(J)Wt 4.10.0 mainly consists of back-end improvements and some new convenience features. There were some issues with persisting dates and time in Sqlite3 that have been resolved.
Users will now be able to more conveniently allow for an input field to accept an email address, and validate said email address.
Here are the links:
Wt 4.10.0 (C++): download wt-4.10.0.tar.gz (release notes)
JWt 4.10.0 (Java): download jwt-4.10.0.zip (release notes)
Binary builds for Windows are available on the GitHub releases page.