The keyword "new" is critical here. Typography, like software, receives updates. The latest version of XSpace Regular (often marked as v2.0 or higher) includes significant improvements over older legacy versions:
A: Yes. If the license is SIL OFL, you can use it in any visual content, including thumbnails, without crediting the author (though crediting is polite). xspace regular font free download new
There are two realities regarding XSpace Regular: The keyword "new" is critical here