Hallo,
Is it way to render only region directly in the interactive view? not in render window..
Not in KS1 / KS2 / KS3 at least.
Would be neat feature tho for the future ... kinda like a resizable circular "magnifyer glass" with 2 modes. 1 mode lets you zoom in on the area you hover over. And 1 mode that realtime-renders the area you hover over X times faster or so.