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How can I retain my current theme when using private window

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I switched from using a complete theme to just a regular theme (the complete one is no longer supported with the 40.0.2 update). When I opened a private window I am presented with the default Firefox theme with no way to change to any of the other themes I attempt to apply. Is there something I'm missing or was this a change that occurred through the numerous updates to Firefox while I was still using the complete theme? I'd like to use the theme in both normal and private windows is this possible?

I switched from using a complete theme to just a regular theme (the complete one is no longer supported with the 40.0.2 update). When I opened a private window I am presented with the default Firefox theme with no way to change to any of the other themes I attempt to apply. Is there something I'm missing or was this a change that occurred through the numerous updates to Firefox while I was still using the complete theme? I'd like to use the theme in both normal and private windows is this possible?

Valgt løsning

Sorry, that is a "feature" of Private Browsing and using a Lightweight Theme; PB reverts to the default theme. Been like that for quite awhile now - like may be as far back as Firefox 29, 30, or 31.

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I placed 2 screenshots next to each other to show the difference

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Valgt løsning

Sorry, that is a "feature" of Private Browsing and using a Lightweight Theme; PB reverts to the default theme. Been like that for quite awhile now - like may be as far back as Firefox 29, 30, or 31.