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.
The 1.7 release has seen a complete rewrite of the network protocol (using Netty), including the version numbers. The protocol numbers have been reset. This page contains version numbers for both the pre-Netty and post-Netty protocol versions
Versions after the Netty rewrite (1.7+)
| Version number | Release name | Last known documentation | Notes |
| 4 | 1.7.1, 1.7.2, 1.7.4 | [page] |
Versions before the Netty rewrite (-1.6.4)
| Version number | Release name | Last known documentation | Notes |
| 78 | 1.6.4 | [page] | |
| 74 | 1.6.2 | ||
| 73 | 1.6.1 | [page] | |
| 72 | 13w26a, 1.6 | ||
| 71 | 13w25a, 13w25b, 13w25c | ||
| 70 | 13w24b | ||
| 69 | 13w24a | ||
| 68 | 13w23b | ||
| 67 | 13w21a, 13w21b, 13w22a, 13w23a | ||
| 66 | 13w19a | ||
| 65 | 13w18a | ||
| 64 | 13w17a | ||
| 63 | 13w16b | ||
| 61 | 1.5.2 | ||
| 60 | 1.5, 1.5.1 | Both releases use the same protocol | |
| 59 | 13w09b | ||
| 58 | 13w06a | ||
| 57 | 13w05b | ||
| 56 | 13w05a | ||
| 55 | 13w04a | ||
| 54 | 13w03a | ||
| 53 | 13w02a | ||
| 52 | 13w01a | ||
| 51 | 1.4.6 | [page] | |
| 50 | 12w49a | ||
| 49 | 1.4.4 | ||
| 48 | 1.4.3 | ||
| 47 | 1.4.2 | ||
| 46 | 12w41a | ||
| 45 | 12w40a | ||
| 42 | 12w34b | ||
| 41 | 12w34a | ||
| 40 | 12w32a | ||
| 39 | 1.3.2 | [page] | |
| 38 | 12w27a | ||
| 37 | 12w25/26a | ||
| 36 | 12w24a | ||
| 35 | 12w23a | ||
| 34 | 12w22a | ||
| 33 | 12w21ab | ||
| 32 | 12w18a, 12w19a | ||
| 31 | 12w17a | ||
| 30 | 12w16a | ||
| 29 | 1.2.4, 1.2.5 | This protocol has no encryption and a different handshake layout than the previous ones. | |
| 28 | 1.2.3 | ||
| 27 | 12w07a | ||
| 25 | 12w06a | ||
| 24 | 12w01-05a | ||
| 23 | 1.1.0 | ||
| 22 | 1.0.0 |