I've noticed the same thing. I'm on level 4210 and suddenly I have no idea how to play. It's weird. Things are matching with wrong colours, those weir knot things seem to do different things but I'm not sure what. Other things have a red line down the side (as u described) and they match with the wrong things too. It's…
As if the Build-a-bot wasn’t already the most frustrating addition to the game but after beating a number of (new) levels, I get a message saying I’m at maximum booster efficiency when there are clearly at least 2 levels above where I’m at! This is the second time this has happened. I’ve emailed King but, you know, you…