v1.4.1-paxx12-19 Extended Firmware released

Hey everyone! Just released v1.4.1-paxx12-19 of the extended firmware for the Snapmaker U1.

What's new:

  • Base firmware updated to v1.4.1 — Bug fixing release correcting filament loading issues.
  • BIQU Panda Breath chamber heater support — 300 W PTC heater + HEPA/carbon filter, exposed as a standard Klipper heater_generic. Enable via Firmware Config → Snapmaker Components → Panda Breath Chamber Heater.

Download & install: https://github.com/paxx12-snapmaker-u1/SnapmakerU1-Extended-Firmware/releases/tag/v1.4.1-paxx12-19

Full changelog: https://github.com/paxx12-snapmaker-u1/SnapmakerU1-Extended-Firmware/pull/519

Of course, if you find my work useful, there are ways to support this project. Look at the first link.

Happy printing! Feel free to ask questions or report issues on GitHub.

Posted Jun 11, 2026, 10:36 PM UTC

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