Firefox 57.0 no longer warns on close
The new Firefox 57.0 no longer warns on close, even though the settings are available in the config.
I have tried changing them to false, then back to true again and it does nothing.
these are the config items I modified browser.tabs.warnOnCloseOtherTabs;true browser.tabs.selectOwnerOnClose;true browser.tabs.warnOnClose;true
Also is there a way to search support for issues related to the version of firefox you are using?
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If you have in Options: On startup Firefox will: restore your session, these settings are irrelevant.