TS/M2TS doesn't work for these models.
Also the same limitations like only lossy audio supported (e)ac3 and no PGS subs (if that's even supported for MP4 containers).
External .srt work.
Tested using both Plex and Emby.
So I guess if you're sharing your videos over internet with Plex or Emby (and they don't exceed bitrate of 100mbit), Profile 8 with MP4/eac3 and external subs is most compatible across all devices.
Also I've been comparing FEL with MEL (profile
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It's only too bad mp4muxer is such a slow application compared to TSMuxer.
I hope in the future somebody could optimize it a bit (making use of multiple threads for example).