I believe that jellyfin has been transcoding using jellyfin-ffmpeg. I do have logs labelled “FFmpeg.Transcode-…” which seem to look fine. I have just turned on hardware acceleration though. Is that what you meant by “hardware transcoding”?

Ill check to see if the buffering is improved and will let you know how it goes! Thanks for the advice!

Did you have a source for this? This sounds very interesting!