Lumion was the first rendering LiveSync partner we released for in the freshly rolled out 2019 SP3. We plan to integrate with more of these applications like TwinMotion as soon as possible.

I was asked a few times why Lumion was chosen first, and it was mainly because the project simply moved along the fastest and our contacts at Lumion responded the quickest to our reaching out. We absolutely don't intend to limit external renderer choices to Windows.
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