al good as always good work only add --allowerasing in my case


Installing weak dependencies:                                                                                                                                                                                                                 
 boost-numpy3                     x86_64 1.83.0-3.fc40             fedora  30 k                                                                                                                                                               
 cups-filters-driverless          x86_64 1:2.0.0-6.fc40            fedora  29 k
 gnome-software-fedora-langpacks  x86_64 46~beta-1.fc40            fedora  24 k
 libxcrypt-compat                 x86_64 4.4.36-5.fc40             fedora  89 k
 nbdkit                           x86_64 1.37.8-1.fc40             fedora  16 k
 nbdkit-curl-plugin               x86_64 1.37.8-1.fc40             fedora  46 k
 nbdkit-ssh-plugin                x86_64 1.37.8-1.fc40             fedora  35 k
 passim                           x86_64 0.1.5-3.fc40              fedora 161 k
 pkcs11-provider                  x86_64 0.3-2.fc40                fedora 120 k
 python3-keyring+completion       noarch 24.3.0-6.fc40             fedora  14 k
 python3-tabulate+widechars       noarch 0.9.0-6.fc40              fedora 9.1 k
 rpm-plugin-audit                 x86_64 4.19.1.1-1.fc40           fedora  20 k
 xdriinfo                         x86_64 1.0.7-2.fc40              fedora  21 k
Removing:                                                                       
 kernel                           x86_64 6.7.3-200.fc39            @System      
                                                                            0   
 kernel-core                      x86_64 6.7.3-200.fc39            @System      
                                                                           66 M
 kernel-devel                     x86_64 6.7.3-200.fc39            @System      
                                                                           70 M
 kernel-modules                   x86_64 6.7.3-200.fc39            @System      
                                                                           57 M
 kernel-modules-core              x86_64 6.7.3-200.fc39            @System      
                                                                           32 M                                           
 kernel-modules-extra             x86_64 6.7.3-200.fc39            @System                                                
                                                                          2.4 M                                           
Removing dependent packages:                                                                                              
 gnome-shell-extension-pop-shell  noarch 1.2.0^21.aafc945-1.fc39   @System                                                
                                                                          416 k                                           
 kmod-v4l2loopback-6.7.3-200.fc39.x86_64                                                                               
                                  x86_64 0.12.7^20230503g2c9b670-2.fc39                                                   
                                                                   @@commandline                                          
                                                                           24 k                                           
Downgrading:                                                                                                              
 bind-libs                        x86_64 32:9.18.21-4.fc40         fedora 1.2 M                                           
 bind-license                     noarch 32:9.18.21-4.fc40         fedora  14 k                                           
 bind-utils                       x86_64 32:9.18.21-4.fc40         fedora 225 k                                        
 conmon                           x86_64 2:2.1.8-4.fc40            fedora  52 k                                           
 meld                             noarch 3.22.0-6.fc40             fedora 990 k                                           
 mysql-connector-python3          noarch 8.0.21-12.fc40            fedora 575 k                                        
 qbittorrent                      x86_64 1:4.6.3-1.fc40            fedora 7.4 M                                        

Transaction Summary                                        
================================================================================                                       
Install      95 Packages                                   
Upgrade    4572 Packages                                   
Remove        8 Packages                                   
Downgrade     7 Packages


El 21/2/24 a las 8:11, Miroslav Suchý escribió:
dnf --releasever=40 --setopt=module_platform_id=platform:f40 \
--enablerepo=updates-testing \
$(rpm -q
fedora-repos-modular >/dev/null && echo --enablerepo=updates-testing-modular) \
--assumeno distro-sync