> To this day Firefox is still lagging behind in its isolation. That is being worked on though: > The first batch of changes to not run extensions in private

> To this day Firefox is still lagging behind in its isolation. That is being worked on though: > The first batch of changes to not run extensions in private browsing mode by default landed, this is still behind a preference. https://blog.nightly.mozilla.org/2019/01/31/these-weeks-in-firefox-issue-52/ https://blog.nightly.mozilla.org/2019/01/31/these-weeks-in-f...