Mozilla Labs has just released the first alpha of Firefox 3.6, code-named Namoroka, built on top of Mozilla’s Gecko 1.9.2 layout engine. With it, Mozilla promises JavaScript improvements, startup time speed-ups, visual tab previews and behavior tweaks, capability for additional CSS3 properties, among the most notable changes.
The startup time and JS speed improvements are noticeable and welcome, and the visual tab previews are finally here and worth the wait.
By default, the new visual tabs are currently hidden in the FF3.6 alpha build, you can easily access them via an about:config tweak. Read on to learn how to add these…
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Adding visual tab previews to FireFox 3.6 alpha
To add visual tab previews in FF3.6a. just open a new tab an enter: about:config
. Then, add the values:
browser.ctrlTab.previews = true
browser.ctrlTab.mostRecentlyUsed = true
Now, restart FF3.6, open a couple of tabs and press CTRL+TAB to activate it. This should now show the new visual previews to both new and last used tabs.
For detailed information about compatibility changes in Gecko 1.9.2 and Namoroka, please read Firefox 3.6 for developers. For a full list of changes, see this list (it’s a big list).