Vaadin Framework 8.1.0.alpha4

Vaadin Framework 8.1.0.alpha4 is a pre-release version for evaluating the enhancements mentioned below. With subsequent alpha releases we will change things based on your feedback, and that may lead to API breaking changes.

Notable Changes Since Alpha3:

TreeGrid and HierarchicalDataProvider

• Added keyboard navigation to TreeGrid
• Added server-side API to expand and collapse nodes in TreeGrid
• Samples
• Documentation
  • TreeGrid
  • HierarchicalDataProvider
• Hierarchical data support is still Work In Progress, see the Epic issue

See complete list of changes since 8.1.0.alpha3

For full list of new features in 8.1, please see the previous alpha versions' release notes.