Vaadin 21.0.3

Vaadin consists of a set of web components, a Java web framework, configurable themes, tools and a set of app templates.

This is a maintenance release of Vaadin.
See the full release notes for vaadin 21.0 in GitHub releases, including new features, getting started, supported browsers and other technologies, and migration notes.

Visit vaadin.com to get started.

New and Noteworthy

Here are the highlighted new and improved features in this maintenance release.

Flow 8.0.3

Vaadin Web Components 21.0.3

Vaadin Flow Components 21.0.3

Vaadin Multiplatform Runtime (Prime) (5.0.5)

Support

vaadin 21 is supported for one month after Vaadin 22 has been released. The latest LTS (long term support) version is Vaadin 14. More details of our release model are available on our roadmap page.

Vaadin also provides commercial support and warranty.

Getting Started with Vaadin

App starters

The best way to get started with Vaadin is to go to https://start.vaadin.com and configure your new application by setting up your views, entities, styles, and the technology stack you’re interested in.

For the full list of how to get started go to the GitHub releases.

Known Issues and Limitations

Flow

Components

Reporting Issues

We appreciate if you try to find the most relevant repository to report the issue in. If it is not obvious which project to add issues to, you are always welcome to report any issue at https://github.com/vaadin/platform/issues.

A few rules of thumb will help you and us in finding the correct repository for the issue:

1. If you encounter an issue with the TypeScript and HTML API of Vaadin components, the repository is https://github.com/vaadin/web-components
2. If you encounter an issue with the Java API of Vaadin components, the repository is https://github.com/vaadin/flow-components
3. If you encounter an issue with Flow which does not seem to be related to a specific component, the problem is likely in Flow itself. The Flow repository is https://github.com/vaadin/flow
4. If you encounter an issue with Designer, the repository is https://github.com/vaadin/designer
5. If you encounter an issue with TestBench, the repository is https://github.com/vaadin/testbench