1.3 may refer to:
Java Edition[]
- Java Edition 1.3 (pre-release)
- Java Edition 1.3.1 – the full release of 1.3
- Java Edition 1.3.2
Beta[]
- Java Edition Beta 1.3
- PC Gamer Demo, based on Beta 1.3.
Classic[]
Launcher[]
- Launcher 1.3.1
- Launcher 1.3.2
- Launcher 1.3.3
- Launcher 1.3.4
- Launcher 1.3.5
- Launcher 1.3.6
- Launcher 1.3.7
- Launcher 1.3.8
- Launcher 1.3.9
- Launcher 1.3.10
- Launcher 1.3.11