How can I clear recently closed windows/tabs history without shutting down firefox.
Clearing recent history doesn't do it even though I could have sworn it did on older versions.
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You can temporarily set the pref browser.sessionstore.max_tabs_undo to 0 to clear the "Recently Closed Tabs" list.
If you want to re-use the "Recently Closed Tabs" feature (Undo Closed Tabs) then you can reset the pref browser.sessionstore.max_tabs_undo to the default value via the right-click context menu.
You can temporarily set the pref browser.sessionstore.max_windows_undo to 0 to reset the "Recently Closed Windows" list.
Firefox will remember one window if you open additional windows and close that window while tabs are open in that window.
To prevent that you need to close all open tabs in a window before closing a window.
I want to clear my history, while also clearing my "Recently Closed Tabs" list. The old Firefox is like this. Is the new one, 6.0.2, different? If I go to about:config and change the setting that you recommend, I can go to any website and but when I closed a tab, I can't reopen it. What we want is, to clear history and the "recently closed tabs & windows" list. Not outright disable the function. Is there any way to do this?
You can set the above mentioned prefs temporarily to 0 are then restore them to the default via the right-click context menu.
That should be sufficient to clear the tab list and the windows list except one window like I wrote above.