[deadalvs]

editable preview size in the render preview options in the material editor.

[jomaga]

do you mean to resize material preview in mxed?
Can be done now, right click on the preview, and select Set Preview Options. Change scale to something lower than the 100% default

[deadalvs]

yess, but larger... i think 100 % is around 90 by 90 px.

it would be great to enter directly the px size...

--> ?