The Netflix app added support in the update this week. If you go in and search for HDR it'll bring up all they have to offer.
Instead of VLC, perhaps use Iina as player. hevc/hdr uhd 4k content players back fine on i7 iMac.I tried playing a 4K HDR video on VLC on my 2017 IPP 12.9 it was impossible to tell if the HDR worked because the video kept freezing.
The Netflix app on ipad pro 10.5 does not support HDR anywhere yet while the tab S3 plays HDR currently only on Amazon prime video.The Netflix app added support in the update this week. If you go in and search for HDR it'll bring up all they have to offer.
Instead of VLC, perhaps use Iina as player. hevc/hdr uhd 4k content players back fine on i7 iMac.