After almost three weeks of hacking I finally solved my [[https://support.mozilla.org/en-US/questions/1496304#answer-1722782|Hyperlinks are not working]] problem. (It was very difficult, including creating a new `https` setting and hand-editing the profile's `handlers.json` file.) So now I can finally open links in emails like I could in TB 102 before upgrading to 128. Since I have "Always ask" set, I get a dialog with a choice of which web browser to use. All good. Problem is that the browser dialog pops up a minimum of once per hour whether TB is open (not minimized/iconified) or not. (I leave TB running at all times, often for months at a time.) This is annoying, particularly because the URLs are to internal TB infrastructure, usually but not always https://notifications.thunderbird.net/2.0/notifications.json. What should I do with these JSON links? Many don't even have a filename in the URL, so I can't save them in my profile folder even if I wanted to. If TB wants them as updates shouldn't it know where/what to do with them, and do it? I suppose I could turn off "Always ask", which I don't want to do -- would TB handle the URLs correctly then? Or would it just open the link in the default browser and I'd be worse off than I am now? (I usually just "Cancel" the dialog and don't go to the URL.) It would be even better if I could completely turn off all notifications, period. I always have "Check for new messages every ... minutes" turned off and manually check my POP/IMAP messages when I want to. I'll update TB when my Linux distro has a new version. In fact I've always noticed that TB runs continuously as a background process, adding a small percentage to a CPU core's usage. Is there any way to turn this off, too, so that TB is completely quiescent until un-mininized and "Get Messages" or "New Message", etc. is clicked? Any help appreciated. I've used Thunderbird exclusively as my email client for over 20 years, and IMO these kinds of new features and the breakages they cause have made things continuously worse since the days when I used TB 68 and 78. BTW, I've tried all the above in 115 and 137 with the same problems.