J2EE
TmaxSoft (yes, where I work now) achieved it (of course except the Sun RI :-). See http://java.sun.com/javaee/overview/compatibility.jsp for more details. We are planning to release some preview as well.
Thank you all for your great help, especially Alan, Arthur, and Stephen from the Sun CTS team. I couldn't forget such a beautiful weather in Boston.
P.S. More about this to come, so stay tuned!
While I was working on preparing slides for my session on TmaxDay 2006 (http://www.tmax.co.kr/tmaxday/), I came up with some idea of grouping and classifying Java web services technologies:
Java Web Services 1.0 (adopted by J2EE 1.4)
JAXP 1.2
SAAJ 1.2
JAX-RPC 1.1
(Optional) EWS (JSR 109) 1.1
Java Web Services 2.0 (adopted by Java EE 5 and Java SE 6)
JAXP 1.3 + StAX 1.0 (= JAXP 1.4)
SAAJ 1.3
JAXB...
