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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 In the local environment, if you work with JRebel -or any other hot swapping tool- PreserveOnRefresh annotation becomes a problem. You need to comment it out...

enhancement
preserve-on-refresh

### Description of the bug `PWARegistry` is eagerly initialized in its constructor. This is called on the first request to the server, so in dev mode it happens after the...

bug
performance
Impact: High
Severity: Minor

### Description of the bug The [`getMaximumAllowedItems()` algorithm in DataCommunicator](https://github.com/vaadin/flow/blob/1cacea3e2e3e8ffd66dabe433c8a22d2528c1884/flow-data/src/main/java/com/vaadin/flow/data/provider/DataCommunicator.java#L1444) should have a reasonable minimum. The current maximum allowed items / data request is determined with the pattern `10 *...

bug
data provider
Impact: Low
Severity: Major

### Describe your motivation There is no use case for setting a custom push URL. It is similar to the URL used for UIDL requests. If you run a normal...

enhancement
push

### Description of the bug After updating from VAADIN 23.1.7 to VAADIN 23.2.0, the (main page of the) application can't be displayed anymore. In the Chrome console, the error is...

bug
workaround
Impact: High
Severity: Major
vite

### Description of the bug We have just upgraded from vadin 23.1.3 to 23.2.0 We have an oauth login process that displays a 'validating login' page which is displayed whilst...

waiting for author

### Description of the bug **Issues** There are multiple related issues with the same root cause. Issues: 1. Sometimes when our projects project starts, the version of _date-fns_ library in...

bug
Impact: High
Severity: Major

### Describe your motivation When you are starting an application in development mode, a couple of things that are not fast have to happen: 1. If there is no node...

enhancement

When a bean, such as a JPA entity, implements fluent setters public Node setName(String name) { this.name = name; return this; } Trying to bind it with the property name...

enhancement

### Description of the bug The generated app shell contains `` even if `Locale.getDefault()` returns "de_DE". This is different from Vaadin 14. No `I18NProvider` is used. But even if one...

bug
workaround
Impact: High
Severity: Major