- You can now upgrade / replace structural buildings once you research new ones. Just select any floors / walls / doors etc, then choose the 'Replace' button that appears next to the demolish button. You can then choose which to replace it with.
- Fixed some decorative objects not being built properly
- Many other bug fixes, performance improvements
Update 0.104 - Upgrade / Replace Buildings! Combat Event Rebalancing
Source: Steam Community (opens in a new tab)