Update 24.3.9 to 24.5.2 frontend not loading, no error in log

Hi there, been trying to update to the new vaadin 24 version and use the new features as a new Vaadin Designer which were displayed in the live video on youtube.
Problem: the build runs without a problem, these errors were only found through F12 dev tools. any ideas?

The first error is “Dev tools functionality denied for this host.”. It should be accompanied by a more extensive log row in the server log.

If you are not running development using “localhost” you need to allow the dev tools connection using the vaadin.devmode.hostsAllowed property. See Properties | Configuration | Flow | Vaadin Docs

the problem seemed to be the vaadin overlay, once i updated the lookup-field-flow dependency it then worked.
All that is missing is the designer icon which was released with the new vaadin version 24.5.2.

vaadin.devmode.hostsAllowed in my dev-yaml doesnt seem to be having any effect

Additionally the addon to the dev-yaml doesnt show the dev tools icon either

vaadin:
productionMode: falase