cssGrid doesn't respect layers when scrollable element is hidden behind it.
Reported by
roddhar...@gmail.com,
Aug 7
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.84 Safari/537.36 Example URL: https://codepen.io/anon/pen/xJavgp Steps to reproduce the problem: 1. Adjust the size of the rendered CodePen pane. 2. As the table (hidden behind the Help pane) turns scrollable, the table is suddenly displayed on top of the help pane. 3. What is the expected behavior? The table should remain hidden behind the help pane. (Run the same code in Edge or FireFox and you will see the expected behavior). What went wrong? As mentioned. It would appear that when content that is appropriately hidden behind another element becomes scrollable, the rendering engine suddenly decides that the hidden element should now be displayed and no longer hides it behind the element it was initially behind. Does it occur on multiple sites: Yes Is it a problem with a plugin? No Did this work before? N/A Does this work in other browsers? Yes Chrome version: 68.0.3440.84 Channel: stable OS Version: 10.0 Flash Version:
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Aug 8
roddharris@ Thanks for the issue. Able to reproduce this issue on Windows 10, Mac OS 10.13.3 and Ubuntu 14.04 on the latest Stable 68.0.3440.84 and latest Canary 70.0.3516.0 as per the original comment. Bisect Information: =================== Good Build: 61.0.3122.0 Bad Build : 61.0.3123.0 By running the per-revision bisect script, all bad builds were invoked. Hence below is the manual changelog URL from omahaproxy. https://chromium.googlesource.com/chromium/src/+log/61.0.3122.0..61.0.3123.0?pretty=fuller&n=10000 From the above Changelog, suspecting the below change: Reviewed-on: https://codereview.chromium.org/2904173002 martiw@ Please check and confirm if this issue is related to your change, else help us in assigning to the right owner. Thanks
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Aug 8
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Aug 20
That seems like a bad attribution. Maybe it's bisect-able on another platform. I'll check.
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Aug 27
This is not a regression if it happened way back in M-61. |
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Comment 1 by viswa.karala@chromium.org
, Aug 7