Bad rendering of data matrix code in Okular (blurry in some conditions)
I notice a problem with the last version of Okular (22.08.0), poppler is used by Okular with Qt5,
the rendering of data matrix image (a kind of QR code) is sometimes blurry, when the data matrix is small,
I notice this problem when buying french PDF stamps from la poste website, https://www.laposte.fr/mon-timbre-en-ligne
Here is a comparison between Okular and Xpdf for the same PDF, Okular doesn't manage to display a sharp rendering of the data matrix, and Xpdf doesn't have problem, the data matrix is sharp :
With firefox as PDF reader there is no problem.
I am not sure if poppler is the culprit, or if Okular (or Qt5 interface) doesn't use correctly poppler.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch linux
KDE Plasma Version: 5.25.4
KDE Frameworks Version: 5.97.0
Qt Version: 5.15.5