We are having similar issues and need to get a project out. Did you manage to sort your issues with resolve when rendering a 4K red timeline and the new mac pro???
Thanks!
Tom
Please feel to email me direct at tom at pollenstudio dot co dot uk
I’ll try and do that tomorrow – I’ve got AppleCare and red looking into it but nothing so far. Noise industries is on there but can come off if it forced a clash. Thanks for your help so far.