🟦 links: FF100 release notes | FF100 for developers | FF100 security advisories

🟪 issues: diffs FF99-FF100 | changelog v100

🟩 changelog summary

• new
  • user_pref("browser.download.always_ask_before_handling_new_types", true); // FF101+
  • // user_pref("network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation", true);
• deprecated
  • 4 x network.http.spdy* prefs - replaced by network.http.http2* prefs (not added to arkenfox)