**Affected versions** Firefox Nightly 82.0a1 **Affected platforms** Mac OS X 10.15 **Preconditions** gfx.webrender.all = true or gfx.webrender.all = false apz.allow_zooming = true **Steps to reproduce** 1. Navigate to https://edition.cnn.com/ and read an article 2. Pinch zoom to the maximum 3. Slowly scroll the page using the touchpad (up/down, right/left) 4. Wait for a little after each scroll Expected result Pages should be correctly displayed while pinch-zooming and scrolling. Actual Result Pages turn white while scrolling. Please see the screencast for more details. https://drive.google.com/file/d/17v0wtKy-W7i578Oj-tB7WH8OfSaON82D/view?usp=sharing
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**Affected versions** Firefox Nightly 82.0a1 **Affected platforms** Mac OS X 10.15 **Preconditions** gfx.webrender.all = true or gfx.webrender.all = false apz.allow_zooming = true **Steps to reproduce** 1. Navigate to https://edition.cnn.com/ and read an article 2. Pinch zoom to the maximum 3. Slowly scroll the page using the touchpad (up/down, right/left) 4. Wait for a little after each scroll **Expected result** Pages should be correctly displayed while pinch-zooming and scrolling. **Actual Result** Pages turn white while scrolling. Please see the screencast for more details. https://drive.google.com/file/d/17v0wtKy-W7i578Oj-tB7WH8OfSaON82D/view?usp=sharing