Adjusting a few default settings can transform your Plex experience, by making streaming smoother and more reliable.
All it takes is one mistyped environment variable and hardware transcoding stops working.
I just received an Intel Arc 380 GPU today (bought for ~$115) that I intend to use exclusively as a HW decoder for my Plex system as my system (based on an Intel Xeon E3-1245v3) can't transcode 4k ...