I tried using apt-get and docker images, always choosing latest but I didnt add a specific sources.list, it was just found without adding anything...
$ apt search tvheadend
tvheadend/stable,now 4.3-1994~gc7b713edb~bullseye arm64 [installed]
Tvheadend
With Docker I used Linuxserver.io
https://hub.docker.com/r/linuxserver/tvheadend
I didnt submit a bug report because I assumed it was just my aerial or cabling. It was only by chance that I opened the HDHomerun app and it worked perfectly. Since then I also setup Plex and Jellyfin and the streams work perfectly on those too so I am using those to record now.
I'm happy to provide logs if it will help. I will look up how to turn on debug logging but if its the same info that I get when I turn on debug in the GUI (bottom window) then that did not provide anything interesting other than reporting the continuity error same as the original post above
2023-07-03 17:29:40.709 TS: Saorview/594MHz/Challenge: H264 @ #2108 Continuity counter error (total 1)
2023-07-03 17:29:40.709 TS: Saorview/594MHz/Challenge: MPEG2AUDIO @ #2208 Continuity counter error (total 1)
2023-07-03 17:29:40.710 TS: Saorview/594MHz/Challenge: TELETEXT @ #2308 Continuity counter error (total 1)
2023-07-03 17:29:42.193 TS: Saorview/594MHz/Challenge: MPEG2AUDIO @ #2408 Continuity counter error (total 1)
2023-07-03 17:29:51.081 TS: Saorview/594MHz/Challenge: H264 @ #2108 Continuity counter error (total 35)
2023-07-03 17:29:51.082 TS: Saorview/594MHz/Challenge: MPEG2AUDIO @ #2208 Continuity counter error (total 22)
2023-07-03 17:29:52.119 TS: Saorview/594MHz/Challenge: TELETEXT @ #2308 Continuity counter error (total 9)
2023-07-03 17:29:59.970 TS: Saorview/594MHz/Challenge: MPEG2AUDIO @ #2408 Continuity counter error (total 12)
I have attached the output of the event