Why or how is Discover failing to enumerate updates?

  • PowerShell 7.6.2-0-g0d3c290a8737d4252ee75c052d16190ffcdb7d19
    PS /home/beedell.roke_julian_lockhart> sudo dnf upgrade --refresh
    [sudo] password for beedell.roke_julian_lockhart: 
    Updating and loading repositories:
     warpdotdev-preview                                                                                                100% |   2.4 KiB/s |   1.5 KiB |  00m01s
     Fedora 44 - x86_64 - Updates                                                                                      100% |   3.1 KiB/s |  17.5 KiB |  00m06s
     Terra 44                                                                                                          100% | 277.0   B/s |   1.4 KiB |  00m05s
     RPM Fusion for Fedora 44 - Nonfree - Updates                                                                      100% |   2.0 KiB/s |   8.3 KiB |  00m04s
     RPM Fusion for Fedora 44 - Nonfree tainted                                                                        100% |   2.2 KiB/s |   8.3 KiB |  00m04s
     RPM Fusion for Fedora 44 - Nonfree                                                                                100% |   2.5 KiB/s |   9.0 KiB |  00m04s
     RPM Fusion for Fedora 44 - Free - Updates                                                                         100% |   2.5 KiB/s |   8.2 KiB |  00m03s
     RPM Fusion for Fedora 44 - Free tainted                                                                           100% |   2.8 KiB/s |   8.2 KiB |  00m03s
     RPM Fusion for Fedora 44 - Free                                                                                   100% |   3.5 KiB/s |   8.9 KiB |  00m03s
     mozilla - Created by dnf5 config-manager                                                                          100% |   2.2 KiB/s |   1.4 KiB |  00m01s
     Fedora 44 - x86_64 - Debug                                                                                        100% |   7.8 KiB/s |  16.2 KiB |  00m02s
     Fedora 44 openh264 (From Cisco) - x86_64                                                                          100% | 703.0   B/s | 986.0   B |  00m01s
     Fedora 44 - x86_64                                                                                                100% |  18.4 KiB/s |  19.6 KiB |  00m01s
     Visual Studio Code                                                                                                100% |   2.4 KiB/s |   1.5 KiB |  00m01s
     Adoptium                                                                                                          100% |   3.1 KiB/s |   1.7 KiB |  00m01s
    Repositories loaded.
    Package                                           Arch        Version                                            Repository                            Size
    Upgrading:
     HandBrake-gui                                    x86_64      0:1.11.2-1.fc44                                    rpmfusion-free-updates             5.7 MiB
       replacing HandBrake-gui                        x86_64      0:1.10.2-5.fc44                                    rpmfusion-free                     5.3 MiB
     code-insiders                                    x86_64      0:1.125.0-1781286908.el8                           code                             807.1 MiB
       replacing code-insiders                        x86_64      0:1.125.0-1781172549.el8                           code                             792.6 MiB
     firefox-nightly                                  x86_64      0:153.0a1-20260614093100                           mozilla                          371.6 MiB
       replacing firefox-nightly                      x86_64      0:153.0a1-20260612211620                           mozilla                          371.4 MiB
     signal-desktop                                   x86_64      0:8.14.0-1.fc44                                    terra                            392.2 MiB
       replacing signal-desktop                       x86_64      0:8.5.0-1.fc44                                     terra                            464.1 MiB
    
    Transaction Summary:
     Upgrading:          4 packages
     Replacing:          4 packages
    
    Total size of inbound packages is 493 MiB. Need to download 493 MiB.
    After this operation, 57 MiB will be freed (install 2 GiB, remove 2 GiB).
    Is this ok [y/N]:
    

What’s strange is that even the first-party plasmoids do not replicate this:

My Environment

Operating System: Fedora Linux 44
KDE Plasma Version: 6.7.2
KDE Frameworks Version: 6.27.0
Qt Version: 6.11.1
Kernel Version: 7.0.14-201.fc44.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 7600X 6-Core Processor
Memory: 32 GiB of RAM (30.4 GiB usable)
Graphics Processor 1: AMD Radeon RX 5700
Graphics Processor 2: AMD Ryzen 5 7600X 6-Core Processor
Manufacturer: ASRock
Product Name: X670E Taichi