The first major update adding features, content and fixing issues. Changelog here.
Asset Forge 1.2.0 released
But you're logged in.. that's how you're posting this.
You'll have to get in contact with Itch support if you purchased anything under a different account that you no longer have access to.
Absolutely! We're working on a content update which should hit soon, and the next will be a complete rendition of the whole program adding numerous of features.