jmke

The most visible enhancement in the beta release is the new tabbed user interface. When we looked at alpha 3 in October and wrote about some of the prominent upcoming features on the short-term roadmap, we pointed out that tab management and session restore were in the works.

In the beta release, users can open mail folders and individual messages in new tabs. The tabbing system is also exposed through Thunderbird's extension API so that third-party add-ons can take advantage of the feature. The latest nightly builds of Lightning, a calendaring extension for Thunderbird, allow users to display the calendar and task list in separate tabs. The new tab bar interface, which is modeled after the one in Firefox, has an overflow menu at the end but doesn't appear to allows tab reordering yet.

http://arstechnica.com/news.ars/post...rovements.html

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