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Known Issues

Notifications Hidden When UI Is Toggled Off

Permission notifications (location, microphone, camera) may be suppressed when the UI is toggled off in Zen Mode. Websites requesting permissions during this state will fail silently.

Workaround: Toggle the UI back on and retry the action to surface any missed notifications.

Urlbar and Tabs Stuck to Side After Toggling "Show Sidebar"

Historically enabling the Mozilla "Show Sidebar" setting and then disabling it causes layout issues — the urlbar and tabs lose their centered positioning and stick to the side. There is currently no responsive CSS fix for this.

Workaround: Restart Firefox.