Hello,
I upgrade to corona 4, and the scenes that were rendering fine in corona 3 started crashing during interactive render. If I tried to start regular render, an unknown error pops up, saying that it is unable to render.
After digging into the scene, I found out that the objects with materials having corona distance cause these. When I hide these objects, it renders. I tested this on a bunch of scenes, the same situation - if there is a material with corona distance, it crashes on IR or gives error on render. Also just trying to change any setting in corona distance node can eventually crash the scene too. Any of these don't happen with fresh corona distance node created with corona 4.
Could you check if this is a general bug or is it just me? I can post a problematic part form the scene to reproduce this problem.