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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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### Description of the bug in grid using lazy data loading, when we call method `GridLazyDataView.refreshItem(data)`. it will call the callback method `fetchCallback` of `public V setItems( com.vaadin.flow.data.provider.CallbackDataProvider.FetchCallback fetchCallback )`...

waiting for author
Impact: Low
Severity: Minor

### Description of the bug When using RouterLink and Anchor to a secured @Route with @PermitAll an error page is displayed when not logged in. Could not navigate to ''...

### Description of the bug When a dialog is shown (added to the body and set opened true), it does not get cleaned up when using browser back. Same goes...

enhancement
needs design
routing
investigation
UX

### Description of the bug mvn error trying to dowload mobile-drag-drop We are running vaadin 23.1.3. When we do a maven build we are getting a number of warnings that...

external dependency
add-on

### Description of the bug I am often getting the message in the log of Resynchronizing UI by client's request. The full message is: Resynchronizing UI by client's request. The...

investigation
push

## Description As the default package manager is npm ITs should be also validated by npm instead of pnpm. Using pnpm can still be considered as an option to improve...

+1.0.0

### Description of the bug When using [server side navigation](https://vaadin.com/docs/latest/routing/navigation/#server-side-navigation) (e.g. `UI.getCurrent().navigate("some-link")`) in a Vaadin v23.1.6 Application built with gradle and v14 bootstrapping enabled, the browser navigation history is displayed...

bug
Impact: High
Severity: Major
navigation

It happens occasionally that the server is not responding to any request ad hangs after this message appearing on the logs: 961017320 ERROR Browser engine version parsing failed for: mozilla%2f5.0+%28linux%3b+u%3b+android+10%3b+it-it%3b+mi+8+lite+build%2fqkq1.190910.002%29+applewebkit%2f537.36+%28khtml%2c+like+gecko%29+version%2f4.0+chrome%2f89.0.4389.116+mobile+safari%2f537.36+xiaomi%2fmiuibrowser%2f13.6.0-gn...

Impact: High
Severity: Major

### Description of the bug Vaadin flow 23, Srping boot Java 17. Using @JavaScript to load JS file to browser. However **onload** event does not auto trigger. Reference code here:...

waiting for author

### Description of the bug When there is missing frontend file referred in my element annotation in my Java annotation the error message explains what is missing, but not refer...

enhancement
DX