problem 1 - a few weeks ago had my character buy a woodlands map. I made a backup, and ran to location to verify how the map works and look over house. Went back to save backup and over 3 weeks built rails to house location. But no house!

Windows 10. Think I started game in basic 1.11.2, then started using latest snapshots. Noticed problem about a week ago, but since it took me several weeks to get to house location the second time while building roads and tracks, can't pinpoint snapshot time when house disappeared.