Created attachment 8848578 [details] Testcase1.png User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0 Build ID: 20170302120751 Firefox for Android Steps to reproduce: 1. Open https://simpl.info/videoalpha/ 2. Under " Select Video background color", try to change its color. 3. Note the movements in video. 4. Also scroll right/left. Actual results: 1.The page is loading slow. 2.Background color is not changing. 3.Green space occurs at the right side. 4. The movement of the two person is not flexible and clear. Expected results: 1.The page is properly displayed. 2.Background should correctly displayed as per the color chosen. 3.The video is rendered properly.
> Created attachment 8848579 [details] > Testcase2.png The bug found not in Android. Its been founded in Firefox Beta 52.0 [32 bits] OS: Windows 10.0 [testday-20170317]
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:52.0) Gecko/20100101 Firefox/52.0 Build ID: 20170302120751 Tested this issue on Firefox release 52.0 and managed to reproduce it. The issue is not reproducible on Firefox Beta 53.0b5, latest Aurora 54.0a2 (Build ID:20170322004022)and latest Nightly 55.0a1 (Build ID: 20170322030208).
status-firefox52: --- → affected
status-firefox53: --- → unaffected
status-firefox54: --- → unaffected
status-firefox55: --- → unaffected
Component: Untriaged → Layout: View Rendering
Product: Firefox → Core
If this is fixed then the only steps here are to find out what fixed it in case we want to uplift it.
Using the mozregression tool identified the changeset that fixed this issue: Last good revision: 05d4c2e9bb1ee731b2d821a56cb3c4cdf1114b63 First bad revision: 8460203bc93b9667cea1bc00f9d9990a4b1a9474 Pushlog: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=05d4c2e9bb1ee731b2d821a56cb3c4cdf1114b63&tochange=8460203bc93b9667cea1bc00f9d9990a4b1a9474 Timothy could you please take a look?
I'm guessing bug 1321076 since it mentions video and alpha which the site seems to use.
Mass wontfix for bugs affecting firefox 52.
status-firefox52: affected → wontfix
Component: Layout: View Rendering → Layout: Web Painting
Product: Core → Core
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