Color corruption on resize when HW Transcoding HEVC content to h264, + 4K subs - Synology DS918+ NAS

Plex Media Server NAS & Devices
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Forgot to mention - currently using Version 1.11.1.4730 (64bit) - but this issue has been present in all versions since I started using Plex a month ago.

Plex Server cannot handle transcoding with subtitles