FOSS gamedev and creative worlds

Flickering
From this:

To this:

What is the cause?

Edit: I was able to fix this by disabling shaders

Rath wrote:Edit: I was able to fix this by disabling shaders

That makes sense. Shaders have been giving some people some problems. I think it may have to do with your version of Minetest. Try getting the latest version of MT.