Other resources at illuminate include 4k production stages which also fit well with UltraFlix’s near-term initiatives
Netflix requirement notice...

https://backlothelp.netflix.com

So if I recall Ntek have been working fervently IMO with Apple to get studio ready for 4k production both in original and remastered...
I recall speaking to Ntek all they confirmed at the time was they're working hard in getting it done...