Minecraft wiki entry for Developer_version, associated text: 1 List of developer builds
1.1 Java Edition
1.1.1 Pre-classic
1.1.2 Classic
1.1.3 Indev
1.1.4 Infdev
1.1.5 Alpha
1.1.6 Beta
2 Developer versions with distinct version labels
2.1 Java Edition
2.2 Bedrock Edition
2.3 Legacy Console Edition