It's not a bug, just the way the game works at this point. The sign doesn't check what block it's attaching to, it just goes into the block next to it because it can't occupy the same block as the fence post.
Joel Hike
It's not a bug, just the way the game works at this point. The sign doesn't check what block it's attaching to, it just goes into the block next to it because it can't occupy the same block as the fence post.