DM235 on 13 April 2010
http://wiki.whatwg.org/wiki/FAQ#When_will_HTML5_be_finished.3F
"It is estimated by the editor that HTML5 will reach the W3C Candidate Recommendation stage during 2012."
"It is estimated, again by the editor, that HTML5 will reach a W3C recommendation in the year 2022 or later."
I think you shouldn't be uninstalling Flash just yet...
