Firefox nightly linux, linux-x86_64. Additionally, Firefox Nightly now includes editable tab notes, enabling users to add and view notes for specific tabs. msix 154M 23-Feb-2026 11:34 File firefox-149. Nov 17, 2025 · Install Firefox Nightly on Ubuntu using APT, Flatpak, or tarball. Separate profiles, language packs, and easy step-by-step updates. win64-aarch64. Firefox loads pages quickly without selling your data. win64. rpm package for Firefox Nightly, making it simpler for users on RPM-based Linux distributions like Fedora and openSUSE to install and keep the browser updated. msix 156M 23-Feb-2026 11:19 File firefox-149.


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