I've got an issue that's cropped up for me recently. I think it started round about the last time I upgraded PTB, but I'm not positive on that. I'm running version 18.104.22.168 (without Enigmail+GPG). I also have a dozen extensions loaded; if none of y'all are having the same problem I am, that would make it quite likely that one of them is the culprit.
I have six POP accounts set up, and for five of them I checked the "Check for new messages every __ minutes" box. The feature seems to work fine so long as I keep the same session going; but whenever I restart PTB, I find that the checkboxes have unchecked themselves.
(Oddly enough, the time values--which I had set differently for several of my accounts--were correctly remembered, albeit greyed out. Also, I haven't had any trouble with the "Check for new articles every __ minutes" option for News & Blogs; it stays checked from one session to the next.)
Anyone else experience this issue? Any ideas on what might be going wrong?
P.S. Here are the extensions I have loaded in PTB, in case anyone would like to know:
Zombie Keys 1.0
Unselect Message 1.3
Easy Get Mail Button 0.31
Display Quota 0.1.10
Change quote and reply format 0.4.9
NestedQuote Remover 0.7.10
Empty Trash 1.3.06
Tb Progress History Extension 0.1.6