Marco Collovati

@lazizbektulanov Could you please post the full logs? If you start the application with maven from the command line, please add these arguments to the command: `-Dorg.slf4j.simpleLogger.showDateTime -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss.SSS`

https://github.com/vaadin/hilla/issues/838 might already have been fixed by #17088

I cannot replicate the issue with the reported configuration (Vaadin 24.3.1, Spring Boot 3.2 and Jetty 12.0.3). It would be helpful to put a conditional break point at line 1450...

I created an issue on the atmosphere repository to see if the issue can be fixed there https://github.com/Atmosphere/atmosphere/issues/2501

A dirty workaround: install a RequestHandler that removes the attribute if it is null ```java @Bean VaadinServiceInitListener removeNullAttribute() { return serviceInitEvent -> serviceInitEvent.addRequestHandler((session, request, response) -> { String jettyAttribute =...

Some tests to fix, but other than that LGTM

Would it be better to make it a draft again, to prevent unwanted merge?

See https://github.com/vaadin/flow/pull/18769#issuecomment-1959365972 for proposed design

This is the [PR](https://github.com/vaadin/docs/pull/3191) that fixed the docs on `next` branch. It should probably be picked into `latest`

Here's the cherry-pick to latest: #3327 @jouni should this be back-ported also to `v23`, `v22` and `v14`? It should probably be done manually because of the different folder structure. If...