one of the BoneAttachment nodes, with red material, does not work. MeshInstance don’t follow bone movement with SkeletonIK node. It was working in Godot 3.2.1.

Operating system: Windows 10
Godot version: 3.2.2 stable official

Steps to reproduce: run the provided minimal project in Godot 3.2.2. BoneAttachment node, in red material, does not follow bone rotation.

minimal project.zip

[akien-mga]

CC @AndreaCatania @TwistedTwigleg

[TwistedTwigleg]

I can confirm this is still an issue with Godot 3.2.3 Beta 1 on Linux. From what I can tell when running this project, the first bone in the SkeletonIK chain does not appear to be taken into account when solving.