The first implementable draft of HTTP/2.0 was released on July 8th by the HTTPbis working group of the IETF. The 2.0 version of HTTP is based on the SPDY protocol developed by Google — in fact, the initial draft was a copy of the SPDY specification as a base for diffs.
Photo by Jeffrey Beall
HTTP/2.0 is intended as an alternative to HTTP/1.1, rather than deprecating the old version. There is good reason for this: The new version feels similar to the old, but there are important differences designed to enable more efficient network communication.