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Vaadin Flow is a Java framework binding Vaadin web components to Java. This is part of Vaadin 10+.

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### Describe your motivation Currently the vaadin-maven-plugin is correctly setup to support correctl parallelized build. ### Describe the solution you'd like The issue is currently If I try to build...

enhancement
maven-plugin

### Describe your motivation Actually the [documentation pages](https://vaadin.com/docs/latest/flow/configuration/maven) do not contain all existing goals in the vaadin-maven-plugin. For example the `clean-frontend` is completely missing which is very helpful. Otherwise users...

enhancement
maven-plugin
documentation

### Describe your motivation The binder support to change all fields from readonly and back. If you build up complex forms with custom subcomponents, the binder does not support notifications...

enhancement
binder

### Describe your motivation If setter fails, Java doesn't tell the name of the field to which the write failed: ``` java.lang.IllegalArgumentException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at...

enhancement
binder

It's a relatively common pattern to initialize some state when a component is attached and then do the reverse when the component is detached. One typical example of this is...

enhancement
core

### Describe your motivation I would like to decide during runtime if a route should be preserved on refresh. Currently this is only possible by placing the ``PreserveOnRefresh`` Annotation. ###...

enhancement
preserve-on-refresh

It would be beneficial for Details to implement HasWidth not HasHeight since it always wraps its children and doesn't respond well to explicit heights.

enhancement
components

### Description of the bug From https://vaadin.com/docs/latest/routing/lifecycle: "A typical use case for this event is to ask the user whether they want to save any unsaved changes before navigating to...

bug
Impact: High
Severity: Minor

When adding a Key Listener on a KeyNotifier the keys are filtered on the server side. Each key event is sent to the server, and this produces 1) unnecessary traffic...

enhancement

### Description of the bug When java code invokes Element.setText("someText") this always results in dom changes being sent to the browser, even if the text is not changing. While not...

enhancement
needs design