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BUG: Qt hi-dpi regression on windows and X11 with mpl 3.10.5 #30386

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BUG: Qt hi-dpi regression on windows and X11 with mpl 3.10.5#30386
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v3.10.6
@tacaswell

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@tacaswell
tacaswell
opened on Aug 3, 2025

This doesn't work for me on Windows 11, PyQt6 6.9.1, 4K display. The figures are very pixelated, especially noticeable on text. Reverting these changes, or downgrading to matplotlib 3.10.3, or using another backend resolves the issue. For example, text3d.py:

matplotlib 3.10.5
image

matplotlib 3.10.3
image

Originally posted by @cgohlke in #30345 (comment)

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