TL;DR
Stone needs to be more easily visible on the map.What?
The issue is that in the new version the colors of some ground tiles are very close to the color of stone. This makes it very hard to spot stone. I've uploaded a map preview as an experiment, there are at least five stone patches in there. It took me more than a minute to spot them.I have multiple ideas on how this could be fixed. For one, the game could automatically generate map markers for each resource patch. This might break some mods which change map generation so it might help to make this an optional feature or something the player can trigger rather than something that happens automatically in the background. Another idea is to make graphical adaptions, like giving the patches an outline.
This applies to a lesser degree to iron patches on the darker desert terrain. It would also help if trees were just a bit easier to see on desert terrain.