I also lose the ability to keep my place in my browser when I switch to it.
(Yes, in theory, I could open another browser window for it instead of another tab. In practice, Chromium will pick the wrong window to remember the tabs from when it’s restarted, so I try to stick to one window.)
Hmm. They don't show as "recently closed tabs" in the history, but I haven't tried the key combination. I'll have to give that a try if it happens again.
(Yes, in theory, I could open another browser window for it instead of another tab. In practice, Chromium will pick the wrong window to remember the tabs from when it’s restarted, so I try to stick to one window.)