Protocol version numbers
This page lists the protocol version numbers used in the various MC releases. Official releases are marked bold, weekly snapshots are in regular font.
| Version number | Release name | Notes |
| 22 | 1.0.0 | |
| 23 | 1.1.0 | |
| 24 | 12w01-05a | |
| 25 | 12w06a | |
| 27 | 12w07a | |
| 28 | 1.2.3 | |
| 29 | 1.2.4, 1.2.5 | This protocol has no encryption and a different handshake layout than the previous ones. |
| 30 | 12w16a | |
| 31 | 12w17a | |
| 32 | 12w18a, 12w19a | |
| 33 | 12w21ab | |
| 34 | 12w22a | |
| 35 | 12w23a | |
| 36 | 12w24a | |
| 37 | 12w25/26a | |
| 38 | 12w27a | |
| 39 | 1.3.2 | |
| 40 | 12w32a | |
| 41 | 12w34a | |
| 42 | 12w34b | |
| 45 | 12w40a | |
| 46 | 12w41a | |
| 47 | 1.4.2 | |
| 48 | 1.4.3 | |
| 49 | 1.4.4 | |
| 50 | 12w49a | |
| 51 | 1.4.6 | |
| 52 | 13w01a | |
| 53 | 13w02a | |
| 54 | 13w03a | |
| 55 | 13w04a | |
| 56 | 13w05a | |
| 57 | 13w05b | |
| 58 | 13w06a | |
| 59 | 13w09b | |
| 60 | 1.5.1, 1.5 | Both releases use the same protocol |
| 61 | 1.5.2 | |
| 63 | 13w16b | |
| 64 | 13w17a | |
| 65 | 13w18a | |
| 66 | 13w19a | |
| 67 | 13w21a, 13w21b, 13w22a, 13w23a | |
| 68 | 13w23b | |
| 69 | 13w24a | |
| 70 | 13w24b | |
| 71 | 13w25a, 13w25b, 13w25c | |
| 72 | 13w26a, 1.6 | |
| 73 | 1.6.1 |