User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0 Build ID: 20170816210634 Steps to reproduce: 1. Install the extension https://github.com/mdn/webextensions-examples/tree/master/beastify on android. (A signed version can be found in https://addons.mozilla.org/en-US/firefox/addon/beastify-test/?src=search) 2. Click on the browser action Actual results: There was no popup or a tab opened which contains the popup content defined in the manifest Expected results: A popup or a tab opened which contains the popup content defined in the manifest
I'm marking this bug as a duplicate of Bug 1370333, which has introduced support for both the browser_action.default_popup manifest property and the browser.browserAction.setPopup/getPopup API methods.