firefox user.js - v81+ - only things I can't set from the desktop ui

user.js

user_pref("browser.sessionhistory.max_entries", 8);
user_pref("device.sensors.enabled", false);
user_pref("dom.serviceWorkers.enabled", false);
user_pref("dom.workers.maxPerDomain", 48);
user_pref("javascript.options.mem.max", 64000);
user_pref("network.cookie.maxPerHost", 24);
user_pref("network.dns.disableIPv6", true);
user_pref("network.dns.disablePrefetch", true);
user_pref("network.http.max-connections", 48);
user_pref("network.http.referer.XOriginPolicy", 2);
user_pref("network.http.referer.XOriginTrimmingPolicy", 2);
user_pref("network.http.referer.defaultPolicy", 2);
user_pref("network.http.referer.trimmingPolicy", 2);
user_pref("network.http.sendRefererHeader", 1);
user_pref("network.trr.mode", 5);
user_pref("privacy.firstparty.isolate", true);
user_pref("privacy.resistFingerprinting", true);
user_pref("security.mixed_content.block_display_content", true);
user_pref("security.mixed_content.block_object_subrequest", true);
user_pref("security.ssl.disable_session_identifiers", true);
user_pref("security.ssl.enable_false_start", false);
user_pref("security.ssl3.ecdhe_ecdsa_aes_128_sha", false);
user_pref("security.ssl3.ecdhe_ecdsa_aes_256_sha", false);
user_pref("security.ssl3.ecdhe_rsa_aes_128_sha", false);
user_pref("security.ssl3.ecdhe_rsa_aes_256_sha", false);
user_pref("security.ssl3.rsa_aes_128_gcm_sha256", false);
user_pref("security.ssl3.rsa_aes_128_sha", false);
user_pref("security.ssl3.rsa_aes_256_gcm_sha384", false);
user_pref("security.ssl3.rsa_aes_256_sha", false);
user_pref("security.ssl3.rsa_des_ede3_sha", false);
user_pref("security.tls.enable_0rtt_data", false);