user.js

commit a56ba859363f87d45b860b51560a9a3072f33b84
parent 421f1e361c772e70d1e59f528b7d0aa1f2290f68
Author: Thorin-Oakenpants <Thorin-Oakenpants@users.noreply.github.com>
Date:   Fri,  2 Oct 2020 08:33:27 +0000

remove dom.IntersectionObserver.enabled #1026

- this was made inactive in v68
- since at least FF79, when active as false, it breaks the web and browser consoles
- it breaks websites
- it breaks extensions: e.g. uBO panel functionality
- it does nothing to mitigate possible fingerprinting (which was why it was initially added as a concern) - i.e the API only provided a standardized method, it does not stop previous/earlier workarounds
Diffstat:
M
user.js
 | 
5
-----

1 file changed, 0 insertions(+), 5 deletions(-)
diff --git a/user.js b/user.js
@@ -1073,11 +1073,6 @@ user_pref("javascript.options.asmjs", false);
  * [NOTE] In FF71+ this no longer affects extensions (1576254)
  * [1] https://developer.mozilla.org/docs/WebAssembly ***/
 user_pref("javascript.options.wasm", false);
-/* 2426: disable Intersection Observer API [FF55+]
- * [1] https://developer.mozilla.org/docs/Web/API/Intersection_Observer_API
- * [2] https://w3c.github.io/IntersectionObserver/
- * [3] https://bugzilla.mozilla.org/1243846 ***/
-   // user_pref("dom.IntersectionObserver.enabled", false);
 /* 2429: enable (limited but sufficient) window.opener protection [FF65+]
  * Makes rel=noopener implicit for target=_blank in anchor and area elements when no rel attribute is set ***/
 user_pref("dom.targetBlankNoOpener.enabled", true); // [DEFAULT: true FF79+]