Their banner message states "New content can no longer be uploaded after October 28, 2019."
But the Conversations view on the web continues to update. This is a surprising and pleasing finding. The timestamps on the six most-recent messages are:
13 hours ago
3 days ago
4 days ago
4 days ago
4 days ago
5 days ago
It's taking a bit of time to migrate over as I work through the issues of dealing with attachments because of the short-sighted view of Groups.io on handling them. Fortunately, the Yahoo group continues to serve us.
Laurence Marks