Javalin 4.1.0 released Validator improvements and and latest Jetty (Oct 2, 2021) What's Javalin? Javalin is a very lightweight Java and Kotlin web framework which focuses on simplicity and Java/Kotlin interoperability. Read more on our landing page. Changes The option to call Validator("name", myObject) has been added Jetty has been bumped to the latest version