Lienzo 1.0 is a new GWT library offering an advanced API over the HTML5 Canvas. AS well as the low level operations already offered by Canvas in GWT, Lienzo adds a rich set of GUI primitives such as shapes, zooming, animations, drag-and-drop, event handling and more
HTML5 and Canvas 2D have reached Candidate Recommendation status, High Resolution Time and Navigation Timing are Recommendation, while HTML 5.1 and Canvas 2D Context Level 2 are Working Drafts.
Michael Mullany from Sencha has published a list of things that would benefit HTML5 during 2011. InfoQ has interviewed Michael in order to get some more details regarding his vision.