Releases · MarlinFirmware/Marlin

Marlin 2.1.2.1 is a maintenance release with several patches to improve existing features, fix some issues, and support a few more devices.

Bugs Fixed

🐛 Fix Mesh Bed Leveling Z correction (#25122)
🩹 Remove extraneous EZBoard V2 autofans (#25166)
🩹 Remove extraneous EZBoard V1 autofans (#25182)
🩹 Update MKS_GEN_13 MOSFET pins (#25126)
🐛 Fix Neopixel 1 startup (#25203)
🐛 Fix Chitu V6 Z_STOP_PIN (#25227)
🐛 Fix homing_needed_error (dd518f0)
🐛 Fix potential I2S buffer overwrite (#25113)
🐛 Fix, Refactor PID scaling (#25096)
🐛 Fix Ender-2 Stock Display with Melzi (#25258)
🐛 SDIO retry, hsd clock, etc. (0ed083a)
✏️ Fix probe invert flag (#25282)
🐛 Fix MKS board Ultipanel support (#25278)
🩹 Fix G61 axis parameters with no offset (#25312)
🩹 Use M205 D when 'B' is an axis (87d7449)
🐛 Fix FastPWM calculations (#25343)
🐛 Fix AVR maths used by Stepper (#25338)
🐛 Fix ISR_SHAPING_LOOP_CYCLES (#25335)
🐛 Fix Linear Advance E position tracking (#25442)
🐛 Fix LA retract/feedrate edge case (#25445)
🐛 Fix apply_power for SPINDLE_SERVO (#25465)
🐛 Fix Flash EEPROM for STM32G0B1CB (#25469)
🐛 Fix Anet ET4 SD_SS_PIN (#25492)
🐛 Fix long filename read/report (#25509)
🩹 Fix SD partitionTable packing (#25648)
🩹 Fix MARLIN_F446Zx_TRONXY variant (#25659)
🐛 Fix MKS Robin Nano 1.3 F4 pin collision (#25838)
🐛 Fix UBL 'G29 J' mesh tilt (#25453)
🐛 Fix FYSETC Cheetah v2.0 Servo/Probe pins (#24635)
🩹 Fix Ender 2 stock LCD (#25538)
🩹 Fix a serial_ternary (d68ad9e)
🩹 Fix Chitu3D V6 default probe pin (#25552)
🐛 Fix M23 long filename support (#25540)
🩹 Fix Ender-3 V2 with no fan (a3d9a23e31)
🐛 Ensure root for 'M503 C' (8ad9b63b61)
🐛 Fix Configuration Embedding (#25688)
🩹 Fix laser with no PWM compile (#25290)
🐛 Fix G38 with Z, support 9 axes (#25691)
🩹 Fix UBL safe measure move with extra axes (946ba9df6e)
🔨 Servo Timer 1 with STM32F103RC_fysetc (#25741)
🐛 Fix STM32 USB disconnect behavior (#25762)

Improvements

🩹 Misc. extra axis updates (93c61b1)
🩹 Safe Bed Leveling updates (6e38ec3)
🩹 Various simple fixes (59c8857)
🩹 Extra axes for Tool Change (a49d286)
🩹 Extra axis min home with Delta Sensorless Probe (f7485ce)
🚸 SPI endstops for X/Y Dual and Core (#25371)
🎨 Tweak VALIDATE_MESH_TILT (50f4e6b)
⚡️ Reduce edit_screen code size (#25420)
⚡️ Exit from ISR on AVR already does sei (3ec5d6d)
⚡️ Misc. optimizations (d0bdb9c)
🩹 Reset touch screen calibration on failure (#25334)
🚸 Support CoreXY without Z (#25630)
⚡️ Skip a redundant BLTouch::command (#25656)
🚸 Permit G38 with Core (#25713)
🚸 Improve PAUSE_PROBE_DEPLOY_WHEN_TRIGGERED (#25681)
🚸 Faster default Marlin feedrate (056a97585c)
🧑‍💻 M43 updates (e342905e77)
📌 TH3D EZBoard SD_DETECT_PIN 27 (5e319b181b)
🚸 Improve EEPROM validation (#25860)

New Features

🔨 VSCode + Devcontainer support (#22420)

New Boards

✨ BigTreeTech Manta M4P, M5P, M8P V1.0 / 1.1, E3 EZ (#25001)
✨ BTT Octopus Max EZ 1.0, SKR 3.0 / 3.0 EZ (#25387, #25495, #25535)
✨ Sovol v1.3.1 (Sovol SV06) (#25267)

LCDs and Controllers

📺 Melzi v4 with BTT SKR Mini E3 (#25321)
📺 Update Re-ARM VIKI2 SPI pins (#25411)

User Interface

🚸 Hide IS menu while busy (bcb0a37)
🚸 MarlinUI edit steps/mm to 2 decimal places (#25144)
🚸 Attach USB media (#25120)
🩹 Fix E3V2 MarlinUI XYZ frame (#25206)
🚸 ProUI updates (#25176, 62487c6)
🚸 Interruptible PLR (#25395)
🚸 Improve CocoaPress Touch UI (#25446)
🩹 Fan Menu / Status fixes (c3b037e)
🩹 Fix DWIN MarlinUI Fan/E/XY (#25502)
🩹 Fix Touch Calibration first point (#25298)
🩹 Fix displayed mix percentages (2984911583)
🚸 Minor M43 improvements (a632a5e4a0)
🚸 Echo G30 out-of-bounds (#25671)
🩹 Improve edit menu rounding (16c27d3045)

Language Updates

🧑‍💻 Script to make non-accented languages (db0c8b3)
🌐 Regenerate language data (6d8c9f6)
🌐 Update Slovak language (#25305)
🌐 Update Italian language (#25309, #25454, #25587)
🌐 Update Turkish language (#25447)

Configuration

🚸 Z Servo Probe is HAS_STOWABLE_PROBE (#25158)
🔧 Add H8 to Creality 4.2.2 stepper warning (#25154)
🔧 Input Shaping sanity checks (d62119e)
🔧 Added MOTHERBOARD error text (6cf085d)
🔧 Overridable Stepper EN init (2c39f84)
🔧 Refine Input Shaping check (#25280)
🔧 Fix build with no Y axis (#25311)
🔧 Fix SD sorting sanity checks (#25318)
🔧 Sanity-check hotend max / preheat temps (#25407)
🧑‍💻 Fix preheat tests (nested macro limit ~256)
🔧 Fix Einsy Rambo TMC driver check (53698b8)
🔧 Fix Sensorless Probe sanity-check err (#25417)
🔧 Sanity-check PRINTCOUNTER_SAVE_INTERVAL + ESP32 I2S Exp (#25527)
🔧 Update thermocouple 2 pin sanity check (#25627)
🔧 Fix up WiFi options (#25586)
🔧 Move TFT sanity checks (52d32d79bc)
🔧 Move FIL_RUNOUT_PIN for Chiron + GLCD (a0f87a5149)
🔧 Trigorilla / Chiron updates (00e5ea8e13)
🩹 Fix Spindle/Laser ENA pin test (#25622)
🔧 Check renamed LIN_ADVANCE_K (#25710)
🔧 Extra axis endstop defaults (c662543199)
🔧 Update config.ini script (5e1884b16f)
🩹 Fix TFT sanity error (8af449f0d0)
🔧 Move MMU section (24bbe948bf)
🔧 Fix X2/Y2 axis pins check (d5f13b3b5a)
🔧 Move SOFT_PWM_SCALE fallback to cpp (#25800)
🔧 Fix SHAPING_MIN_FREQ check (#25358)

Build / Upload

🔨 FILAMENT_RUNOUT_SCRIPT sanity check (#25150)
🔨 Improve config.ini parser (58d94f4)
🔨 Fix config.ini URL fetch (#25313)
🔨 Adjust INI comments (#25183)
🔨 Suppress native build warnings (38c4c7f)
🔨 Encrypt some MKS Robin (#25349)
🔨 Fix marlin_custom.* without lib_deps (d5d497f)
🔨 Fix env STM32G0B1RE_btt, add …_manta_btt (#25431)
🔨 Improve config.ini example fetch (dfd1fb7)
🔨 Fix thread-unsafe deque iteration (5f8df0a)
🔨 Use 'build_src_filter' (b7ee06b)
🔨 INI Updates (51b33cc)
🔨 Improve runout script check (f672ff85bf)
🔨 Fix, clean up STM32F1 envs (#25697)
🩹 Fix 'mc.zip' file creation (#25695, #25706)
🔨 Prevent SlowSoftWire + Wire name conflict (#25707)
🔨 MKS Robin2 PIO Env (#25792)

Simulator

📝 More native.ini docs (#25201)
📝 Linux Sim apt-get line (#25208)
🩹 Fix Sim with USE_WATCHDOG disabled (71cb723)
🔨 MarlinSimUI updates (#25589)

Other Issues

🩹 Remove extraneous EZBoard V1 autofans (#25182)
🩹 Fix missing IS_MELZI (#25190)
🩹 Update TRONXY_V10 SPI_FLASH pins (26cb2d5)

For Developers

🧑‍💻 Fix ONBOARD_FLASH_SIZE (a039081)
🐛 Avoid lambda for menu items (#25169)
🧑‍💻 Add Temperature::is_above_target (9383c2a)
🩹 Replace pow() with _BV() (#25186)
🧑‍💻 Fix D5 warning (e7c4a86)
🔨 Fix test build path with spaces (#25329)
🧑‍💻 Add SD Card 'hide' method for dev usage (#22425)
🧑‍💻 General 'MediaFile' type alias (#24424)
🔧 Add a test for extra axes (98c9ecd)
🔨 Fix 'step' type in createTemperatureLookupMarlin.py (#25455)
🔨 Update font scripts (0e3d951)
🧑‍💻 Add IA_CREALITY CI test (#25434)
🧑‍💻 More IntelliSense-friendly declares (dcbba65)
🎨 Pins header comments (ebe3fe0)
🧑‍💻 Auto Fan / Cooler Fan updates (#25554)
🔨 Improve Docker local tests support (#25583)
🧑‍💻 Update pinsformat.js (ff17f41418)
🧑‍💻 Clarify G28 R / R0 (e682322be6)
🩹 Fix AUTOFAN_CASE (1ea6d4c105)
🧑‍💻 Apply simplified ?: (81dba38cd7)
🧑‍💻 JyersUI code cleanup (d5370f752f)
🧑‍💻 Status Message cleanup (a6b1e99dc6, #25720)
🧑‍💻 HostUI::continue_prompt method (928c1dcc44)
🧑‍💻 Minor SpindleLaser::set_enabled tweak (99a88aec54)
📝 Developer note in boards.h (704cc32bec)
🧑‍💻 Change HAL_PATH macro for easier HAL relocation (#25743)
🧑‍💻 Use NUM_AXIS_ARRAY (4c7d68935c)
🧑‍💻 "ftdi_language" (15de0c2139)

General Cleanup

📝 Fix Configs URL (#25167)
🧑‍💻 Fix type warning (#25149)
🎨 Misc. IS cleanup (c990a35)
🎨 Rename *_temp_error to *temp_error (58e9dc0)
🎨 Misc. cleanup (#25194)
🎨 Misc. formatting (c3c6432)
🎨 Language / menu cleanup (947a9cb)
🎨 Heading cleanup (dd892c6)
📝 Fix Z*_ENDSTOP_ADJUSTMENT comments (#25295)
📝 Fix BTT_MINI_12864_V1 comment (#25366)
✏️ Fix README typo (#25388)
🎨 Use LIMIT macro (071d54e)
🎨 Suppress M122 sign warning (#25613)
📝 Link to archived RA Control Panel page (#25424)
📝 Fix a comment (197b319)
🎨 Suppress warning (#25529)
🎨 calibration_stage => stage (accfab8)
🎨 LPC_SOFTWARE_SPI => SOFTWARE_SPI (376e940)
🎨 Timer tweaks (a40e17d)
🎨 Remove unused ProUI : UBLValidMesh (#25591)
📝 Update Ender # labels (ebeb9ece9d)
🎨 Apply const (#25643)
🎨 Detab some build files (56431ecbad)
🎨 Clean up TFT Color UI display items (#25712)
🎨 Move G28O inside ProUI (73edf3c71d)

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Bugs Fixed

Improvements

New Features

New Boards

LCDs and Controllers

User Interface

Language Updates

Configuration

Build / Upload

Simulator

Other Issues

For Developers

General Cleanup

Known Issues

Releases: MarlinFirmware/Marlin

Marlin 2.0.5.5

Marlin 2.0.4.5

Marlin 2.0.3.1

Marlin 2.0.2.1

Marlin 2.0.1.1

Marlin 2.0.0.1

Marlin 1.1.9.2

Marlin 2.0.9.7

Marlin 2.1.2.1

Bugs Fixed

Improvements

New Features

New Boards

LCDs and Controllers

User Interface

Language Updates

Configuration

Build / Upload

Simulator

Other Issues

For Developers

General Cleanup

Marlin 2.0.9.6

Known Issues