UPDATE (January 22nd, 2019): We are seeing a lot of comments from people who claim they are still having trouble with HDMI output from Netflix.
We have just re-tested and currently observe no problems at all using HDMI output with the Netflix app to watch video – both streamed and downloaded.
But do keep in mind that Netflix only works with a genuine Apple HDMI adapter. Counterfeit adapters can not play back copy protected video.
Only Apple’s adapter supports HDMI copy protection, which…