From Minecraft Wiki
October 5, 2012
- Added a way to teleport a player relative to their current coordinates.
- Use ~ to represent current position and then + or -.
- For example, "/tp (player) ~+500 ~-5 6.13" teleports adds +500x, -5y, and moves the player to 6.13z.
3 bugs fixed
- Fixed the glitchy block popping bug.
- Fixed beacon rendering.
- Fixed a crash related to map items in strongholds.