We are extremely pleased to announce the release of Vert.x 4.

What’s new in Vert.x 4?

Vert.x 4 is the evolution of the Vert.x 3.x series that brings key features to Vert.x.

From Vert.x 3 to Vert.x 4

Vert.x 4 extends the Vert.x 3 line with a set of new features while providing the same Vert.x 3 experience: Vert.x 3 users will feel at home with Vert.x 4.

You can learn more about migrating from Vert.x 3 to Vert.x 4.

Without the community we are nothing

The community of people made Vert.x 4 a reality.

Special thanks go to Michel Krämer, the creator of this absolutely stunning website.

Finally

The 4.0.0 release notes as well as deprecations and breaking changes can be found on the wiki.

You can bootstrap a Vert.x 4 project using start.vertx.io.

The release artifacts have been deployed to Maven Central and you can get the distribution on Maven Central.

The Vert.x 4 eventbus JavaScript client library is now available in a single location and it now usable standalone or it can easily be integrated with any frontend build tool.

The Vert.x distribution is available from SDKMan and our HomeBrew TAP.

Docker images are available on Docker Hub.

That’s it! Happy coding and see you soon on our user or dev channels.