It is hard to get models out of Blender into Godot (correctly and without loosing half the work).
Gamedev relevant open-source projects should come together to create a new 3D interchange format. More in the GitHub discussion.
I’ve submitted this proposal to other open source projects as well:
Isnt this a mostly solved problem? (Not in Godot, but so far as such a format existing)
A lot of stuff works with USD.