I use Serviio to stream x264 encoded MP4s to Samsung smart TVs (some 4k) and Rokus (also 4K) from my home server. I have always used Handbrake to encode my DVD and Blu-ray rips. I have ripped a few UHD Blu-rays using AnyDVD and MakeMKV. I would like to encode them as x265 10 bit encoded MKVs. I have tested this format on my TVs and Rokus. I would like to compress the video but retain UHD resolution, 10 bit color, HDR metadata, and ATMOS or TrueHD 7.1 audio. I cannot use Handbrake for this because it has an 8 bit pipe. My understanding is it converts 10 bit video to 8 bit and then back to 10 bit if 10 bit is selected. I have also confirmed with MediaInfo that it does not retain the HDR metadata. I have tried CloneBD but for some reason it also did not pass through the HDR metadata. Plus, CloneBD does not let me adjust the x265 quality (Constant Rate Factor) or presets. I am looking to suggestions for other x265 GUI encoders that will retain 10 bit color, HDR metadata, and pass through ATMOS or TrueHD. Thank you.