We have just released 3.1.1 versions of Wt and JWt. These releases are maintenance releases and provide mostly bug fixes and feature polishing.
Read the detailed release notes
Download the C++ Wt / Java Wt packages.
Update 22/2 An MSVC build problem has bene fixed in the C++ package, the new package version is now wt-3.1.1b
c:\witty\src\web\escapeostream.c(279) : error C4716: 'Wt::EscapeOStream::iterator::char_proxy::operator=' : must return a value