Run these commands to add this repostory to your APT sources list:
echo 'deb https://dl.bintray.com/hawkeye116477/waterfox-deb release main' | sudo tee /etc/apt/sources.list.d/waterfox.list
And the public GPG key:
curl https://bintray.com/user/downloadSubjectPublicKey?username=hawkeye116477 | sudo apt-key add -
You can download and install the packages after you update the APT package index:
sudo apt-get update
Note: Language packs and KDE integration features are available as separate packages to install from apt repository!
Getting automatic notifications about new versions of packages
Latest Waterfox KDE Plasma Edition contains following patches: openSUSE’s KDE patches (firefox-kde.patch & mozilla-kde.patch), fix_crash_e10s_upload_cancel.patch, fix_waterfox_browser-kde_xul.patch, pgo_fix_missing_kdejs.patch, wifi-disentangle.patch, wifi-fix-interface.patch, 0001-Bug-1384062-Make-SystemResourceMonitor.stop-more-res.patch and mozilla-ucontext.patch.