Indev 0.31 (February 1, 2010, 3)
From Minecraft Wiki
February 1, 2010
The twenty-second version of Indev 0.31 was released on February 1, 2010.
- Harder materials now require better tools.
- Tools now take damage when mining blocks.
- Better tools last longer.
- Mobs should now drop flint and steel.