Changing Allow XOriginPolicy from 0 (always) to 1 (base domain only)

private_dot_mozilla/private_firefox/private_personal-profile.default/user-overrides.js.tmpl

@@ -48,7 +48,7 @@ user_pref("browser.shell.shortcutFavicons", true); // Store actual favicons inst
 /*** [SECTION 1600]: HEADERS / REFERERS ***/
 
 /* 1601: control when to send a cross-origin referer */
-user_pref("network.http.referer.XOriginPolicy", 0); // Breaks some sites, Use default always (may try 1 in the future)
+user_pref("network.http.referer.XOriginPolicy", 1); // 0 - Always (FF Default), 1 - Base Domain Only, 2 - Host Only (Arkenfox Default)
 
 /*** [SECTION 2000]: PLUGINS / MEDIA / WEBRTC ***/
 /* 2022: disable all DRM content (EME: Encryption Media Extension) */