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In private browsing window, when we add new tab, I want it to open only in private browsing mode, but it doesn't. It opens in 'non-private browsing' mode.

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Since the latest Firefox software update (75.0) in April 2020 on my Windows 10 (64 bit) computer, I am not able to add new Tabs in private browsing mode. Each time I open a new Tab, it appears in 'non-private browsing mode'. In options, I have even selected 'always open new tabs in private browsing mode' but it is not helping. As I am not able to add new Tabs in private browsing mode, each time I have to open new Windows in private browsing mode, but it is very inconvenient to have several windows (instead of several tabs).

Since the latest Firefox software update (75.0) in April 2020 on my Windows 10 (64 bit) computer, I am not able to add new Tabs in private browsing mode. Each time I open a new Tab, it appears in 'non-private browsing mode'. In options, I have even selected 'always open new tabs in private browsing mode' but it is not helping. As I am not able to add new Tabs in private browsing mode, each time I have to open new Windows in private browsing mode, but it is very inconvenient to have several windows (instead of several tabs).

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Hello Savvy Canadian,

Maybe a dumb question,   but could it be that you think those tabs are not in private browsing mode because you don't see a purple mask ?

That is :   I'm assuming that you are in permanent private browsing mode ?

In permanent private browsing mode you won't see that purple mask ....

Maybe this article will help :

https://support.mozilla.org/en-US/kb/private-browsing-use-firefox-without-history