Misskey: Huge black object in background with Falkon (QtWebEngine browser)

[SGOrava]

💡 Summary

There is a huge black bad thing at the "top" of the page.
I did a little investigation and it should be caused by css option:
backdrop-filter: blur(32px); at header.
When this option is disabled the huge black bad thing is gone.

🙂 Expected Behavior

No huge black bad thing on the page

PS: maybe ads should be in that place? no idea.... just checked the page once and went to report.

☹️ Actual Behavior

Huge black bad thing on the page.

PS: I overdid this screenshot a bit.

📝 Steps to Reproduce

1. Open page in Falkon (QtWebEngine based browser)
2. Go to https://miss.jaekr.sh/
3. Observe

📌 Environment

Web browser: Falkon
Application version 3.1.99 (e4b468e2)
QtWebEngine version 5.14.1
Operating System: Artix Linux
Qt Version: 5.14.1
Kernel Version: 5.4.22-1-lts
OS Type: 64-bit

[tamaina]

This issue is probably due to a bug from Qt WebEngine. Could you report this bug to the Qt project?

[SGOrava]

Could you report this bug to the Qt project?

Will check and do.

Done,
https://bugreports.qt.io/browse/QTBUG-82842?jql=text%20~%20%22backdrop%22
Please go and provide more information if you know, want and can.

[tamaina]

Qt v5.15.0 Beta3で修正がマージされたみたい
https://bugreports.qt.io/browse/QTBUG-82842
https://codereview.qt-project.org/c/qt/qtwebengine/+/294655

[SGOrava]

Hello,
Fixed in Qt 5.15.