Rendering progress preview with tev#142

Draft

iXialumy wants to merge 6 commits intowahn:masterfrom

iXialumy:master

Commits on Jul 12, 2021

Add communication with tev and hard coded updating behaviour
iXialumy
committed

Commits on Jul 18, 2021

Commits on Nov 26, 2022

Commits on Dec 17, 2022

Add (hopefully) correct scaling to tev preview
iXialumy
committed