Tumblr has released a completely rebuilt version of its official iPhone and iPod touch app promising significant improvements to both performance the user experience. Tumblr 3.0 debuts a new, sleeker dashboard with high resolution images and easier interaction with on screen controls. The update also adds direct support for Spotify, improvements to photosets and image viewing, searching by tags, centralized notifications and new and improved posting forms. Offline support has also been introduced to allow users to post, like, reply and reblog even when no data connection is available and new gesture-based shortcuts have been added for quickly accessing the camera and creating text posts. Tumblr 3.0 requires iOS 5.0 or later and is available from the App Store as a free download.