menus.ContextType = history

I’d like to be able to add a context menu for the history view.
According to

There is no such context.

What is the proper way to request this? Thanks

After like 45 minutes of Google I finally found just to face "User account creation has been restricted. "

Seriously? To me as a newbie it feels more and more like Mozilla intends to discourage new developers.

(and: why can this magical Mozialla SSO not be used for bugzilla, but Github can?)