• Add support for showing Autocomplete Menu on top [#1866]
• Change using defaultView instead of scrollingElement when positioning icons and menus [#1873]
• Change iframe messaging to use sendMessage() instead of postMessage() [#1886]
• Fix a bug with page.tabs check [#1877]
• Refactor and code cleanup [#1880]
• Update webextension-polyfill from 0.8.0 to 0.10.0 [#1881]