- Engine events requiring a callback: mozilla-mobile/android-components#1110
- Parent Session: mozilla-mobile/android-components#1064
- Select parent on child removal: mozilla-mobile/android-components#1065
- Adding child after parent: mozilla-mobile/android-components#1066
- Update parent id after removing parent: mozilla-mobile/android-components#1092
- IN PROGRESS: SessionManager.restore(): mozilla-mobile/android-components#904
- Hints in observer callbacks: mozilla-mobile/android-components#1075
- openWindow() / closeWindow(): mozilla-mobile/android-components#1067
- File uploads: mozilla-mobile/android-components#1076
- Website icons: mozilla-mobile/android-components#494
- Image blocking: mozilla-mobile/android-components#1077
- geolocation: mozilla-mobile/android-components#497
- find in page feature module: mozilla-mobile/android-components#1079
- Upstream Rocket ui-autocomplete changes: mozilla-mobile/android-components#1081
- Private browsing in reference browser (to have an actual implementation): mozilla-mobile/reference-browser#26