How to get aarch64 Firefox Nightly builds?

Hi,

I am trying to support aarch64 for my NixOS configurations and Firefox Nightly is basically the only thing that I can't really manage to get for 100% alignment.

What would it take to get "linux-aarch64" or "linux-arm64" builds available in the usual Firefox nightly location?

Is there a Matrix room? Or a maybe a Bugzilla tag I should use to ask elsewhere about this?