BETA RELEASE!

Marlin 2.1.3 is a major update focusing on stability, performance, and user interface.
This release is recommended for all users. Visit the Marlin Discord for assistance with configuration migration and build.

Pre-Built Firmware

We now publish pre-built binaries for many common 3D printers and other machines, according to the tuned configuration examples donated by users like you! Binaries for this version are published at the link below.

• Marlin 2.1.3 beta 3 Pre-Built Firmware

Changelog

• Full Changelog: dev-2.1.3-b2...2.1.3-b3
• For previous release notes see Marlin 2.1.3-b2.

What's New

• ✨ BUILD_INFO_MENU_ITEM (#27590)
• ✨ FLY_D5, FLY_DP5, FLY_D7, FLY_D8, FLY_D8_PRO, FLY_SUPER8_PRO, FLY_CDY_V3 (#27580)
• ✨ MIN_POWER (#27742)
• ✨ M550 CONFIGURABLE_MACHINE_NAME (#27731)
• ✨ LCD_DOUBLE_BUFFER (#26713)
• ✨ MAG_MOUNTED_PROBE_SERVO_NR (#27551)
• ✨ EDITABLE_HOMING_CURRENT (#27760)
• ✨ Native GD32 support for Aquila v1.0.1 (#27765)
• ✨ DEFAULT_ACCELERATION_SPINDLE (#27759)
• ✨ Simulator: Virtual servos, BLTouch (#27779)
• ✨ SMOOTH_LIN_ADVANCE (#27710)
• ✨ SWITCHING_NOZZLE_LIFT_TO_PROBE (#27804)
• ✨ FILAMENT_MOTION_DISTANCE_MM (#27812)
• ✨ OTA_FIRMWARE_UPDATE (Creality STM32F401RE) (d806175)
• ✨ Trinamic TMC2240 (SPI) (#25974, #27880, db137df, #27901, #27903, #27907, #27919)
• ✨ EVENT_GCODE_AFTER_MPC_TUNE (#27865)
• ✨ NONLINEAR_EXTRUSION_DEFAULT_ON (#27819)
• ✨ E3D BigBox Rumba board (#27897)
• ✨ MPC_PTC (#27911)
• ✨ EVENT_GCODE_(BEFORE|AFTER)_G34 (#27930)

What's Fixed

• 🐛 Don't reset axis_did_move in ftmotion.reset (12d491c)
• 🩹 RP2040 has PIN_SPI_SS (ab7137a)
• 🩹 Update some hex-printing (#27654)
• 🔨 Fix sim build with gcc-14 (81ef02e)
• 🔨 Fix pioarduino path check for xtensa-esp32 (#27693)
• 🩹 Fix MKS boards runout sensor pins (#27687)
• 💚 Fix Simulator CI build (#27712)
• 🚸 Fix extra "echo:" in M218 report (#27674)
• 🐛 Fix quoted string value detection (126e78d)
• 🔨 Fix CONFIG_EXPORT 1, (embed = 101) (d9229ff)
• 🩹🔧 Fix LCD_LANGUAGE for HD44780 (#27729)
• 🩹 Fix color game compile (#27721)
• 🩹 Fix max Y/Z endstop pins on GMARSH X6 REV1 (434bf81)
• 🩹 Update some SD SS pins (2d6454b)
• 🐛 Fix RAMPS AUX1 RX/TX pins (#27745)
• 🩹 BTT Manta M8P V2.0 fixes (#27748)
• 🩹 Cleanup (for STM32 I2C LCD) (9a8b1ea)
• 🩹 Fix TOUCH_UI_FTDI_EVE build (#27667)
• 🩹 Fix Simulator KILL pin overlap (#27668)
• 🚸 Fix G4 Dwell overflow (363f324)
• 🩹 Cleanup (for STM32 I2C LCD) (a8fea3d)
• ⚡️ FT Motion: Fill window in makeVector (#27718)
• 🩹 MKS_TINYBEE ADC reference voltage warning (#27755)
• 🐛 Fix E DIR init (#27770)
• 🔨🩹 Misc. code corrections, notes (15ce5d0)
• 🔨🩹 Pass Ultipanel with ADC_KEYPAD (766dfda)
• 🔨 Fix GCC14 / C++23 volatile warnings (#27768)
• 🔨🩹 Pass Ultipanel with TOUCH_SCREEN, HAS_TOUCH_BUTTONS, HAS_SLOW_BUTTONS (2004198, 546a014, a80e790)
• 🔨🩹 Drop old ULTIPANEL sanity check (26551c1)
• 🚸 Fix MKS UI print done state (#27730)
• 🚸 Fix FT Motion Linear Advance MarlinUI edit item (#27786)
• 🩹 TFT_BUFFER_SIZE => _WORDS (6f5e6fd)
• 🩹 Fix i2c encoder report (6d2dfca)
• 🩹 Fix DWIN_CREALITY_LCD_STD_ICONS (7d82f95)
• 🐛 Fix Servos in GD32 HAL (#27791)
• 🚸 Fix missing "echo:" in some reports (#27794)
• 🎨 Fix and/or warning (8867c45)
• 🩹 Fix Linear Advance edit item (58f0395)
• 🐛 Fix GD32 ignoring SERIAL_DMA on init (#27800)
• 🐛🔧 Move extra volume flags (d434729)
• 🐛 Watchdog Reset PIO on DUE to prevent hang (#27803)
• 🌐 Fix extra MSG_ATTACH_USB_MEDIA (28a1355)
• 🚸 Fix TFT GLCD "Select from Media" glitch (3df7518)
• 🩹 Fix AboutScreen::onTouchEnd warning (e3a28af)
• 🩹 Misc. HAL, flag fixes (f60bc27)
• 🩹 Fix Ultimain 2 MOTOR_CURRENT_PWM_RANGE (#27705)
• 🩹 Minor ExtUI/DGUS code fix/cleanup (585cbbb)
• 🚸 Fix MKS UI G-code result display (#27825)
• 🚸 Fix ProUI LCD wake up (#27832)
• 🩹 Fix Y_STOP_PIN alias for Y_MAX_PIN (44ef6e2)
• 🩹 Fix TH3D EZ V2 sensorless homing (735cd9a)
• 🚸 Fix ProUI LCD wake up (2) (#27835)
• 🔨 Fix build flags for env:mks_monster8_usb_flash_drive (3a3c3b8)
• 🔨 Fix some build_flags inheritance (b7a1681)
• 🚸 Fix 16x4 SD Print Progress display (#27844)
• 🧑‍💻 Fix GD32 EEPROM timings (#27846)
• 🩹 Fix 'PIN_EXIST' typo (#27856)
• ✏️ Fix variant docs typo (#27850)
• 🔧 Fix Speed/Flow edit options (#27863)
• 🧑‍💻 Fix max_isr_rate sign warnings (a4382b4)
• 🔨 Solve a linker error (af553d5)
• 🩹 Fix delay µs > 32767 (e766292)
• 🩹 Fix Bluesky badge (#27879)
• 🩹 Fix ProUI Linear Advance menu (#27878)
• 🔨 Fix Windows/ReARM upload (#27872)
• 🩹 Fix MKS UI E Max Feedrate items (bd9d7a3)
• 🩹 Call SERIAL_IMPL.msgDone() after M105 (21559b0)
• 🐛 Fix M201 with XY_FREQUENCY_LIMIT (#27859)
• 🩹 Misc temp sensor fixups (#27884)
• 🐛 More robust Smooth Linear Advance (#27862)
• 🌐 Fix Italian typo, etc. (#27890)
• 🩹 Fix some missed ONBOARD_SDIO (3ddf728)
• 🩹 Fix EXP3_03_PIN for CREALITY_V24S1_301F4 (cc05123)
• 🩹 Fix Nozzle Cleaning wait for pre-set temp (9f6cafb)
• 🩹 Fix FLY D5 / D7 serial for TMC2208 (7df503d)
• 🩹 Update Creality CR4NS (951b8be)
• 🩹 Fix Nonlinear Extrusion build (#27906)
• 🩹 Fix ProUI edit Lin.Adv.K (#27895)
• 🩹 Fix Ender-3 S1 pin EXP3-4 (#27915)
• 🩹 Minor fixes, updates, comments (5e410e3)
• 🐛 Fix Hotend > 0 Preheat (#27932)
• 🐛 Fix NONLINEAR_EXTRUSION enabled check (#27926)
• 🔧 Fix SPI_FLASH_BACKUP flag (#27934)
• 🔧 Fix TEMP_SENSOR_BED_USES_SW_SPI (#27938)
• 🐛 Fix misc. build issues (a6377e5)

User Interface

• 🚸 Disable FT Motion during Biqu Microprobe use (#27368)
• 🚸 Improve TFT touch calibrate (#26200)
• 🚸 Chamber Preheat completion (#26864)
• 🚸 Move About / Games to menu bottom (#26820)
• 🚸 ProUI "View Mesh (grid)" item (#26181)
• 🚸 Disable MIN_CHAMBER_POWER (a4c35b1)
• 🚸 Refactor MKS H43 LCD (#27776)
• 🚸 Report M48 Max Delta (#26286)
• 🚸 Refactor MKS H43 LCD (2) (#27780)
• 🚸 FT Motion menu fix, neaten (a55355d)
• 🚸 Some default filament runout pins (9a6bf16)
• 🚸 More frequent button polling (#27797)
• 🚸 "Inverted" text on GLCD (efd8757)
• 🚸 Clear alert on menu click (3696cc3)
• 🚸 Detect multi-volume insert / remove (f78aaf9)
• 🚸 Simplified Media Menu (99c29cd)
• 🚸 Extend M360 (a Repetier code) (5a88a80)
• 🚸 Include 'R' in M208 report (c8265d6)
• 🚸 Misc. optimizations, cleanup, DWIN fixes… (#27858)
• 🚸 Improve MKS UI with LVGL v6.1.2 (#27889)
• 🚸 Improve XPT2046 touch, MKS UI calibration (#27892)

Configuration

• 🔧 Sequential Opulo boards (428f721)
• 🔧 Static assert Dual X min/max (#27701)
• 🔧 BOARD_LCD_SERIAL_PORT (82d3d78)
• 🔧 More serial ports for Teensy HALs (#27736)
• 🔧 LCD_PINS_ENABLE => LCD_PINS_EN (#27700)
• 🔧 Max Stepper Rate sanity-checks (#27764)
• 🔧 Raise MBL grid size limit (#27790)
• 🔧 Malyan M300 / Monoprice Mini alternate orientation (#27808)
• 🔧 Allow SMOOTH_LIN_ADVANCE with DISTINCT_E_FACTORS (1383a4e)
• 🔧 Apply DEFAULT_VOLUME on boot (85f6090)
• 🔧 More thorough TEMP_SENSOR_* cleanup (#27826)
• 🔧 Bricolemon cleanup, update (#27829)
• 🔧 TMC Baud Rate for FLY D5/D7 (#27860)
• 🔧 Allow TMCStepper with Zonestar ZM3 E2xx (f49e730)
• 🔧 Update BIQU BX SPI driver conditionals (#27886)
• 🔧 Update BTT002 SPI driver conditionals (#27887)

Build

• 🔨 Prevent ESP32 bad dependency (2963523)
• 🔨 Elegoo Neptune boards ("elegoo.bin") (#24895)
• 🔨 Rename FYSETC S6/Spider envs (#27122)
• 🔨 PowerShell compatibility (#27720)
• 🔨 Reduce warnings on types (b5068bb)
• 🔨 Suppress generate_version (for now) (bd382fb)
• 🔨 Creality V4.2.7 (GD32) (#27796)
• 🔨 ESP3DLib update for compatibility (#27851)
• 🔨 Better FT Motion menu string code (2976bb4)

Optimization

• ⚡️ STM32H7 Serial DMA (#27633)
• ⚡️ Always "optimize" FT Motion DIR states (#27692)
• ⚡️ Optimize PID, increase PID range (#27740)
• ⚡️ Optimal recalculate_max_e_jerk (72f3a4a)
• ⚡️ GD32: Fast GPIO optimization (#27845)
• ⚡️ Optimize Smooth Linear Advance (via fixed-point) (#27818)
• ⚡️ Remove FT Motion extraneous code (#27881)
• ⚡️ SMOOTH_LIN_ADVANCE + S_CURVE_ACCELERATION (#27827)

For Developers

• 🧑‍💻 Script for gcc setup on macOS (Simulator build) (442f0ba, #27655, cbe8a68, 4875420)
• 🧑‍💻 Media conditionals (0f7fb5d)
• 🧑‍💻 More binary file types (cd3997f)
• 🧑‍💻 Standard logical FLIP(X) (99c3a71)
• 🧑‍💻 Probe Wizard comments (07b9790)
• 🧑‍💻 More extensible Temperature::lcd_preheat (4ad6fa5)
• 🧑‍💻 Lambda for MarlinUI media items (fc49efc)
• 🧑‍💻 Reuse MarlinUI::apply_preheat (a7684ec)
• 🧑‍💻 ProUI: pre-calculate menu sizes (c7e6437)
• 🧑‍💻 Silence findMissingTranslations grep output (5d75567)
• 🧑‍💻 Some millis() 'unsigned long' (91a87f4)
• 🧑‍💻 More robust TERN_ macro (ac5fa61)
• 🧑‍💻 Individual TMC flags (add72fd)
• 🧑‍💻 Language tweaks (7bd74fe)
• 🧑‍💻 Tweak MAX7219 test pattern (448ff71)
• 🧑‍💻 Allow for tests on macOS / Windows (efa1758)
• 🧑‍💻 Move stepper ENABLE to indirection.h (73ed543)
• 🧑‍💻 Digipot settings cleanup (43177af)
• 🧑‍💻 HAS_MOTOR_CURRENT_PWM_Z (59423da)
• 🧑‍💻 Add Parser::has_string (bc85f5b)
• 🧑‍💻 DGUSScreenHandler hack for MKS (#27789)
• 🧑‍💻 Clarify DEPLOY_ALARM (65b8ced)
• 🧑‍💻 Planner::max_jerk always xyze_pos_t (26b3f0b)
• 🧑‍💻 Add stepper/control.cpp (b97b094, d3687d9)
• 🧑‍💻 GD32 fast write non-bool (#27806)
• 🧑‍💻 FastIO AT90USB pins 46-47 (24928f9, ef9cec9)
• 🧑‍💻 TFT GLCD "panel_detected" (7ee745b)
• 🧑‍💻 Clarify some SD / FD build flags (d166678)
• 🧑‍💻 Stub Ca...

BETA RELEASE!

Marlin 2.1.3 is a major update focusing on stability, performance, and user interface.
This release is recommended for all users. Visit the Marlin Discord for assistance with configuration migration and build.

Pre-Built Firmware

We now publish pre-built binaries for many common 3D printers and other machines, according to the tuned configuration examples donated by users like you! Binaries for this version are published at the link below.

• Marlin 2.1.3 beta 2 Pre-Built Firmware

Changelog

• Full Changelog: e33dafe...2.1.3-b2

New Features

• ✨ EVENT_GCODE_BEFORE_G29 (#27566)
• ✨ Teensy 4 hardware PWM for laser/spindle/fan (#27608)
• ✨ MAX31865 Bed settings (#27611)
• ✨ Games for E3V2 + MarlinUI (#27620)

Fixed Issues

• 🩹 Fix VALIDATE_HOMING_ENDSTOPS missing header (e0c60a8)
• 🐛 Fix M119 filament sensor part (#27596)
• 🐛 Fix JG Aurora A1 implementation (#27622)
• 🩹 Fix EEPROM CRC display (#27631)
• 🐛 Fix config embed and restore (#27628)
• 🐛 Fix ERYONE Ery32 mini SPI for SD (#27600)

Improved

• ⚡️ STM32H7 Flash Wear Leveling (#27634)
• 🚸 Enabled probe clearance in do_move_after_z_homing (#27593)
• 🧑‍💻 Update types forward decl (#27637)
• 🧑‍💻 Add STM32/STM32F1 Open Drain (OD) pin mode (#27616)

Build

• 🔨 Fix cmake build on Linux (#27605)
• 🔨 Some boards with both LPC1768/9 (#27586)

Configuration

• 🔧 Standard filament runout pins for MKS_UI / MKS TFT (#27640)
• 🔧 BTT SKRat UART driver support pending (#27639)

Miscellaneous

• 📝 Add'l homeaxis comments (70cdfbe)
• 🔨 Migrate use_example_configs to Python (#27632)
• 🩹 Fix DGUS_LCD_UI_MKS typo (30697cb)

For previous release notes see Marlin 2.1.3-b1.

BETA RELEASE!

Marlin 2.1.3 (beta 1) is a major update focusing on stability, performance, and user interface.
This release is recommended for all users. Visit the Marlin Discord for assistance with configuration migration and build.

Pre-Built Firmware

We now publish pre-built binaries for many common 3D printers and other machines, according to the tuned configuration examples donated by users like you! Binaries for this version are published at the link below.

• Marlin 2.1.3 beta 1 Pre-Built Firmware

Full Changelog: e33dafe...2.1.3-b1

Highlights

• ✨ Fixed-Time Motion with Input Shaping by Ulendo
  (#25394, #25835, #26083, #26557, #25637, #25719, #26020, #26074, #26175,
  #26595, #26620, #26628, #26643, #26670, #26720, #26785, #26848, #27063,
  #27179, #27302, #27335, #27349, #27359, #27367, #27401, #27416, #27474,
  e7e77d9, 5bd39ba, 97d8a68, c25a673, af4ba2b, ade05c0,
  ec6bc15, b062a3b, 2d60948, 46e8b9c)
• ✨ Polar Kinematics (#25214)
• ✨ RS485 support with G-code M485 (#25680)
• ✨ HAL for RP2040 with BTT SKR Pico (#24042)
• ✨ HAL for HC32F460 (#26414)
• ✨ STARTUP_TUNE configuration (42c62ff, d77e921)
• ✨ POLARGRAPH / PEN_UP_DOWN_MENU (#25303, #25514)
• ✨ "One Click" Print newest file (#25781)
• ✨ Nonlinear Extrusion Control (M592) (#26127)
• ✨ BIQU MicroProbe (#26527)
• ✨ Prusa MMU3 (#26635)
• ✨ MAX Thermocouples for Heated Bed (#26441)
• ✨ PELTIER_BED (#27334)
• ✨🔧 Minimal configuration with Config.h (#27338)
• 🚸 Probe / Level Menu (#27393)
• 🩹⚡️ Fix judder, optimize planner (#27035)
• 🚸 Support Bed Leveling Mesh > 16x16 (060ddf5)
• 🚸 Restore Object Cancel info on Power-Loss Recovery (#27501)
• 🔧 Thermistor 100 : SoC sensor (#25745)

New Features

• ✨ Extra Z Servo Probe options (#21427)
• ✨ Z_SAFE_HOMING_POINT_ABSOLUTE (#23069)
• ✨ Z_SERVO_DEACTIVATE_AFTER_STOW (#24215)
• ✨ PROBING_TOOL (#24411)
• ✨ Switching extruder/nozzle without servo (e.g., Dondolo) (#24553)
• ✨ LARGE_MOVE_ITEMS (#25026)
• ✨⚡️ UTF support for TFT Color UI (#25073)
• ✨ Persistent AUTOTEMP settings (#25093)
• ✨ PREHEAT_TIME_BED_MS (#25146)
• ✨ AVOID_OBSTACLES for UBL (#25256)
• ✨ STATUS_HEAT_POWER (#25268)
• ✨ M306 E for MPC extruder index (#25326)
• ✨ TC_GCODE_USE_GLOBAL_* (#25399)
• ✨ LCD_BACKLIGHT_TIMEOUT for Neopixel LCD (#25438)
• ✨ REPORT_ADAPTIVE_FAN_SLOWING (#25537)
• ✨ FILAMENT_SWITCH_AND_MOTION (#25548)
• ✨ TEMP_SENSOR_SOC (#25642)
• ✨ BLTOUCH_HS_EXTRA_CLEARANCE (#25655)
• ✨ NOZZLE_CLEAN_PATTERN_* (#25666)
• ✨ AUTO_REPORT_REAL_POSITION option for M154 (#25738)
• ✨ AUTO_POWER_SPINDLE_LASER (#25739)
• ✨ NUM_REDUNDANT_FANS (#25808)
• ✨ EP_BABYSTEPPING (#25869)
• ✨ VOLUMETRIC_EXTRUDER_LIMIT_MAX (#25884)
• ✨ G-code 'T' report current tool (#26151)
• ✨ MAX7219_REINIT_ON_POWERUP (#26163)
• ✨ Z_PROBE_ERROR_TOLERANCE (expose) (#26229)
• ✨ Tool Migration-specific settings (#26244)
• ✨ Probe XY Offset value limits (#26267)
• ✨ SERIAL_DMA (for some STM32Fx) (#26328)
• ✨ BED_ANNEALING_GCODE (#26341)
• ✨ BD_SENSOR_PROBE_NO_STOP (#26353)
• ✨ G27 P3 / P4 (#26401)
• ✨ COMPACT_CUSTOM_BOOTSCREEN (#26419)
• ✨ XY_AFTER_HOMING, EVENT_GCODE_AFTER_HOMING (#26469)
• ✨ DOUBLE_LCD_FRAMERATE (#26500)
• ✨ MARKFORGED_INVERSE (#26516)
• ✨ EDITABLE_DISPLAY_TIMEOUT (#26517)
• ✨ EDITABLE_STEPS_PER_UNIT (#26618)
• ✨ Status Screen flow adjustment (#26627)
• ✨ PLR_BED_THRESHOLD (#26649)
• ✨🔨 EEPROM exclusion zone (#26729)
• ✨ Redundant PSU Control with EDM (#26751)
• ✨ MARLIN_SMALL_BUILD option (#26775)
• ✨ SHOW_CUSTOM_BOOTSCREEN for HD44780 (#26793)
• ✨🐛 HC32 - Add SERIAL_DMA, fix SDIO and MEATPACK (#26845)
• ✨ M3 / M4 O for laser/spindle (#26883)
• ✨ FAN_KICKSTART_LINEAR (#27072)
• ✨ INPUT_SHAPING_Z (#27073)
• ✨ M110 Get Command Line Number (#27090)
• ✨ CONTROLLER_FAN_BED_HEATING (#27409)
• ✨ EDITABLE_HOMING_FEEDRATE / M210 (#27456)
• ✨ M820 Report temporary M810-M819 macros (#27458)
• ✨ GENERIC_BACK_MENU_ITEM (bebf5dc)
• ✨ MAX7219_DEBUG_MULTISTEPPING (4fdb0fb)
• ✨ NUM_REDUNDANT_FANS too (f97a813)
• ✨ PROBE_TARE_MENU (9b472a0)
• ✨ Rename @ strings _A => _N (556d716)

New Controllers

• ✨ New DGUS_LCD_UI option, IA_CREALITY (#25143, #25175, 42cfa4f, #25397)
• ✨ TFT 320x240 portrait (#25207)
• ✨ SPI TFT / Touchscreen for STM32H7 (#25784)
• ✨ Sovol SV06 Plus Touchscreen (#25864)
• ✨ CTC_A10S_A13 (#26514)
• ✨ Initial support for HC32 U8G LCD (#26568)
• ✨ Ender-3 V2 LCD with SKR 3 EZ (#27061)

New Boards

• ✨ BigTreeTech Manta M4P, M5P, M8P V1.0 / 1.1, E3 EZ (#25001)
• ✨ Blackpill-based custom board (#25152)
• ✨ Sovol v1.3.1 (Sovol SV06) (#25267)
• ✨ BTT Octopus Max EZ 1.0, SKR 3.0 / 3.0 EZ (#25387)
• ✨ AnyCubic Vyper / Vyper LCD (#25405)
• ✨ I3DBEEZ9 board (#25614)
• ✨ Creality E3 Free-runs Silent Motherboard (#25636)
• ✨ Panowin Cutlass / Bardo (F1 / Trinus) (#25663)
• ✨ Creality Ender-2 (Melzi) (#25754)
• ✨ Creality STM32F401RE board (e.g., Ender-5 S1) (#25773)
• ✨ KEDI (STM32F1) and GODI (ESP32) boards (#25796)
• ✨ Geeetech GT2560 V4.1B board (#25888)
• ✨ MM-JOKER (ESP32) board (#25897)
• ✨ Ender 3 S1 Pro/Plus stock touchscreen (#25905)
• ✨ BTT RAMPS 1.6+ (#25970)
• ✨ BTT Octopus Pro V1.1 (STM32H723ZE) (#26043)
• ✨ Mellow Fly E3 V2 (STM32F407VG) (#26081)
• ✨ BTT Octopus Pro V1.0.1 (STM32H723ZE) (#26159)
• ✨ FYSETC Cheetah v3.0 (#26314)
• ✨ MINGDA D2 D301 v1.0 (#26340)
• ✨ BlackBeezMini 3D by I3DBEE (#26406)
• ✨ Voxelab Aquila N32 (via Maple) (#26470)
• ✨ Orca 3D Modular Controller (#26534, c313811)
• ✨ BigTreeTech Kraken V1.0 (STM32H723ZG) (#26565)
• ✨ BigTreeTech Manta M8P V2.0 (STM32H723ZE) (#26578)
• ✨ Creality v2.4.S4_170 (Ender 2 Pro, HC32F460KCTA) (#26730)
• ✨ Dagoma D6 / DiscoUltimate v2 TMC (#26874, 0269106)
• ✨ Ender-3 V3 board CR4NS200320C13 (#27003)
• ✨ XTLW boards (#27260)
• ✨ BigTreeTech SKRat V1.0 (STM32G0B1VE) (#27361)
• ✨ Mellow/Fly RRF E3 V1.0 (STM32F407VG) (#27466)

Optimizations

• ⚡️ Implement CALIBRATION_GCODE as endstop (#27204)
• ⚡️ Misc. optimizations (e6ac9ff)
• ⚡️ Major shaper optimization (e4b83ad)
• ⚡️ Improve TFT DMA for STM32 (#25359)
• ⚡️ Use strlcpy with buffer size (#26513)
• ⚡️ Update ISR cycle counts (db2b8a6)
• ⚡️ Reduce DISPLAY_SLEEP_MINUTES overhead (#26964)
• ⚡️ Ethernet Buffer for Input Shaping on LPC (#26027)
• ⚡️ Optimize LPC176x set_pwm_duty (#27178)
• ⚡️ Use cached la_active state (d554844)
• ⚡️ Load/init (most) settings after showing boot-screen (#27199)
• ⚡️ Exit from ISR on AVR already does sei (cb66bff)
• ⚡️ Reduce edit_screen code size (#25420)
• ⚡️ Tiny string optimization (bf61e52)
• ⚡️ Faster COMPACT_MARLIN_BOOT_LOGO (rle16) (#26153)
• ⚡️ Slimmer null T command (#26615)
• ⚡️ G30 optimize and comment (7901eb9)
• ⚡️ Add / enforce min_entry_speed_sqr (#27089)
• ⚡️ Compact RGB565 TFT boot images (#26011)
• ⚡️ Skip a redundant BLTouch::command (#25656)
• ⚡️ Set steps_per_isr in calc_multistep_timer_interval (549419e)
• ⚡️ Mixer label in PROGMEM (4b8e4ef)
• ⚡️ Use AxisFlags for step_needed (4a0cb4f)
• ⚡️ Smart Adaptive Multi-Stepping (#25474)
• ⚡️ Fix motion smoothness (#27013)
• ⚡️ Fix MMU2 sscanf bug, optimize (#26449)
• ⚡️ Improve Homing / Probing Current (#26714)
• ⚡️ Optimize LPC176x pin toggle (#27149)
• ⚡️ SAMD21 LCD uses HW SPI with media (#26012)
• ⚡️ Use hal_timer_t for timing vars (194f587)
• ⚡️ Extend bitmap compression (178938d)
• ⚡️ Optimize speed lookup for AVR (143a870)

LCD / Controller

• 🚸 Improve MMU2 unload (like original MMU2S) (#20147)
• 🚸 Temperature Variance Monitor tweaks (#23571)
• 🚸 Color UI remaining time (#24843)
• 🚸 M86-M87 Hotend Idle Timeout (#25015)
• 🚸 Negative temperature display option (#25036)
• 🚸 Unify edit limits for some E3V2 LCDs (#25045)
• 🚸 Attach USB media (#25120)
• 🚸 MarlinUI edit steps/mm to 2 decimal places (#25144)
• 🚸 Z Servo Probe is HAS_STOWABLE_PROBE (#25158)
• 🚸 RGB_STARTUP_TEST for PCA9632 (#25163)
• 🚸 ProUI updates (#25176)
• 🚸 ProUI MPC menu (#25232)
• 📺 Melzi v4 with BTT SKR Mini E3 (#25321)
• 🚸 Option to report temperature on error (#25341)
• 🚸 SPI endstops for X/Y Dual and Core (#25371)
• 🚸 Stop button for Touch UI (#25379, a321125, #26342)
• 🚸 Interruptible PLR (#25395)
• 📺 Update Re-ARM VIKI2 SPI pins (#25411)
• 🚸 Optional X-Axis (#25418)
• 🚸 Fix / improve LCD_BED_TRAMMING (#25425)
• 🚸 Improve CocoaPress Touch UI (#25446)
• 🚸 Refinements for UBL G29 J (tilt mesh) (#25486)
• 📺 DGUS_RELOADED 1.03 (#25490)
• 🚸 Improve Z-Probe raise for deploy (#25498)
• 🚸 Improved MPCTEMP autotune (#25503)
• 🚸 TFT optional axes/extruder (#25624)
• 🚸 TS35 portrait display (#25629)
• 🚸 Support CoreXY without Z (#25630)
• 🚸 G28 / G30 return for failed probe deploy (#25652)
• 🚸 MarlinUI Endstop Test Screen, and more (#25667)
• 🚸 Echo G30 out-of-bounds (#25671)
• 🚸 Improve PAUSE_PROBE_DEPLOY_WHEN_TRIGGERED (#25681)
• 🚸 Permit G38 with Core (#25713)
• 🚸 Bed distance sensor improvements (#25847)
• 🚸 Improve EEPROM validation (#25860)
• 🚸 Fix TFT menu positioning (#25942)
• 🚸 Portrait TS35 move axis screen (#25945)
• 🚸 Revert M206 Home Offset behavior (#25996)
• 🚸 Update DWIN ProUI (#26003)
• 🚸 BD Sensor Z axis stop height (#26015)
• 🚸 JyersUI MPC menu (#26017)
• 🚸 Fix HD44780 EDIT_ITEM position (#26073)
• 🚸 Fix input shaping menu for SHAPING_FREQ_[XY] == 0 (#26075)
• 🚸 Fixes for ProUI, JyersUI, backlight, etc. (#26086)
• 🚸 Update LCD Manual Leveling display (#26088)
• 🚸 UI Sound off/on with M300 E<0|1> (#26142)
• 🚸 Adjust ColorUI chamber bmp (#26149)
• 🚸 DOGM active extruder in...

This is a minor release bringing over some changes from the latest development branch. Configurations have been patched up to allow for a more complete binary deployment.

Example Configurations for many machines are posted at:
https://github.com/MarlinFirmware/Configurations/tree/release-2.1.2.5

Binaries of this release can be found at:
https://github.com/MarlinFirmware/MarlinBuilds/tree/release-2.1.2.5

Full Changelog: 2.1.2.4...2.1.2.5

Changes

• 🩹 Fix STM32 CPU serial UUID (#26715, #26727, #26737)
• 🐛 Fix skipping of G2/G3 E-only moves
• 🐛 Update and patch some pins files
• 📝 Update some config links and defaults
• 🔨 Update build and other supporting scripts
• 🔨 Add mega1281 specific build environment
• 🔨 Update to the newest Simulator
• 🧑‍💻 Update to the newest Pins Debugging

Marlin 2.1.2.4 is a maintenance release to patch a few issues affecting certain kinds of setups, e.g., independent axes with multiple endstops. We recommend trying this version if you've encountered any of these issues.

Fixed / Improved

• 🩹 Fix broken STEPTEST for multi-endstop (9e02be4)
• 🐛 Mount media early for POWER_LOSS_RECOVERY (#27177)
• ✏️ Fix comma typo (#27138)
• 🚸 Prefer friendly Power Off over Auto-unalive (aa778c3)
• ⚡️ Optimize LPC176x pin toggle (#27149)

Build

• 🔨 Update SAMD51 build deps (1d13aaa)
• 🔧 Overridable SUICIDE_PIN for RAMPS_CREALITY (#27143)
• 🔧 Assume RAMPS_CREALITY is not CR2020 (e6787f7)

Miscellany

• 📝 Remove dead video links (23fda5b)
• 🎨 Misc. SPI cleanup (c674f01)
• 📝 "Boards Manager" (af8747e)
• 🧑‍💻 Adjust pulse_phase_isr code guards (#27112)

Marlin 2.1.2.3 is a maintenance release patching a few bugs and regressions. We recommend giving this version a try if you encountered any of the following issues that existed in Marlin 2.1.2.2.

• 🐛 Fix DETECT_BROKEN_ENDSTOP on IDEX (#26790)
• 📝 Fix M201 typos (#26854)
• 👷 Minor signature.py adjustments
• ✏️ Fix stepper MS pin typos (#26891)
• 🚸 Hide auto-run as needed (#26853)
• 🐛 Fix ESP32 laser M4 exception (#26884)
• 📝 Fix Cutter.md typo (#26901)
• 🔨 Fix binary upload firmware path (#26909)
• 🩹 Fix missing MSG_ATTACH_SD_MEDIA define (#27020)
• 🩹 Fix missing EXTENSIBLE_UI include (#27021)
• 🩹 Fix broken ENDSTOPPULLUP_ZMIN_PROBE (#27022)
• 🩹 Update preheat end time var (#27023)
• 🩹 Fix missing HAS_DUAL_Y_STEPPERS (#27024)
• 🩹 Fix ESP3D WiFi, bump config version (#27025)
• 🐛 Fix bool operator for XYval, etc. (#27026)
• 🩹 Fix serial temp error language [63fba61]
• 🐛 Prevent 'EVAL' macro collision (#27132)

Marlin 2.1.2.2 is a maintenance release with several patches to improve existing features, with minor adjustments to configuration.

New Features

• ✨ Add Thermistor 14 (used for the Ender-5 S1).

Issues Fixed

• 🐛 Fix I/J/K chopper timing (#26736)
• 🚸 Fix repeating "Power Off" message (#26755)
• 🐛 Fix G38 probe target probe checking.
• 🚸 Raise top temperature to 320°C for Thermistor 1.
• 🐛 Fix leveling XY move feedrate on ExtUI displays.
• 🐛 Fix quick homing for UVW with SENSORLESS_HOMING.
• 🔧 Improved support for machines without X, Y, Z, E axes.
• 🚸 Remove extra G76 probe raise.
• 🔧 Allow per-axis baud rate for TMC stepper drivers.
• 🐛 Fix fan software PWM init.
• 🐛 Fix inverted fan state.
• 🐛 Fix init for inverted heater states.
• 🐛 Fix build error with Thermistor 68.
• 🐛 Fix support for more than 4 servos.
• 🐛 Ensure serial flush after M303.
• 🐛 Fix M125 wait for user with some displays.

LCD / Controller / UI

• 🚸 Fix Filament Change item position with/without encoder.
• 🚸 Update FTDI Eve Touch UI (Lulzbot / Cocoa Press).
• 🍱 Update DWIN icon graphic files.
• 🚸 Use the term "Tramming" instead of "Level Corners."
• 🌐 Update Romanian font data.
• 🌐 Allow menu strings to contain '='.

Build / Install

• 🔨 Improve PlatformIO INI feature filters.
• 🔨 Apply specific version / commit ID to libraries.

Boards / Pins

• 🔧 Rename BOARD_BTT_MANTA_M4P_V1_0 to BOARD_BTT_MANTA_M4P_V2_1.
• 🎨 Replace LCD_PINS_ENABLE with LCD_PINS_EN.
• 🎨 Replace FAN_PIN with FAN0_PIN.
• 🎨 Replace SDIO_SUPPORT with ONBOARD_SDIO.
• 🔥 Remove unpublished board VAkE 403D.

Configuration Changes

• 📝 Update links to products, documentation.
• 🔧 Move configuration change alerts to inc/Changes.h.
• 🔧 Replace DISABLE_[AXIS] true/false with simple switches DISABLE_[AXIS].
• 🔧 Replace TFT_SHARED_SPI with TFT_SHARED_IO.
• 🔧 Remove X2_HOME_DIR (always assume +1).
• 🔧 Remove EXPERIMENTAL_SCURVE (not needed).
• 🔧 Replace TMC_SW_MOSI/MISO/SCK with TMC_SPI_MOSI/MISO/SCK.
• 🔧 Replace BTT_MINI_12864_V1 with BTT_MINI_12864.
• 🔧 Replace FOLDER_SORTING with SDSORT_FOLDERS.
• 🔧 Replace DISABLE_INACTIVE_EXTRUDER with DISABLE_OTHER_EXTRUDERS.
• 🔧 Replace DEFAULT_STEPPER_DEACTIVE_TIME with DEFAULT_STEPPER_TIMEOUT_SEC.
• 🔧 Replace DISABLE_INACTIVE_[AXIS] true/false with simple switches DISABLE_IDLE_[AXIS].

General Cleanup

• 🎨 Clean up file headings, whitespace, code formatting, comments.

For Developers

• 🧑‍💻 Globally replace EITHER/BOTH with ANY/ALL
• 🧑‍💻 Globally replace LOOP* macros with for loops.
• 🧑‍💻 Globally replace SDSUPPORT with conditional HAS_MEDIA.
• 🧑‍💻 Replace ADC_VREF with ADC_VREF_MV for easier validation.
• 🧑‍💻 Replace AS_CHAR() with C() for serial echo.

Known Issues

• See #27019 for a list of known issues.

• 🔨 Update for compatibility with PlatformIO 6

• 🔨 Update for compatibility with PlatformIO 6

• 🔨 Update for compatibility with PlatformIO 6