Vaadin Framework 8.1.0.alpha3

Vaadin Framework 8.1.0.alpha3 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 Alpha2:

TreeGrid and HierarchicalDataProvider

• Possibility to disable collapsing an expanded node in TreeGrid #8846
• Avoid fetching extra items when expanding TreeGrid nodes #8790
• Samples
• Documentation
  • TreeGrid
  • HierarchicalDataProvider
• Hierarchical data support is still Work In Progress, see the Epic issue

HTML5 Drag And Drop Support

• Support for server side drag data #8894
• Provide drop effect in DragEndEvent but not in DropEvent #8895
• Sample
• Documentation
• Built-in HTLM5 file support is still missing
• Support for DnD operations with Grid's rows is still Work In Progress, see the Epic issue

Small enhancements:

• LocalDateRender and LocalDateTimeRenderer #8377
• Programmatically set Grid’s row height #8667
• Content mode for TabSheet.Tab description #8590
• Using textContent instead of innerText for Grid TextRenderer (optimization)

See complete list of changes since 8.1.0.alpha2

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