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Vaadin 14.4.0.beta2
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latest releases: 24.6.0.alpha3, 23.5.10, 24.5.4...
pre-release4 years ago

Vaadin 14.4.0.beta2

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

Visit vaadin.com to get started.

Support

Vaadin 14 is an LTS (long term support) version, which will be supported for 5 years after the GA (general availability) release. More details of our release model are available on our roadmap page.

Vaadin also provides commercial support and warranty.

New and Noteworthy Since 14.3

  • Field helpers
    • Slot below/above input fields for supplying additional information or content related to the field.
  • Parallelized dev-mode startup
    • Dev mode initialization and webpack build is run in a separate thread and a temporary page telling front-end build is ongoing is shown until compilation is done. This speeds up the deployment time (as Java services like Hibernate can start in parallel) and fixes deployment timeout issues in IDEs

Changes since 14.4.0.beta1

Included Projects and Change Log

Vaadin includes the following projects. Release notes with detailed change logs for each project are linked below.

Projects marked as (Pro) are available for users with Pro or Prime subscriptions. Everything else is free and open source.

Components

Themes

  • Vaadin Lumo theme (v1.6.0)
  • Vaadin Material theme (v1.3.2).

Java Web Framework

Tools

Getting Started with Vaadin 14

App starters

The best way to get started with Vaadin 14 is to go to https://vaadin.com/start and pick an app template for the technology stack you’re interested in.

Manually changing Vaadin version for Java projects

Add the following contents to your project pom.xml. 

<dependencyManagement>
    ...
    <dependency>
        <groupId>com.vaadin</groupId>
        <artifactId>vaadin-bom</artifactId>
        <version>14.4.0.beta2</version>
        <type>pom</type>
        <scope>import</scope>
    </dependency>
    ...
</dependencyManagement>
<repositories>
    <repository>
        <id>vaadin-prerelease</id>
        <url>https://maven.vaadin.com/vaadin-prereleases</url>
    </repository>
</repositories>
<pluginRepositories>
    <pluginRepository>
        <id>vaadin-prerelease</id>
        <url>https://maven.vaadin.com/vaadin-prereleases</url>
    </pluginRepository>
</pluginRepositories>

Known Issues and Limitations

This is the prerelease version of Vaadin 14.x for evaluating a number of new features and bug fixes. The API in this prerelease version is not considered final and may change based on user feedback.

OSGi support

  • OSGi with npm does not work in V14.0.0-V14.2.0. We are working on a fix for V14.x.
  • OSGi with Bower has problems with V14.0.0-V14.3.0

Flow

  • The Template-in-Template feature has some limitations
  • There are some issues in using Web Sockets as the Push channel in certain OSGi environments, but long polling works.

Components

  • The dark theme preset does not work in IE11 when applied to the <html> element.

Migrating from Vaadin 8

See the migration guide

Migrating from Vaadin 10-13

See the migration guide

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 when using the HTML/JS API of a component or the component renders incorrectly, the problem is likely in the web component. The web component repositories are named like https://github.com/vaadin/vaadin-button
  2. If you encounter an issue when using the Java API of a component, the problem is likely in the Flow integration of the web component. The Flow component integration repositories are named like https://github.com/vaadin/vaadin-button-flow
  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
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