Put the summary of the bug you're having here

What I expected to happen was...:
I expected the realm to save my progress when I log out.

What actually happened was...:
When logging in the loaded world is not up to date it is a previous version. So in other words I lost progress.

Steps to Reproduce:
1.  Log in to realm
2. Make some changes on the world
3. Log out

4. Log in, and they change will not have been saved

I've been playing since June 27th and this has happened three times.