IPB has just release IP.BLOG 1.4.0 BETA 3.
It seems that i has various new features such as styling and themes, block plugin like portal modules, social bookmarks, media intergration like youtube, etc…, Feedburner intergration, akismet integration, edit entry date, display article count for categories, blog offline mode, highlighted author comments and admins can select featured blog entries.

To read the full article head to ips’s announcement on ip.blog