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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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After Vite will become the primary tool (#13852) we need to set up an additional nightly build to run Flow test suite with Webpack to avoid regressions. An idea could...

internal improvement
testing

### Describe your motivation The manifest file is denied when a web application is running behind a "guard/proxy". An example of a "guard" is [Google Identity-aware Proxy (IAP)](https://cloud.google.com/iap) which adds...

enhancement
pwa

### Description of the bug / feature If I use Page.setLocation() (introduced in #4869) to navigate to an external API, the browser might block navigation with window.onbeforeunload. We use this...

bug
Impact: High
Severity: Minor

## Description This patch fixes timing issues that may cause events to happen in wrong order on the server side. Fixes # (issue) ## Type of change - [ ]...

+0.0.1
Contribution

### Describe your motivation There is no way to get the current path in the `UIInitEvent`. Since `VaadinRequest.getPath()` returns "/". But i don't see why this should be a problem...

enhancement

### Description of the bug When a page is closed, heartbeats stop, but the UI is not destroyed and detached, even after a long time. ### Expected behavior the UI...

bug
Impact: High

### Describe your motivation Currently, the interface `HasUrlParameter` only works if the type parameter is one of the below types: - Long - Integer - String - Boolean There is...

enhancement
routing
DX

### Describe the bug `The web application [/App] created a ThreadLocal with key of type [org.jsoup.internal.StringUtil$1] (value [org.jsoup.internal.StringUtil$1@361160a7]) and a value of type [java.util.Stack] (value [[]]) but failed to remove...

external dependency
waiting for author

### Description of the bug / feature We experience bad performance when opening/switching views with deep nested flex layouts in our App. Web page freezes for 5-6 seconds. Profiling shows...

performance
firefox

### Description In certain situations, fields simply do not appear. ### Expected outcome This is what I expect to see: ### Actual outcome This is what I actually see: Note...

DX
maven-plugin
investigation
gradle
documentation