Summary:

With the new beta of Firefox 3.6, new tab previewing functionality has been made available in Firefox — you can preview tabs using the “List all tabs” button, and you can see a preview when using Ctrl-Tab to switch between tabs. These two new features are […]

With the new beta of Firefox 3.6, new tab previewing functionality has been made available in Firefox — you can preview tabs using the “List all tabs” button, and you can see a preview when using Ctrl-Tab to switch between tabs.

These two new features are not enabled by default, so you’ll need to go to the about:config page and toggle “browser.allTabs.previews” and “browser.ctrlTab.previews” to “true” (either right-click on the entry and hit “Toggle”, or just double-click the entry).

I made a quick screencast showing how to enable tab previews and how it works:

(Via gHacks)

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