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Changelog

Marlin

Marlin is a firmware for RepRap 3D printers optimized for both 8 and 32 bit microcontrollers. Marlin supports all common platforms. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.

MarlinFirmware/Marlin

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NewJune 25, 2025

Marlin 2.1.3 beta 3

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: https://github.com/MarlinFirmware/Marlin/compare/dev-2.1.3-b2...2.1.3-b3
For previous release notes see Marlin 2.1.3-b2.

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🐛 Don't reset axis_did_move in ftmotion.reset (12d491c5f7)
🩹 RP2040 has PIN_SPI_SS (ab7137ab8e)
🩹 Update some hex-printing (#27654)
🔨 Fix sim build with gcc-14 (81ef02e41f)
🔨 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 (126e78dcce)
🔨 Fix CONFIG_EXPORT 1, (embed = 101) (d9229ff355)
🩹🔧 Fix LCD_LANGUAGE for HD44780 (#27729)
🩹 Fix color game compile (#27721)
🩹 Fix max Y/Z endstop pins on GMARSH X6 REV1 (434bf81f8e)
🩹 Update some SD SS pins (2d6454b352)
🐛 Fix RAMPS AUX1 RX/TX pins (#27745)
🩹 BTT Manta M8P V2.0 fixes (#27748)
🩹 Cleanup (for STM32 I2C LCD) (9a8b1eab93)
🩹 Fix TOUCH_UI_FTDI_EVE build (#27667)
🩹 Fix Simulator KILL pin overlap (#27668)
🚸 Fix G4 Dwell overflow (363f324179)
🩹 Cleanup (for STM32 I2C LCD) (a8fea3d674)
⚡️ FT Motion: Fill window in makeVector (#27718)
🩹 MKS_TINYBEE ADC reference voltage warning (#27755)
🐛 Fix E DIR init (#27770)
🔨🩹 Misc. code corrections, notes (15ce5d0612)
🔨🩹 Pass Ultipanel with ADC_KEYPAD (766dfda80e)
🔨 Fix GCC14 / C++23 volatile warnings (#27768)
🔨🩹 Pass Ultipanel with TOUCH_SCREEN, HAS_TOUCH_BUTTONS, HAS_SLOW_BUTTONS (2004198b07, 546a014a59, a80e790cf6)
🔨🩹 Drop old ULTIPANEL sanity check (26551c17c2)
🚸 Fix MKS UI print done state (#27730)
🚸 Fix FT Motion Linear Advance MarlinUI edit item (#27786)
🩹 TFT_BUFFER_SIZE => _WORDS (6f5e6fd25b)
🩹 Fix i2c encoder report (6d2dfcaa1c)
🩹 Fix DWIN_CREALITY_LCD_STD_ICONS (7d82f95df8)
🐛 Fix Servos in GD32 HAL (#27791)
🚸 Fix missing "echo:" in some reports (#27794)
🎨 Fix and/or warning (8867c45831)
🩹 Fix Linear Advance edit item (58f03953b8)
🐛 Fix GD32 ignoring SERIAL_DMA on init (#27800)
🐛🔧 Move extra volume flags (d434729da6)
🐛 Watchdog Reset PIO on DUE to prevent hang (#27803)
🌐 Fix extra MSG_ATTACH_USB_MEDIA (28a1355f29)
🚸 Fix TFT GLCD "Select from Media" glitch (3df75188f3)
🩹 Fix AboutScreen::onTouchEnd warning (e3a28afd51)
🩹 Misc. HAL, flag fixes (f60bc278fa)
🩹 Fix Ultimain 2 MOTOR_CURRENT_PWM_RANGE (#27705)
🩹 Minor ExtUI/DGUS code fix/cleanup (585cbbb203)
🚸 Fix MKS UI G-code result display (#27825)
🚸 Fix ProUI LCD wake up (#27832)
🩹 Fix Y_STOP_PIN alias for Y_MAX_PIN (44ef6e2b70)
🩹 Fix TH3D EZ V2 sensorless homing (735cd9a092)
🚸 Fix ProUI LCD wake up (2) (#27835)
🔨 Fix build flags for env:mks_monster8_usb_flash_drive (3a3c3b8a22)
🔨 Fix some build_flags inheritance (b7a1681d38)
🚸 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 (a4382b4dcd)
🔨 Solve a linker error (af553d5fbd)
🩹 Fix delay µs > 32767 (e7662920a6)
🩹 Fix Bluesky badge (#27879)
🩹 Fix ProUI Linear Advance menu (#27878)
🔨 Fix Windows/ReARM upload (#27872)
🩹 Fix MKS UI E Max Feedrate items (bd9d7a3c4d)
🩹 Call SERIAL_IMPL.msgDone() after M105 (21559b0c59)
🐛 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 (3ddf728333)
🩹 Fix EXP3_03_PIN for CREALITY_V24S1_301F4 (cc05123a80)
🩹 Fix Nozzle Cleaning wait for pre-set temp (9f6cafbae3)
🩹 Fix FLY D5 / D7 serial for TMC2208 (7df503de93)
🩹 Update Creality CR4NS (951b8be3a1)
🩹 Fix Nonlinear Extrusion build (#27906)
🩹 Fix ProUI edit Lin.Adv.K (#27895)
🩹 Fix Ender-3 S1 pin EXP3-4 (#27915)
🩹 Minor fixes, updates, comments (5e410e35ab)
🐛 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 (a6377e5215)

🧑‍💻 Script for gcc setup on macOS (Simulator build) (442f0baf14, #27655, cbe8a6867c, 487542083b)
🧑‍💻 Media conditionals (0f7fb5d88d)
🧑‍💻 More binary file types (cd3997f045)
🧑‍💻 Standard logical FLIP(X) (99c3a7136d)
🧑‍💻 Probe Wizard comments (07b979012a)
🧑‍💻 More extensible Temperature::lcd_preheat (4ad6fa59df)
🧑‍💻 Lambda for MarlinUI media items (fc49efcaef)
🧑‍💻 Reuse MarlinUI::apply_preheat (a7684ecd67)
🧑‍💻 ProUI: pre-calculate menu sizes (c7e64371c9)
🧑‍💻 Silence findMissingTranslations grep output (5d755676a9)
🧑‍💻 Some millis() 'unsigned long' (91a87f45d9)
🧑‍💻 More robust TERN_ macro (ac5fa61de5)
🧑‍💻 Individual TMC flags (add72fd045)
🧑‍💻 Language tweaks (7bd74fecbb)
🧑‍💻 Tweak MAX7219 test pattern (448ff71899)
🧑‍💻 Allow for tests on macOS / Windows (efa175820f)
🧑‍💻 Move stepper ENABLE to indirection.h (73ed54308a)
🧑‍💻 Digipot settings cleanup (43177af21c)
🧑‍💻 HAS_MOTOR_CURRENT_PWM_Z (59423da42f)
🧑‍💻 Add Parser::has_string (bc85f5bebf)
🧑‍💻 DGUSScreenHandler hack for MKS (#27789)
🧑‍💻 Clarify DEPLOY_ALARM (65b8ced80c)
🧑‍💻 Planner::max_jerk always xyze_pos_t (26b3f0b00f)
🧑‍💻 Add stepper/control.cpp (b97b09413f, d3687d933c)
🧑‍💻 GD32 fast write non-bool (#27806)
🧑‍💻 FastIO AT90USB pins 46-47 (24928f93ba, ef9cec9e40)
🧑‍💻 TFT GLCD "panel_detected" (7ee745b2da)
🧑‍💻 Clarify some SD / FD build flags (d16667838f)
🧑‍💻 Stub CardReader, proper methods (5c0e8d594d)
🧑‍💻 Specific SD / FD methods (06ef78dd19)
🧑‍💻 Group HAL/*/eeprom code (e0d8ea57a8)
🧑‍💻 Organize some HAL code (4d8f82df32)
🧑‍💻 MSC for RP2040 - alpha (38d6d61912)
🧑‍💻 Clarify parking_extruder_unpark_after_homing (9bbbcd439b)
🧑‍💻 Update GD32 MFL Platform, Arduino Core (#27830)
🧑‍💻 Relocate some factory reset, etc. (6cda10de0f)
🧑‍💻 Use DISTINCT_E_FACTORS (fad7bc66e9)
🧑‍💻 Singleton notation (54c1a1df4e)
🧑‍💻 ALIM(I,ARR) macro (b12028f4dd)
🧑‍💻 Consolidate MIN/MAX/STOP endstop pin assign (#27839)
🧑‍💻 Get E axis in FTMotion::loadBlockData (#27870)
🧑‍💻 Serial ON_OFF, TRUE_FALSE (0916d32589)
🧑‍💻 Lock TMCStepper version tag (fa25737a9f, 8f19e2d7d4, 9dbce712fc, fbce327402)
🧑‍💻 Tweak G90 / G91 declaration (c377237fd8)
🧑‍💻 Macros for larger sets (b59251c388)

Marlin

Marlin 2.1.3 beta 3

BETA RELEASE!

Pre-Built Firmware

Changelog

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Marlin 2.1.3 beta 3

BETA RELEASE!

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Changelog

What's New

What's Fixed

User Interface

Configuration

Build

Optimization

For Developers

Other Changes

New Contributors

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