When an application has multiple "product" (eg: Bluesky has web app, mobile app, moderation, etc), it should be possible to organize feature requests per products, and not just categories. One feature request could belong to multiple products.
The current feature request categories (General, Enhancement, Bug, etc) might not be enough for bigger projects. I think the owners/admins should have the possibility to add or remove categories.
There should be an admin panel to manage Spheres' admins. Currently, only the Sphere creator (the "owner") can administrate it. It should be possible to delegate.
For me readability, the Infuse module should show author avatars on feature requests and comments