Plex displays wrong colours with Dolby Vision on AppleTV 4k

Users having issues with HDR content in non-cross-compatible proprietary formats on devices with platform-provided support for that content should verify that there is no other reason that a transcode would be required for the file in question (bandwidth settings, etc); if not, please post client (e.g. iOS, tvOS) and server logs to facilitate further investigation.

For devices without platform-provided support for the content in question, we’re unfortunately not able to provide the features you’re requesting due to intellectual-property licensing constraints. We’d be entirely able to decode, display, and convert this content at a technical level (the technology involved is fairly simple), but we can’t build capabilities into our apps when patents on those capabilities may be held by highly-litigious third parties.

If you’d like us to be able to provide support for these formats, I’d recommend contacting the format vendor and requesting that they make their essential patents available in ways that are compatible with consumer software and open-source tools. Barring that, you can contact your local elected officials and demand legislative change to prevent individual companies from enforcing complete monopolies over technologies that are essential to perform basic tasks such as merely playing back media files. Until one of those two things change, our hands will remain tied. Thank you for your understanding.

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