This is now possible using snapd's parallel installs feature¹: $ sudo snap set system experimental.parallel-instances=true $ sudo snap install firefox $ sudo snap install firefox firefox_esr $ sudo snap refresh firefox_esr --channel=esr/stable $ sudo snap install firefox firefox_beta $ sudo snap refresh firefox_beta --beta $ sudo snap install firefox firefox_nightly $ sudo snap refresh firefox_nightly --edge
$ snap run firefox $ snap run firefox_esr $ snap run firefox_beta $ snap run firefox_nightly ¹ https://snapcraft.io/docs/parallel-installs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1515125 Title: Ability to install Firefox Developer Edition on Ubuntu together with stable release To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1515125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs