We must admit we absolutely wanted this before 2015 ended, not only to have more reason for partying, but also to simply end the agonizing RC cycle.
We thus uploaded a final release for 3.3.5. Windows binaries will follow soon.
Here are the main links:
C++ Wt: download wt-3.3.5.tar.gz and read its release notes
Java JWt: download jwt-3.3.5.zip and read its release notes