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AMA with Matti Tahvonen, Product Owner of Vaadin Flow

We held our first AMA (Ask Me Anything) with Matti Tahvonen, Product Owner of Vaadin Flow, on our official Discord server on February 4. Some very interesting questions came up and we’ve summarized the highlights in this post. First things first: who is Matti? In his own words: Hello, I’m one of ...
Test results

Introduction to load testing with Apache JMeter

Load testing allows you to simulate multiple users interacting with your application. This allows you to experiment with a real-world load on your application and understand its behavior under different levels of stress. In this article, I'll show you, step by step, how to run load tests on a ...
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Re-introducing OSGi support for npm-based Flow projects

Vaadin has been a popular UI technology for OSGi-based Java solutions for years. Many OSGi users are still on Vaadin 7 or 8. Last year their migrations almost stalled, as Vaadin 14 only supported OSGi in the “compatibility mode". Compatibility mode uses the deprecated Bower + WebJars-based solution ...

Vaadin meets Vert.x

Vaadin server-side applications usually run in a servlet container, such as Jetty, Tomcat, or Undertow. However, Vaadin is not limited to these environments. The Vaadin building blocks are wisely designed on top of abstractions—VaadinRequest, VaadinResponse, VaadinService, VaadinSession, and ...
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Vaadin 18 brings enhancements for Fusion and Flow

Today we released Vaadin 18. It contains new component features and enhancements for Fusion and Flow. New and enhanced components Avatar and AvatarGroup The new Avatar and AvatarGroup components display the user’s avatar image or their initials in a colored circle. Additionally, you can create a ...

Introducing Vaadin Flow and Fusion

We received a lot of feedback from our community regarding the TypeScript view support we added in Vaadin 15. Many of you were excited about the new capabilities it offers for Vaadin apps. But, there was also some confusion about this change. In particular, many in our community asked: "How does ...

Vaadin 10 learning resources

Vaadin 10 was recently released, and it’s been received with great enthusiasm. By the time of writing this, there are over 40 components available in Vaadin Directory that support Vaadin 10.  We have had a webinar and an introduction video about Vaadin 10, as well. And although the documentation ...

But why Web Components?

Vaadin recently announced Vaadin 10 consisting of developer tools, Vaadin components, and Vaadin Flow. Vaadin Flow comes with many new features and one of the biggest is the usage of Web Components for the client-side, instead of GWT components. There is no big difference on the server-side from a ...