Unable to install RPM to Fedora 40

Installation & Packaging
#1

Fresh Fedora 40 KDE Plasma 6 Wayland installation.
Downloaded latest Mailspring package from official website.

Executing:

sudo dnf install ./mailspring-1.13.3-0.1.x86_64.rpm

Getting:

Last metadata expiration check: 1:56:03 ago on Tue 03 Sep 2024 17:29:12 IST.
Error: 
 Problem: package mailspring-1.13.3-0.1.x86_64 from @commandline requires lsb-core-noarch, but none of the providers can be installed
  - package lsb_release-3.3-3.fc40.noarch from fedora conflicts with redhat-lsb-core provided by redhat-lsb-core-5.0-0.9.20231006git8d00acdc.fc40.i686 from fedora
  - package lsb_release-3.3-3.fc40.noarch from fedora conflicts with redhat-lsb-core provided by redhat-lsb-core-5.0-0.9.20231006git8d00acdc.fc40.x86_64 from fedora
  - problem with installed package lsb_release-3.3-3.fc40.noarch
  - package lsb_release-3.3-3.fc40.noarch from @System conflicts with redhat-lsb-core provided by redhat-lsb-core-5.0-0.9.20231006git8d00acdc.fc40.i686 from fedora
  - package lsb_release-3.3-3.fc40.noarch from @System conflicts with redhat-lsb-core provided by redhat-lsb-core-5.0-0.9.20231006git8d00acdc.fc40.x86_64 from fedora
  - conflicting requests
(try to add '--allowerasing' to command line to replace conflicting packages or '--skip-broken' to skip uninstallable packages)

With ´–skip-broken´ parameter:

Last metadata expiration check: 1:47:31 ago on Tue 03 Sep 2024 17:29:12 IST.
Dependencies resolved.

 Problem: package mailspring-1.13.3-0.1.x86_64 from @commandline requires lsb-core-noarch, but none of the providers can be installed
  - package lsb_release-3.3-3.fc40.noarch from fedora conflicts with redhat-lsb-core provided by redhat-lsb-core-5.0-0.9.20231006git8d00acdc.fc40.i686 from fedora
  - package lsb_release-3.3-3.fc40.noarch from fedora conflicts with redhat-lsb-core provided by redhat-lsb-core-5.0-0.9.20231006git8d00acdc.fc40.x86_64 from fedora
  - problem with installed package lsb_release-3.3-3.fc40.noarch
  - package lsb_release-3.3-3.fc40.noarch from @System conflicts with redhat-lsb-core provided by redhat-lsb-core-5.0-0.9.20231006git8d00acdc.fc40.i686 from fedora
  - package lsb_release-3.3-3.fc40.noarch from @System conflicts with redhat-lsb-core provided by redhat-lsb-core-5.0-0.9.20231006git8d00acdc.fc40.x86_64 from fedora
  - conflicting requests
===================================================================================================================================
 Package                      Architecture        Version                                          Repository                 Size
===================================================================================================================================
Skipping packages with conflicts:
(add '--best --allowerasing' to command line to force their upgrade):
 redhat-lsb-core              i686                5.0-0.9.20231006git8d00acdc.fc40                 fedora                     13 k
 redhat-lsb-core              x86_64              5.0-0.9.20231006git8d00acdc.fc40                 fedora                     13 k
Skipping packages with broken dependencies:
 mailspring                   x86_64              1.13.3-0.1                                       @commandline              151 M

Transaction Summary
===================================================================================================================================
Skip  3 Packages

Nothing to do.
Complete!

ps. no, I don´t want to use Flatpak…

#2

Did you try the newest version? Works for me here.

#3

I have a similar error…

Last metadata expiration check: 3:06:24 ago on Mon 30 Sep 2024 16:19:38.
Error: 
 Problem: package mailspring-1.14.0-0.1.x86_64 from @commandline requires lsb-core-noarch, but none of the providers can be installed
  - package lsb_release-3.3-3.fc40.noarch from fedora conflicts with redhat-lsb-core provided by redhat-lsb-core-5.0-0.9.20231006git8d00acdc.fc40.i686 from fedora
  - package lsb_release-3.3-3.fc40.noarch from fedora conflicts with redhat-lsb-core provided by redhat-lsb-core-5.0-0.9.20231006git8d00acdc.fc40.x86_64 from fedora
  - problem with installed package lsb_release-3.3-3.fc40.noarch
  - package lsb_release-3.3-3.fc40.noarch from @System conflicts with redhat-lsb-core provided by redhat-lsb-core-5.0-0.9.20231006git8d00acdc.fc40.i686 from fedora
  - package lsb_release-3.3-3.fc40.noarch from @System conflicts with redhat-lsb-core provided by redhat-lsb-core-5.0-0.9.20231006git8d00acdc.fc40.x86_64 from fedora
  - conflicting requests
(try to add '--allowerasing' to command line to replace conflicting packages or '--skip-broken' to skip uninstallable packages)
#4

Same for fc41

Problem: installed package mailspring-1.14.0-0.1.x86_64 requires lsb-core-noarch, but none of the providers can be installed
  - package redhat-lsb-5.0-0.13.20231006git8d00acdc.fc41.noarch from updates-testing obsoletes redhat-lsb-core <= 5.0-0.12 provided by redhat-lsb-core-5.0-0.11.20231006git8d00acdc.fc41.x86_64 from @System
  - package redhat-lsb-5.0-0.13.20231006git8d00acdc.fc41.noarch from updates-testing obsoletes redhat-lsb-core <= 5.0-0.12 provided by redhat-lsb-core-5.0-0.11.20231006git8d00acdc.fc41.i686 from fedora
  - package redhat-lsb-5.0-0.13.20231006git8d00acdc.fc41.noarch from updates-testing obsoletes redhat-lsb-core <= 5.0-0.12 provided by redhat-lsb-core-5.0-0.11.20231006git8d00acdc.fc41.x86_64 from fedora
  - cannot install the best update candidate for package redhat-lsb-5.0-0.11.20231006git8d00acdc.fc41.x86_64
  - problem with installed package
You can try to add to command line:
  --no-best to not limit the transaction to the best candidates
#5

We have installed it on several Fedora systems, including 40 and 41.

Have you tried the --no-best when installing it? I will say that we have not tried installing it through the command line, but it should work the same.