Minecraft wiki entry for Development_versions, associated text: 12w15a
12w16a
12w17a
12w18a
12w19a
12w21a
12w21b
12w22a
12w23a
12w23b
12w24a
12w25a
12w26a
12w27a
12w30a
12w30b
12w30c
12w30d
12w30e
1.3
Notes and references