Dataverse seems to have the ISV Studio
Power Apps Portals connects to Dataverse via AAD and thus should be relevant to ISV Studio
Dynamics 365 seems related to ISV Connect
Power Apps Portals connects to Dynamics 365 and therefore should relate to ISV Connect
Connect to Dynamics 365 from Power Apps
Portals connectivity to a Microsoft Dataverse environment
https://docs.microsoft.com/en-us/powerapps/maker/portals/admin/connectivity
The first Microsoft-sponsored Power Platform Conference is coming in September. 100+ speakers, 150+ sessions, and what's new and next for Power Platform.
This training provides practical hands-on experience in creating Power Apps solutions in a full-day of instructor-led App creation workshop.