(In reply to lrdix from comment #48) With respect to the pref proposal being rejected, the main issue is this bug has already been resolved wontfix. My previous comment was about why the harm would mainly arise from this being the _default_ behavior. I don't think a change to the default behavior is likely to happen, and every mozilla employee who has posted their remarks has militated against it. Whereas the reasons not to add an opt-in preference are as I listed: it requires work and it makes the code base slightly more complex. But I offered to do the work myself, so like I said before, I think I can at least get a review for it. In any event, even if everyone were to relent and work on reverting the default behavior to save "Opened" files in TmpD and schedule them for deletion, it would probably be locked behind an experimental pref at least for a release version or 2. So there's no reason to be so hostile to the user pref idea, it's the best chance of getting what you want.
Bug 1738574 Comment 55 Edit History
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(In reply to lrdix from comment #48) With respect to the pref proposal being rejected, the main issue is this bug has already been resolved wontfix. My previous comment was about why the harm would mainly arise from this being the _default_ behavior. I don't think a change to the default behavior is likely to happen, and every mozilla employee who has posted their remarks has militated against it. Whereas the reasons not to add an opt-in preference are as I listed: it requires work despite having relatively narrow benefit confined to a subset of power users, and it makes the code base slightly more complex. But I offered to do the work myself, so like I said before, I think I can at least get a review for it. In any event, even if everyone were to relent and work on reverting the default behavior to save "Opened" files in TmpD and schedule them for deletion, it would probably be locked behind an experimental pref at least for a release version or 2. So there's no reason to be so hostile to the user pref idea, it's the best chance of getting what you want.