Vaadin Flow 2.2.0.alpha8 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

• Use pinned pnpm version 4.5.0 and exclude pnpm from dependencies (#7183)
• Fixes parent-child relationships of components after deserialization (#7190)
• Fix V14+ application doesn't on Safari 10 (#6817)
• Unregister listener when disconnecting web component (#7061)
• Make links focusable (#7155)
• Fix broken mobile dnd polyfill for ipad on iOS13 (#7123)
• Copy resource for jar packaging (#6994)

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.alpha8