After eliminating anti-virus as the culprit, try creating an environment variable named QSG_RHI_BACKEND and setting its value to "opengl" (no quotes), and then launch Sigil. This should eliminate the possibility that your d3d11 (now the default) implementation is not quite up to snuff by forcing all QtQuick stuff to use opengl instead.
Last edited by DiapDealer; 08-21-2024 at 08:55 PM.
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