Thanks Li for the update although I think Nigel's question was "can a field be added" that would tell us when the release is on OUR tenant.
Perhaps you can clarify something that could help. In the release notifications (to which I'm now subscribed) it says that the release will be deployed any time between Wed and Monday. (EU APISandbox release: from 8/8/2018 (Wednesday) PT to 8/13/2018 (Monday)).
I had taken this to mean that it doesn't go out to all EU sandboxes at the same time but rather rolled out across the period of several days. If that is the case having something that tells us what version our tenant is on seems sensible. Have I understood correctly how the releases are rolled out?
Your response above asks us to check on the single public web page for if the release is live, but this clashes with the idea that it doesn't go out to ALL tenants at the same time. Does the webpage get updated when ALL tenants are updated?
We are waiting on a bug fix in this release and it would be good to test this as soon as it's on OUR tenant. If we can test that today, I'd rather not wait until Monday when all tenants are updated (and presumably the above webpage is updated).
However I appreciate I may have misunderstood the roll out process so would appreciate clarification.
Thanks