Hi,
glTF 2.0 si the new 3D format to export and exchange models and animations.
It's more flexible, lightweight , standardized , open source and ready for for Physically based rendering.
You can find some indepth description here :
https://godotengine.org/article/we-should-all-use-gltf-20-export-3d-assets-game-engines
Substance already is supporting it :
https://www.allegorithmic.com/blog/new-substance-painter-autosave-gltf-and-felix-exports
FBX is fine , but i wonder if skyline will move to that new format ?