The issue is that you have a version that was only in proposed and got removed because it was buggy, maybe you enabled proposed source and installed it at the time? https://launchpad.net/ubuntu/+source/gtk+3.0/3.24.23-1ubuntu1.1
You should be able to fix it by doing $ sudo apt install libgtk-3-0=3.24.23-1ubuntu1 libgtk-3-common=3.24.23-1ubuntu1 libgtk-3-common=3.24.23-1ubuntu1 then try install the -dev again -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1915092 Title: lib-gtk-3 / lib-gtk-3-dev NOT compatible To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1915092/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
