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Upgrade your Java desktop app to the web with Vaadin Modernization Toolkit

Vaadin uses Java, and for that reason, it has been a popular choice for migrating Java desktop applications like Swing to the Web. Inspired by the experience of many organizations making the journey to Vaadin, we are pleased to introduce the latest innovation in our offering - the Modernization ...
Learn how to migrate add-ons from Vaadin 8 to Vaadin 24.

How to migrate add-ons from Vaadin 8 to Vaadin 24

If you're familiar with Vaadin, you know that add-ons significantly enhance the development experience. They offer a wealth of additional functionality, widgets, and presentation options for your Vaadin-based applications. Upgrading to a newer Vaadin version can sometimes lead to compatibility ...
Free support for Vaadin 23 is coming to an end. Here's how to move forward.

What's next for Vaadin 23 users as free support ends?

As highlighted in our roadmap, free support for Vaadin 23 will conclude on March 8th, 2024. From Vaadin 23 and Hilla 1 onwards, our simpler release model ensures that all major versions receive free support for one year after the release of a new major version. We're committed to helping with ...
Meet the Vaadin Champions

Announcing the Vaadin Champions

Celebrating lifetime achievements and contributions to the Vaadin community We are thrilled to announce the initial recipients of the Vaadin Champion Award, a new lifetime recognition given to individuals who have made significant contributions to the Vaadin community. At Vaadin, we take immense ...
Secure Coding practices 2: Binary upload validation

Secure coding practices 2: Binary upload validation

When it comes to web applications, security is a paramount concern, and the Open Web Application Security Project (OWASP) offers essential guidelines to fortify your app against various vulnerabilities. In the previous article of this series, we looked at the basic user input validation. In this ...
Secure Coding Practices 1: User input validation

Secure coding practices 1: User input validation

When it comes to web applications, security is a paramount concern, and the Open Web Application Security Project (OWASP) offers essential guidelines to fortify your app against various vulnerabilities. In this article, we'll focus on basic user input validation using Java and Vaadin. For more ...
Testing Vaadin Applications Using Playwright

Testing Vaadin applications and add-ons using Playwright

Playwright is a browser automation tool similar to Selenium (WebDriver). These tools can be used as such to implement end-to-end tests that simulate actual user actions through the browser. Often, those are used through higher-level testing libraries such as Vaadin TestBench (built on top of ...
Vaadin Flow 24.3

Vaadin Flow 24.3: Enhancing DX, theming upgrades, and Multi-Select Combo Box improvements

We are excited to announce the release of Vaadin Flow 24.3, a significant update that brings a range of improvements and new features to the Vaadin platform. This release focuses on enhancing the developer experience, improving application performance, and expanding the capabilities of Vaadin Flow ...
Embedding Vaadin Flow Apps in a React-Based Web App

Embedding Vaadin Flow apps in a React-based web app

In my recent blog post, I discussed wrapping a component implemented with React in a Vaadin application. A greatly undervalued way to use Vaadin is by implementing only certain functions or parts of your web app or website. In that case, we are essentially doing the opposite: wrapping a Vaadin ...