Marlin 2.0.2

New Boards

• Add HMS434 V15 ATSAM board
• BigTreeTech GTR V1.0 board support

Configurations

• Configurations moved to the MarlinFirmware/Configurations repo
• Adjustable debounce for ADC keypads
• Per-tool defaults for G12 Nozzle Clean
• New tuning options for G2/G3 arc segmenting

Patched boards / pins / configs

• Better Geeetech GTM32 support
• Improve STEVAL 3DP001V1 support. Easier use of serial 2 for wifi.
• Updated BigTreeTech BTT002 pins
• Use Flash-based EEPROM storage on BTT002
• Updated FYSTEC F6 pins
• Remap BigTreeTech SKR 1.3 endstops with sensorless homing
• Fix Trigorilla 1.4 X-Max and Y-min limit switches

Hosts and UI

• Fixed issues with Touch UI FTDI Eve
• Permit more RRW Keypad / LCD combinations
• Slightly slimmer slim menus
• Better Chamber temperature safety margin
• Fix locked UI on failed G26
• Fix PID-F edit item label
• Retain SD working directory on file write/delete
• Fix serial output redirection for injected commands

New Features

• Support for up to 8 extruders
• Support for Duet Smart Effector (probe)
• Add G60/G61 position save / restore
• Add P.I.N.D.A. probe temperature compensation
• Add Heated bed probe temperature compensation
• Support for 4x Z steppers and 4x Z endstops
• Support for Nikon IR and other irregular shutter timings
• Option to set LPC1768 i2c master id (for u8g and digipots)

Issues Patched

• Better support for STmicro L64xx and powerSTEP drivers
• Fix ESP32 periodic random print pausing
• Fix power loss recovery cancel for ExtUI displays
• Fix i2c address for MCP4728 on LPC1768
• Patched Melzi fan and LCD pins
• Fix M112 when used with EMERGENCY_PARSER
• Fix errant timeout in response to M85
• Fix MBL compile issue
• Fix allocation of STM32F4/7 timers
• Optimized UTF8 to HD44780 charset translation
• Fix ESP3DLib wifi idle task
• Fix HOMING_BACKOFF_MM for delta

For Developers

• Improved STM32 build settings and timer allocation
• Updated helper scripts for Jekyll documentation