Alpha16: Maintenance Release

New Features

• StreamResource shorthands added to Anchor and Image (#3250). Contributed by @heruan.
• Added a dedicated wrapping mode enum for usage with initial page settings (#3249).
• Added shorthands addLink and addFavIcon to InitialPageSettings (#3247).

Bug Fixes

• Stack traces for exceptions thrown during navigation are now correctly displayed in production mode (#3266).
• Fix detaching of state nodes (#3235).

Documentation

• New tutorial for basic component features, including Component::setVisible introduced in 1.0.0.alpha15
• Added additional documentation for error handling during navigation

⚠️ Breaking changes

• BeforeNavigationEvent has been replaced with BeforeEnterEvent and BeforeLeaveEvent (#3260).

All Changes

https://github.com/vaadin/flow/milestone/65?closed=1