Windows players have a new update, 5.1.18.0. Fixes the repair base bug for repair bases damaged on the last update. (both of mine were) Very small update.
You probably auto updated. This update was to repair the damage done by the last update.Thanks for sharing
I check the store nothing for the update then i check the version i have it was 5.1.18.0. maybe automatically done.
But i remember i did update about 2 or 3 weeks back.