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2426: IntersectionObserver=> inactive, closes #737

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Thorin-Oakenpants 2019-06-09 23:29:58 +00:00 committed by GitHub
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commit 01aae1b346
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1 changed files with 2 additions and 5 deletions
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@ -1086,14 +1086,11 @@ user_pref("javascript.options.asmjs", false);
/* 2422: disable WebAssembly [FF52+] [SETUP-PERF]
* [1] https://developer.mozilla.org/docs/WebAssembly ***/
user_pref("javascript.options.wasm", false);
/* 2426: disable Intersection Observer API [FF53+]
* Almost a year to complete, three versions late to stable (as default false),
* number #1 cause of crashes in nightly numerous times, and is (primarily) an
* ad network API for "ad viewability checks" down to a pixel level
/* 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);
// 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);