2032 removed, 4002 inactive, closes #840

user.js

@@ -936,9 +936,6 @@ user_pref("media.getusermedia.audiocapture.enabled", false);
    // user_pref("media.autoplay.default", 5);
 /* 2031: disable autoplay of HTML5 media if you interacted with the site [FF66+] ***/
 user_pref("media.autoplay.enabled.user-gestures-needed", false);
-/* 2032: disable autoplay of HTML5 media in non-active tabs [FF51+]
- * [1] https://www.ghacks.net/2016/11/14/firefox-51-blocks-automatic-audio-playback-in-non-active-tabs/ ***/
-user_pref("media.block-autoplay-until-in-foreground", true); // [DEFAULT: true]
 
 /*** [SECTION 2200]: WINDOW MEDDLING & LEAKS / POPUPS ***/
 user_pref("_user.js.parrot", "2200 syntax error: the parrot's 'istory!");
@@ -1377,7 +1374,7 @@ user_pref("privacy.firstparty.isolate", true);
  * [1] https://bugzilla.mozilla.org/1319773#c22
  * [2] https://bugzilla.mozilla.org/1492607
  * [3] https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage ***/
-user_pref("privacy.firstparty.isolate.restrict_opener_access", true); // [DEFAULT: true]
+   // user_pref("privacy.firstparty.isolate.restrict_opener_access", true); // [DEFAULT: true]
    // user_pref("privacy.firstparty.isolate.block_post_message", true); // [HIDDEN PREF ESR]
 
 /*** [SECTION 4500]: RFP (RESIST FINGERPRINTING)