Bug with dumping : the surfaces near retaining walls has defects...

... and seems to be affected by the orientation of the walls. I'm building a pyramid and this highlighted the issue:

Yeah i have similar issues as well in certain scenarios with the retaining walls like on the left side of this ramp does not fill in like the right does.

This has been present since at least the current iteration of retaining walls, and possibly before then (I don’t remember it from the first version, but it could well have been that way).
My work-around for it is to build walls beyond where I want them, then build a second set after and dig out between them. The ground on the high side is then consistent height in relation to the walls.
Yes, much extra work to do this.

I noticed since Update 1 that trucks won't fill properly next to retaining walls as the fill/level designations consider it level while visually and for building placement it's not.