Not much has changed though Chrome has been added :)
You should uninstall V1 before installing V2!
Download here, of course install Google Chrome Frame here.
Bugs in Chrome affecting the add-in:79097 Sadly this prevents navigation within chrome without owing the addin UI, I worked around this so if you get the add-in UI becoming invisible just resave your page. Hopefully Google will fix this bug soon. Hovers, basic input all seem good to go.
The list of browsers now stands as: