Thunderbird not showing up in base repo?

So, did a recent update from AlmaLinux 8 → 9, using leapp etc. More or less went without incident, but…really strange that a slew of basic applications aren’t showing up when I try to find them in various repos.

In particular, Thunderbird, but default email client. Was there in the AlmaLinux 8 install, but…disappeared during the update. And what is truly weird is that it isn’t showing up - like, at all - in any of the repos I have.

  sudo dnf upgrade --refresh

  sudo dnf install thunderbird -y

Error: No matching Packages to list

  sudo dnf list *thund*

Error: No matching Packages to list

Here are the repos I have on this particular machine:

 almalinux-synergy                   AlmaLinux 9 - Synergy
 appstream                           AlmaLinux 9 - AppStream
 baseos                              AlmaLinux 9 - BaseOS
 cheese                              cheese rpms for Enterprise Linux/Centos 9
 crb                                 AlmaLinux 9 - CRB
 elrepo                              ELRepo.org Community Enterprise Linux Repository - el9
 epel                                Extra Packages for Enterprise Linux 9 - x86_64   
 epel-cisco-openh264                 Extra Packages for Enterprise Linux 9 openh264 (From Cisco) - x86_64
 extras                              AlmaLinux 9 - Extras
 google-chrome                       google-chrome
 virtualbox                          Oracle Linux / RHEL / CentOS-9 / x86_64 - VirtualBox

What the heck? Just for grins, I spun up a VM for AlmaLinux 9 on another machine, and no problem there. Thunderbird shows up just as it should.

So, any ideas why it isn’t showing up on the machine I upgraded from 8 → 9?

Figured it out. Somehow, and old yum.conf file ended up being the one that became ‘active’ following the upgrade. In said old yum.conf file I’d apparently commented out thunderbird (I suspect to prevent updating to a still flaky v. 128 of TBird).