Can I suggest a request on the beta group, suggesting that planned downtime be given publicity beyond the very limited number of beta habitu¨¦s?
You may suggest it, but unless someone actually posts to beta (or support) about it, no one employed by Groups.io will know about it.
Even if it had been published on this Group then there is absolutely no certainty that every Group Owner would have known about it; even 849 members must be a lotless than the total number of Owners.
When I looked just now there were 6777 listed groups, plus an unknown number of unlisted ones.
Not to mention apparently over 2.25 million users.