Is libstdcxx-time still experimental?

[H.J. Lu]

Hi,

According to

http://gcc.gnu.org/ml/libstdc++/2010-04/msg00064.html

One reason of --enable-libstdcxx-time=no on Linux is
"not all users will want for an experimental c++0x mode."
Is this feature still  experimental today?

Thanks.

-- 
H.J.