Vaadin Flow 2.2.0.alpha9 is a prerelease of the Java Framework targeted to Vaadin 14.2 that includes a number of new features and enhancements. To try it out, use the latest 14.2 prerelease available from prereleases Maven repository https://maven.vaadin.com/vaadin-prereleases/

2.2 Feature Highlights

Faster and more reliable frontend dependency management by using pnpm

• Faster recurring builds in comparison to npm (benchmarks)
• Packages are by default cached locally and linked instead of downloaded for every project
• More reliable build when updating Vaadin version
• Only one package.json file used, reducing complexity (previously another file was in /target)
• No migration needed, see differences here for more information about what has changed
• For running pnpm on a CI server, please see details here

Portlet 3.0 support for Pluto portal

• Enabled by using an add-on
• Documentation and demo

Bug fixes

• pnpm log output should be cleaned #7259
• disable pnpm "new version is available" console message #7227
• pnpm log output says funny things #7260
• Lots of missing npm packages errors when pnpm 3.8.1 is globally installed #7219
• Faulty exception message when using pnpm #7182

Deprecations since 2.1

• None

Dependency Updates in 2.2

• Following webpack dependencies have been updated:
  • webpack-cli 3.3.0 -> 3.3.10
  • webpack-dev-server 3.3.0 -> 3.9.0
  • webpack-babel-multi-target-plugin 2.1.0 -> 2.3.3
  • copy-webpack-plugin 5.0.3 -> 5.1.0

Changes since previous 2.2 prerelease

See complete list of changes in 2.2.0.alpha9