Application Menu making it’s way to Firefox
Chris Coulson has been working on adding Application Menu support to Firefox for 11.04. Here’s the initial cut:
The reason you still see the old menu inside the window is that for testing developers will have both running so they can compare them side to side.
You can find the code to the extension here: https://launchpad.net/globalmenu-extension
Hackers and testers are welcome, but please remember that this is very young, so don’t expect ponies and unicorns.