
Click to Play isn't enabled by default. To turn it on, just head into about:config and search for plugins.click_to_play. Double-click on that option to turn it on. Afterwards, all plugins should show a "Click here to activate" button before things like Flash fully load on a page. It doesn't look like you can whitelist certain pages, though, so if you like to keep Flash around on some sites, you'll want to stick with Flashblock for now.
Autocomplete works pretty much how you'd expect: when you start typing in a URL, it'll autocomplete to what it thinks you're looking for instead of giving you the old dropdown menu.
HTTPS is now used by default for all Google searches
Mac users will find that it finally works with Lion's full screen functionality.
Download Firefox 14 Aurora