Ubuntu 16.04 - Install Firefox Nightly
If you just cannot wait for the next version of Firefox to become available, and are willing to try something that isn't guaranteed to be stable, then you can perform the steps below to install the "Nightly" version of Firefox that is continuously being updated.
sudo add-apt-repository ppa:ubuntu-mozilla-daily/ppa -y sudo apt update sudo apt install firefox-trunk -y
Run The Application
To run the firefox nightly, run the following command from the cli, or search for it in the dash: