Hello,
Different browser zoom and DPI can break the virtualization logic. The 100% DPI is fully supported, but since the 125% DPI is recommended for some displays we will investigate it further. Other DPI settings and browser zoom levels might vary a lot and currently are not supported, you can read more about that here: https://docs.telerik.com/blazor-ui/components/grid/virtual-scrolling#notes.
Regards,
Svetoslav Dimitrov
Progress Telerik
I've been able to reproduce it also in Chrome, so it is not Edge related issue.
I've reproduced it with following configurations: