In order to support fractional HiDPI without rounding, Qt 5.14 added anew policy, which allowsdevicePixelRatioF to actually return fractions, instead of rounded integers.

PR Checklist

[n/a] Has pytest style unit tests (andpytest passes).
IsFlake 8 compliant (runflake8 on changed files to check).
[n/a] New features are documented, with examples if plot related.
[n/a] Documentation is sphinx and numpydoc compliant (the docs shouldbuild without error).
Conforms to Matplotlib style conventions (installflake8-docstrings and runflake8 --docstring-convention=all).
[n/a] New features have an entry indoc/users/next_whats_new/ (follow instructions in README.rst there).
[n/a] API changes documented indoc/api/next_api_changes/ (follow instructions in README.rst there)

Support fully-fractional HiDPI added in Qt 5.14.

64be0e4

In order to support fractional HiDPI without rounding, Qt 5.14 added anew policy [1], which allows devicePixelRatioF to actually returnfractions, instead of rounded integers.[1]https://doc.qt.io/qt-5/qguiapplication.html#setHighDpiScaleFactorRoundingPolicy

QuLogic added the GUI: Qt label

Nov 3, 2020

QuLogic added this to thev3.4.0 milestone

Nov 3, 2020

QuLogic mentioned this pull request

Nov 3, 2020

Scaling issue with 4K panel!#12221

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