Created attachment 8787100 [details] Снимок экрана 2016-08-31 в 14.25.26.png User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:48.0) Gecko/20100101 Firefox/48.0 Build ID: 20160817112116 Steps to reproduce: 2d canvas animations freezes while playing For example, FLIF demo page, which uses canvas fallback to display FLIF images http://flif.info/animation.html I also making many banners in Animate CC using createJS which plays smooth in chrome and other browswes, but not on firefox, espacially "fluid" 100% width banners. CPU load OVER 100%! Attached screnshot while playing banner Actual results: Rotating firefox logo freezes many times while rotate on http://flif.info/animation.html see video https://monosnap.com/file/GBXV9kGPgWuZ96Rp0fKUdsurcs7s9z# Or go to one of my banner page to test http://ab.rfweb.ru/b/2016/08/290816/1/1000x90-2.html Expected results: canvas need to plays smooth
OS: Unspecified → Mac OS X
Hardware: Unspecified → x86_64
Hi, I tested this issue on Mac OS X 10.10 with FF Nightly 51.0a1 and FF 48 release and I can't reproduce it. I used http://flif.info/animation.html and for me the Firefox logo plays smooth. Please create a new profile, you have the steps here:https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles?redirectlocale=en-US&redirectslug=Managing-profiles#w_starting-the-profile-manager Please test if the issue can be reproduced in the safe mode of Firefox: https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode
Component: Untriaged → Canvas: 2D
Product: Firefox → Core
I also tested this issue on Mac OS 10.11 with FF Nightly 51.0a1 and FF 49 Beta and I can't reproduce this problem. The link I tried are http://flif.info/animation.html and http://ab.rfweb.ru/b/2016/08/290816/1/1000x90-2.html.
2 years ago
Priority: -- → P3
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