Teo Lachev has written a plugin:
It dawned on me that while waiting on Microsoft, I could fill these gaps myself by creating an Excel add-in. That is how the Semantic Table add-in was born. It picks up right where default connected tables leave off.
Others have already explored this path, such as Jörg Schmidt with his PBIXL add-in. However, I’ve taken a different implementation approach focused on these core features:
Click through for the approach, as well as an important warning that this is a very early beta. I think the GitHub repo is this one, as Teo didn’t include the link in his post as of the time my post went live.