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> sorry can't provide more information right now Why not? Are you looking for instructions for how to provide more info? You should enable debug logging for the integration, restart...

The device doesn't tell us what version is available, only that there's a new one. So yes, that is the expected behaviour. https://github.com/siku2/hass-vzug/blob/5931c7308ece4c1cb5b2e0343927f1dd291d65d2/custom_components/vzug/update.py#L95-L97