Hi Michael,

I did some tests, and the lagginess is present in both split views and maximised views, and it also occurs when I move objects. It feels as if the general viewport refresh rate is lower than before, causing a laggy response to my pen movements.

I assume you're using OpenGL 4.1?

It might simply be a case of the retina resolution having to redraw much more pixels than my previous resolution needed to.

Regards,

Metin

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visualization • illustration • animation • 3D (print) design — https://metinseven.com