The game wipes all the things you have built or destroyed when you quit to title and then return

The game wipes everything that you have done when o exit the
What I expected to happen was...:
I thought that after the new update to 0.6.0 the game would have only changed in that there are more blocks.

What actually happened was...:
The game does not save what you have built/mined. It is not just a saving issue as I tried to build from a stack of 64 blocks, but when I quitted and then returned, the blocks had gone but my stack had not been replenished.

Steps to Reproduce:
1. It is not a bug that is triggered so there is no point asking for a guide to it. Not only that but it is a universal bug.
2. ...
3. ...