E.g., the button fix I made 3 days ago (#1250) still hasn't shown up on https://www-staging.rust-lang.org:

Note: I have tried force-refreshing (Shift-Command-R).
@rustbot modify labels: A-Infra C-Bug
Oh, i suspect someone needs to re-set-up deploy on Heroku cc @pietroalbini
Configured automatic deploys again.
Hmm, it still hasn't updated. Does it need a push to master to deploy the latest version?
Yes