SkyDrive gains its most important feature - GIF support

http://blogs.windows.com/skydrive/b/skydrive/archive/2013/07/30/creating-the-most-beautiful-and-powerful-way-to-view-share-and-search-your-photos-with-html5.aspx

A bunch of other great updates - text editor with code highlighting, being able to share random groups of photos at once (they don't all have to be in the same album), DPI detection to show full resolution photos, photo rotation and GIF support!