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Firefox does not ask confirmation to close a Private Browsing window with multiple tabs opened (unlike in normal browsing mode).

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Firefox does not ask confirmation to close a Private Browsing window with multiple tabs opened (unlike in normal browsing mode).

Firefox does not ask confirmation to close a Private Browsing window with multiple tabs opened (unlike in normal browsing mode).

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Yes, this is true.

If you don't find a better workaround:

I created an extension that can help work around this. It can protect against accidentally closing private windows that you don't want to close -- assuming you give permission for the extension to run in private windows when you install it. It has an annoying habit of creating extra tabs you need to close; it obviously needs more work.

https://addons.mozilla.org/firefox/addon/prevent-closing-window/