We currently switch to per-frame decoding if the animation is larger than 5MB. This is very power-inefficient and such animations are common. The cutoff originates from 2007 and it is time go update it.
<rdar://problem/31731532>
<rdar://problem/31731536>
<rdar://problem/31731535>
Created attachment 307589 [details] patch
Comment on attachment 307589 [details] patch Sure
https://trac.webkit.org/r215557