Changelog

1.6.1+1.21.3 - 2026-02-15

• Fix issue that caused initial mouse movements to be ignored in some cases

1.6.0+1.21.3 - 2026-02-11

• Convert to Mojang mappings in preparation for deobfuscated Minecraft

1.5.0+1.21.3 - 2026-02-09

• Move disable command feedback to mcio_ctrl
• Last version before converting to Mojang mappings
• MCIO_PROTOCOL_VERSION = 7

1.4.0+1.21.3 - 2025-10-22

• Clean up protocol parsing
• Auto-format code
• MCIO_PROTOCOL_VERSION = 7

1.3.0+1.21.3 - 2025-06-05

• Track built-in Minecraft stats and send updates to the agent
• Moving protocol to use options. This should help with performance as new data is added, and ease backward compatibility
• MCIO_PROTOCOL_VERSION = 6

1.2.0+1.21.3 - 2025-05-26

• Preload initial chunks in sync mode.
• Add Open-To-LAN support
• Default to the Steve skin. Also allow selection among default skins.
• MCIO_PROTOCOL_VERSION = 5

1.1.0+1.21.3 - 2025-05-16

• Fractional cursor positions. This allows for POV changes of < 0.15 degrees, matching MineRL.
• MCIO_PROTOCOL_VERSION = 5

1.0.0+1.21.3 - 2025-05-09

• MCIO_PROTOCOL_VERSION = 4

0.6.1+1.21.3 - 2025-05-05

• Update readme for mcio_ctrl
• MCIO_PROTOCOL_VERSION = 4

0.6.0+1.21.3 - 2025-05-03

• More consistent clear input behavior in sync mode
• Clear input also sets the mouse to a default position
• MCIO_PROTOCOL_VERSION = 4

0.5.0+1.21.3 - 2025-04-06

• Change protocol to combine keys and mouse buttons in the same list
• MCIO_PROTOCOL_VERSION = 4

0.4.0+1.21.3 - 2025-03-11

• Add key/button tracking
• Add clean_input action
• Add option to hide Minecraft window
• Add option to disable FPS limits and vsync
• Add raw frame support and make it the default. Raw frames are currently exported upside-down for performance reasons.
• Removed jpeg and png frame export. Too slow.
• Client and server tick fast in sync mode
• MCIO_PROTOCOL_VERSION = 3

0.3.0+1.21.3 - 2025-01-14

• Change from zmq pub/sub to push/pull
• Action and observation ports are configurable via env variables
• Option to send frames as jpeg
• MCIO_PROTOCOL_VERSION = 2

0.2.0+1.21.3 - 2024-12-23

• Add Stop to protocol
• Reverse bind/connect for the action port
• MCIO_PROTOCOL_VERSION = 1

0.1.2+1.21.3 - 2024-12-16

• Default to mode ASYNC
• MCIO_PROTOCOL_VERSION = 0

0.1.1+1.21.3 - 2024-12-08

• Fix frame alignment issue
• MCIO_PROTOCOL_VERSION = 0

0.1.0+1.21.3 - 2024-12-05

• Initial release of the MCio mod for Minecraft.
• MCIO_PROTOCOL_VERSION = 0