It seems to work for packages which are available in Ubuntu Software Center (I've tried with Launchpad), but it does not work with Web sites which directly implement Unity Webapps integration.
The probem can also be reproduced with the official Quickstart : http://developer.ubuntu.com/api/devel/ubuntu-13.10/javascript/web-docs/ -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to unity-firefox-extension in Ubuntu. https://bugs.launchpad.net/bugs/1307409 Title: Cannot install webbapp launcher from Firefox Status in Firefox extension: Unity Integration: Fix Committed Status in “unity-firefox-extension” package in Ubuntu: Fix Committed Bug description: After accepting the installation of a webapp from Firefox, the launcher icon is not added proerply on the launcher. To manage notifications about this bug go to: https://bugs.launchpad.net/unity-firefox-extension/+bug/1307409/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp