Minecraft wiki entry for Development, associated text: 1 MD3 mob models test (December 7, 2009)
2 Finite water (December 19, 2009)
3 Shadow test (December 19, 2009)
4 Dynamic lighting testing (December 19, 2009)
5 Wall-hack protection (December 19, 2009)
6 Dynamic lighting (December 22, 2009)