The UI for browsing the web.

Build system, testing, and infrastructure.

Storage and access of browser data.

Favicon storage and fetching.

Login and protocol.

For bugs that don't fit into other components.

l10n-related bugs that don't belong in another component.

Settings UI, password fill, etc.

The bottom toolbar and associated menu.

Issues with readability and reader view.

UI for managing reading list items.

Sync client, scheduling, and data formats.

Recording and submission of opt-in and opt-out user telemetry.

User-visible pixels.

Component to track security bugs present in third party components (like WebKit) that affect Firefox for iOS but are not actionable on our part.