I am one of Gary's affected users. Here is the sequence that Gary referenced:

C:\temp>hdhr2mxf
Found HDHomeRun PRIME HDHR3-CC (xxxxxxxx) with firmware 20190621.
Found HDHomeRun SERVIO HHDD-2TB (xxxxxxxx) with firmware 20190621.
HDHomeRun DVR Service is active.
Using available 14-day XMLTV file ...