Hi Michel, thanks for testing it!

> All Construct operations enter into infinite calculation.

Hmmm, I was hoping this was solved by the new build from just a couple hours ago. Please carefully check that you definitely have the Nov-13 build and not the Nov-12 one.


> When no objects selected, if I click on screen repetitvely, strange artefacts appear and disappear randomly.

So if something is selected it doesn't happen? Is it possible to get a screen capture of one, that may give me a clue for where to look.



> Also, are there any differences between v3 ini and v4 ini as they share the same file on my Mac ?

There shouldn't be any difference - MoI v4 will put a couple new settings in there like the main window position is stored differently so it can handle stuff like full screen zoom state but v3 should just ignore and retain any of those new things.

- Michael