OK, great news :D Figured it out. Of course, it was my fault but it wasn't completely obvious at least. I just had to think back to the major changes I made during a recent upgrade. I recently upgraded my router and one key feature I wanted to take advantage of was pair-bonding (link aggregation ...

OK, so I stopped the SPK. Then I updated and ran the official hdhomerun setup to get the DVR running the "normal" way. Oddly the SPK is still not running but if I can still go to the HDHomerunDVR Manager at http://192.168.1.5/HDHomeRunDVR/# and now it shows:

DeviceID: 1080A7AB
FWName: hdhomerun5 ...

I've tried resetting everything. Sadly that doesnt appear to help. Also its always been set to 16 max streams

Here's also another thing I see when watching live:

20210717-00:22:51 Recording: starting new file Live channel 9.2 606fde77
20210717-00:22:51 Recording: sending request to 1080A7AB at ...

Turns out it's not working. I tried setting a recording for 1 PM after my conversation with @demonrik it still cant find tuners:

When I look at discover.json it says:
{"FriendlyName":"HDHomeRun CONNECT 4K","ModelNumber":"HDHR5-4K","FirmwareName":"hdhomerun5_atsc3","FirmwareVersion":"20210624 ...

I'm having an issue with recording. The DVR manager is not able to find the tuners and says I have 0 channels. When I visit the IP address of the tuner (HDHR5-4K) i have no problems and there appears to be nothing wrong with the tuner (all channels show up) and more importantly, I am able to watch ...

NEW PACKAGE AVAILABLE
- update to the 20180817 engine

new SPK HDHomeRunDVR-0.4.2-20180817.spk available in the usual locations Google Drive , DropBox , OneDrive

Code is available on github
https://github.com/Silicondust/dvr_install

Known Issues
- diagnostics.sh not updated for new api url ...