After version 4.1.1892 the list of ATSC-T predefined muxes is messed up. I only see two muxes (United States: us-CA-SF-Bay-Area and United States: us-CO-Denver). The most important one is United States: us-ATSC-center-frequencies-8VSB and it as well as the others are missing.
... this is ok. You should check the data/dvb-scan/atsc directory and if this directory is installed to the right directory (/usr/share/tvheadend/ in your case).
A bit strange - now at 1943 there are 0 atsc predefined muxes - nothing at our buildsystem is changed (only changed the version number). How can it differ, how much files are added, from build to build. Is there a good advice how to debug the inclusion of the scanfiles?
@CvH : You have enabled the data bundle (--enable-bundle), so all these files are packed in the tvh binary, so it's not required to copy them to the extra data directory.
Could you check, if 'DVB scan files path' is empty? If you overwrite the scan data location, the data might be read from another place.
--enable-bundle is possible to use data when is possible to download data first problem is in git pull run from dvb-scan it use local user to take data with return error deleting folder force recreation of folder without bug
Turns out the issue is with the change of the name of the ATSC network. When it was split into atsc-t and atsc-c the dvb-scan git was not updated. I have sent a pull request to update the dvb-scan files to match the new network names.