Continuing the discussion from Fedora 33 TemplateVMs available:
Same for the onion service repository, unfortunately:
[user@dom0 ~]$ sudo qubes-dom0-update qubes-template-fedora-33
Using sys-whonix as UpdateVM to download updates for Dom0; this may take some time...
--> Running transaction check
---> Package qubes-template-fedora-33.noarch 0:4.0.6-202012100255 will be installed
--> Finished Dependency Resolution
http://yum.qubesosfasa4zl44o4tws22di6kepyzfeqv3tg4e3ztknltfxqrymdad.onion/r4.0/templates-itl/rpm/qubes-template-fedora-33-4.0.6-202012100255.noarch.rpm: [Errno 14] HTTP Error 404 - Not Found
Trying other mirror.
Could not download/verify pkg qubes-template-fedora-33-4.0.6-202012100255.noarch: failure: rpm/qubes-template-fedora-33-4.0.6-202012100255.noarch.rpm from qubes-templates-itl: [Errno 256] No more mirrors to try.