Merge pull request #276 from nodiscc/disable-svg

Disable in-content SVG rendering

user.js

@@ -264,6 +264,13 @@ user_pref("javascript.options.asmjs",				false);
 // https://github.com/iSECPartners/publications/tree/master/reports/Tor%20Browser%20Bundle
 user_pref("gfx.font_rendering.opentype_svg.enabled",		false);
 
+// PREF: Disable in-content SVG rendering (Firefox >= 53)
+// NOTICE: Disabling SVG support breaks many UI elements on many sites
+// https://bugzilla.mozilla.org/show_bug.cgi?id=1216893
+// https://github.com/iSECPartners/publications/raw/master/reports/Tor%20Browser%20Bundle/Tor%20Browser%20Bundle%20-%20iSEC%20Deliverable%201.3.pdf#16
+user_pref("svg.disabled", true);
+
+
 // PREF: Disable video stats to reduce fingerprinting threat
 // https://bugzilla.mozilla.org/show_bug.cgi?id=654550
 // https://github.com/pyllyukko/user.js/issues/9#issuecomment-100468785