I can easily find the change my subscription page from email footer -?/g/GroupManagersForum/editsub/19
And I used to be able to get to that screen from Groups.io, from my name in the top right corner.
Now the only way I can get to that page is from the Manage Your Subscriptions page and then click on the hyperlinked modifier for each of my subscriptions - single, digest, etc.
Does it matter? Perhaps not, but I thought it was there and hunted, all for naught!
Frances