Bug:Qt D3D Rendering Error

Bug behavior:

Tested by git bisect in default video driver,I located the bug begin from
a31d669a90b2931a4c335a9b68332197aa93e67d

After the bisect,I also try stable Anki Version ⁨23.12.1 (1a1d4d54)⁩
Python 3.9.15 Qt 6.6.1 PyQt 6.6.1.Bug appear in Direct3D but not in OpenGL.

It seems a Qt bug.Really rare bug?

Windows 11,NVIDIA RTX 3060,the latest drivers available as of now

Check if Qt5 have the same problem

hard to say if it is a Qt or Direct3D problem

Could you share your card/note type as a sample?

The bug cards is written by HTML.
Another cards that I haven’t reproduced bug is just simply written without HTML.

Qt5 version is testing.

There is no option to use Direct3D in Anki Qt5 Windows.

Direct3D is not available for Qt5. The software driver will probably work with no issues in Qt6.
https://docs.ankiweb.net/platform/windows/display-issues.html

OpenGL is a better choice than software if the former is working correctly.

Unfortunately the best driver depends on each user’s system, which is why we have to offer a choice.

I would believe the bug derive from the decks.

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