>>> My Info: Win7_64, Nightly 49, 32bit, ID 20160526082509 STR_1: 1. Open https://www.pinterest.com/categories/art/ 2. Hover mouse over "Street art" image at the top, wait 1s 3. Move mouse away from the image AR: Step 2, Step 3 - shape of rounded corners changes, what causes minor flickering ER: No flickering. Rounded corners shouldn't flicker This is regression. Good old Firefox 28 is unaffected, Nightly 49 (2016-05-26) is affected
User Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:53.0) Gecko/20100101 Firefox/53.0 I have verified this issue on latest Nightly (Build ID: 20170104030214) and used mozregression tool for Firefox v28.0, Firefox 19.0a1. On all builds there is some sort of flickering. I think that this issue is there from the beginning.
Component: Untriaged → Layout: Web Painting
platform-rel: --- → ?
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