While out exterminating biters in my tank, I noticed that the cannon would sometimes wait for a few seconds before firing a shot after I pressed space to shoot. After investigating why this was I noticed that the cannon doesn't automatically aim at the mouse all the time. Instead returns to pointing...

I was blue printing my walkway when I noticed that there was landfill in the blueprint even though I didn't fill in water here. Possible remnant from map gen? In any case I'm fairly sure this is a bug. https://steamuserimages-a.akamaihd.net/ugc/1000268107208049752/CE9B7C9F98797C7DA06AFC9CAFE8F019F58...

This is an option you can enable or disable in settings. It does not sound like a bug.