We’ve just released another patch release. See the release notes for more details on the bug fixes.
Here are the links:
Wt 4.2.2 (C++): download wt-4.2.2.tar.gz (release notes)
Wt 3.5.2 (C++): download wt-3.5.2.tar.gz (release notes)
JWt 3.5.2 (Java): download jwt-3.5.2.zip (release notes)
Binary builds for Windows are available on the GitHub releases page.