Allow for paint structure to be shown while building

[mossy walrus]

It would be much easier to know how to place fences / buildings if I saw where houses are being build

[dense lark]

There is an option in the overlay tab to enable zones

Under the in the top left corner

[nimble crow]

villagers decide their own entrances and passage within their house. We can see their preview before construction completed once they started settle down.