Was this ever made available, as a feature? I remember seeing this behavior after a crash at least once, but I don't know if I had TMP enabled at the time, or if this was with the FF built-in Crashed Session Restore function. I've used and enjoyed this extension for many years, so I can't recall if I've ever seen the option explicitly available.
I think that most, if not all, crashes that I've experienced have been sparked by some tab content. In these instances, being able to selectively prevent the restoration of one or more tabs would be an immense help. Without it, it seems to be an unavoidable result, after some crashes when restoring the session.
If it is not currently a feature, and if it would be reasonable/practical to write the code, I would suggest that many people might find this to be really helpful if (actually
when) FF crashes.
Great Job on the extension, keep it up! ...please
And thank you for your hard work and long hours spent in making and keeping up this extension -- it's very nice!
And as an example screen of this feature, I found one at the following URI on FF: (screenshot below)
about:sessionrestore
This one is blank, but you get the idea.