Godot version: Godot 4.1.1 with C# support, found here: https://esotericsoftware.com/spine-godot
Spine version: 4.1.23 Professional
OS: Windows 11

As the title says, overwriting the .skel file in a Godot project does not update the asset. That is, the basic workflow described here does not automatically update the .skel file in Godot as stated:

I also tried manually doing a reimport on the file in Godot, but no luck. The only way to get the .skel file to update (with a new animation for example) is to reload the project, which is far from an ideal workflow.