{ config, pkgs, ... }: { programs.firefox = { preferences = { "media.ffmpeg.vaapi.enabled" = true; }; enable = true; preferencesStatus = "locked"; policies = { ExtensionSettings = { "*".installation_mode = "blocked"; "{446900e4-71c2-419f-a6a7-df9c091e268b}" = { install_url = "https://addons.mozilla.org/firefox/downloads/latest/bitwarden-password-manager/latest.xpi"; installation_mode = "force_installed"; }; }; }; }; }