I have a EX30 and it’s not compatible with this addon or the official integration.
I’ve sniffed the application and it seems that it uses a completely different API (the same one used by Smart #1/#3, what makes sense).
I’ve contact Volvo Developers asking if the EX30 will be compatible with the current Public API.
They said that the EX30 data will be available soon and they will have an update after summer vacations.
Hope it uses the same API and all the same endpoints, so there’s no need to make changes on this addon