It would be very nice if the merge-request feature of SF could be interfaced via email.
Currently I cannot force contributors of sardana project to log-in for reviewing code (and since keeping the discussions in one place is a priority, I have to opt for mailing list workflow instead of merge-requests). If the following features were implemented, I wouldn't have to choose (both workflows could coexist):
possibility of sending automatic notifications of merge-request to a mailing list (just as you can for tickets)
possibility contributing to a merge-request discussion by email (just like you can reply to a ticket). Note: a few days ago I requested this in allura [allura:tickets:#6522]
And these two would be bonus features:
possibility of creating a merge-request by sending an email created by "git pull-request"
Enabling votes on merge-requests (as you can for tickets)