Java Edition 1.7.10-pre4
From Minecraft Wiki
June 18, 2014
- The ability to upload worlds to Realms.
- An option to allow the Realms owner to enable command blocks.
- Fixed some possible future-compatibility issues.
- – Realms player activity screen squashed to bottom.
- This version was previously removed from the launcher for some time, but was added back in September 2018.