History of Klipper releases. Please see installation for information on installing Klipper.

Klipper 0.3.0

Available on 20161223. Major changes in this release:

Improved documentation
Support for robots with delta kinematics
Support for Arduino Due micro-controller (ARM cortex-M3)
Support for USB based AVR micro-controllers
Support for "pressure advance" algorithm - it reduces ooze during prints.
New "stepper phased based endstop" feature - enables higher precision on endstop homing.
Support for "extended g-code" commands such as "help", "restart", and "status".
Support for reloading the Klipper config and restarting the host software by issuing a "restart" command from the terminal.
Stepper performance improvements (20Mhz AVRs up to 158K steps per second).
Improved error reporting. Most errors now shown via the terminal along with help on how to resolve.
Several bug fixes and code cleanups

Klipper 0.2.0

Initial release of Klipper. Available on 20160525. Major features available in the initial release include:

Basic support for cartesian printers (steppers, extruder, heated bed, cooling fan).
Support for common g-code commands. Support for interfacing with OctoPrint.
Acceleration and lookahead handling
Support for AVR micro-controllers via standard serial ports