Marlin 2.0.0

New Features

• 32-bit support with several boards added
  • DUE / SAM3X8E
  • Grand Central / SAM5D
  • Smoothie / SBASE / EZBoard / LPC176x
  • SKR Mini / STM32
  • ESP32
• Improved support for AVR boards
  • Melzi / ATmega 1280
  • RAMPS / ATmega 2560
  • RAMBo / miniRAMBo / Einsy RAMBo
• Initial support for running Marlin in Linux (RAMPS mapping)
• PlatformIO build environments for supported boards
• VSCode “Auto Build Marlin" extension for one-click build
• Power-Loss Recovery (for SD print jobs)
• (Magnetic) Parking Extruder support
• (Magnetic) Switching Toolhead and Toolchanger support
• Prusa MK2 Multiplexer support
• Prusa Multi-Material Unit v2 (MMU2) support
• Gradient Mixing and Gradient Virtual Tools
• Automatic power supply control
• More Trinamic driver support, including TMC2208/9
• Touch Mi probe support
• Rack & Pinion probe support
• Improved BLTouch support, extended 3.0 options
• Games for Graphical LCD
• More customizable Status Screen
• LED control menu
• EEPROM auto-init
• Lulzbot Touch UI support
• Extensible UI for serial / touch displays, from Lulzbot
• FSMC display support
• Custom thermistor formula option
• Heated Chamber support
• External closed loop controller support
• Dual stepper axes, triple Z, multi-endstop, Z auto-align
• Dual X (IDEX) mirror mode
• Homing backoff
• Minimum planner speed option
• Backlash Compensation with tuning
• Re-Print last SD file from LCD option
• SD firmware flash support
• SD card sharing with host PC options
• Optimized SD binary file transfer option
• Distinct Spindle / Laser options
• M7/M8/M9 Coolant Control
• M16 Expected Printer Check
• M486 Cancel Objects
• Analog Joystick axis jogging
• Display total E during print option

Improvements

• Support for up to 6 extruders
• Junction Deviation enabled by default
• Improved Linear Advance compatibility
• More temperature sensors supported
• Simplified probe boundary configuration
• Extended tool-change options
• Extended M240 photo trigger options
• Improved Max7219 support
• More UI languages including Korean and Vietnamese
• More graphical Status Screen layout options
• Configurable limits for editable planner settings
• More LCD display types and options
• Improved delta calibration

For Developers

• Hierarchical file layout
• Standardized HAL interfaces
• Indexed menu item titles
• Automated serial response routing

Known Issues

• Mixing Extruder with G10/G11 may have quirks
• Sensor-less probing is still pretty experimental