I remote into work computers using RDP + a smart card (yubikey) I need remmina to do that. The flatpak version doesn't  leave work with smart cards.

Some dependencies have got in, but this one is missing, so it can not be built yet for RHEL/CentOS 8.

https://pagure.io/epel/issue/99

Please note that avahi-devel and the other subpackages are available for CentOS 8 in the PowerTools repository, but the Koji builders for EPEL use RHEL 8.

Thanks for keeping up on this. This package is important for my use case. I am waiting for this package to update my workstation.

Still no answer....
https://bugs.centos.org/view.php?id=17235

Avahi-devel is currently present in the PowerTools repo so I'm not sure the CentOS folk need to do anything.

I am able to build the netatalk package for el8, which also requires avahi-devel.
https://koji.fedoraproject.org/koji/buildinfo?buildID=1491958

From the build:
> DEBUG util.py:602:  Running transaction
> DEBUG util.py:602:  Installed:
> DEBUG util.py:602:    NetworkManager-libnm-1:1.20.0-5.el8_1.x86_64                                  
> DEBUG util.py:602:    acl-2.2.53-1.el8.x86_64                                                       
> DEBUG util.py:602:    avahi-0.7-19.el8.x86_64                                                       
> DEBUG util.py:602:    avahi-devel-0.7-19.el8.x86_64  


What does your build output look like when you try to build remmina?

UPDATE:
I did some testing on my end and the missing package in CentOS repo is avahi-ui-devel.

Perhaps you know that already, but may I suggest adding the adding that detail to your CentOS bug report (or make a new report to get someone's attention).

I have emailed the person assigned to CentOS bug 17235. Let's hope this gets some movement on the issue.

Disregard the link in the previous message. Rehat bugzilla thought I was referring to a redhat bug.

The real link is here:
https://bugs.centos.org/view.php?id=17235