Recent answers to Where is the built-in container tabs?https://support.mozilla.org/km/questions/13809572022-06-25T23:43:36-07:00Get it back by setting privacy.userContext.ui.enabled = true
2022-06-25T23:43:36-07:00Bellozzzhttps://support.mozilla.org/km/questions/1380957#answer-1515026<p>Get it back by setting privacy.userContext.ui.enabled = true
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