User.js: dom.IntersectionObserver.enabled = false breaks CanvasBlocker 0.5.4 RC2

[crssi]

Just for info :wink:

/* 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
 * [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);

See https://github.com/kkapsner/CanvasBlocker/issues/267

[kkapsner]

This issue will be fixed in the final release.