Rinkhals 20250815_01

What's Changed

• Added support for KS1 2.5.6.4
• Progress on update automation

Supported printers

Model	Tested firmwares	Notes
Kobra 3 (+ combo)	2.4.0 2.4.0.4 2.4.1.9	2.4.0.4 seems to have some weird behaviors
Kobra 2 Pro	3.1.2.3	Only with mainboard Trigorilla Spe B v1.0.x. 3.1.4 is buggy
Kobra S1 (+ combo)	2.5.6.0 2.5.6.4
Kobra 3 Max (+ combo)	2.4.6.5 2.4.8.4
Kobra 3 V2 (+ combo)	1.0.5.8 1.0.7.3

Full Changelog: 20250725_01...20250815_01

Rinkhals 20250725_01

What's Changed

• Added support for K3 2.4.1.9, K3M 2.4.8.4, K3V2 1.0.7.3 and KS1 2.5.6.0, drop support for K3M 2.4.6, KS1 2.5.3.1 and 2.5.3.5
• Fix duplicate keys in cfg when whitespace mismatched by @dniminenn
• Add SHA256 check during GitHub downloads and MD5 check during installation
• Force full screen refresh after waking from sleep #256
• Better bed levelling procedure for the KS1 (thanks to @m4d53 in #251)
• Improve printer mutable files consistency (thanks to @Felixoid in #230)

Supported printers

Model	Tested firmwares	Notes
Kobra 3 (+ combo)	2.4.0 2.4.0.4 2.4.1.9	2.4.0.4 seems to have some weird behaviors
Kobra 2 Pro	3.1.2.3	Only with mainboard Trigorilla Spe B v1.0.x. 3.1.4 is buggy
Kobra S1 (+ combo)	2.5.3.8 2.5.6.0
Kobra 3 Max (+ combo)	2.4.6.5 2.4.8.4
Kobra 3 V2 (+ combo)	1.0.5.8 1.0.7.3

New Contributors

• @dniminenn made their first contribution
• @m4d53 made their first contribution

Full Changelog: 20250706_02...20250725_01

Rinkhals 20250706_02

What's Changed

• Fix temperature not being reported to SimplyPrint correctly #249
• Update Moonraker to latest to get Simplyprint fixes

Supported printers

Model	Tested firmwares	Notes
Kobra 3 (+ combo)	2.4.0 2.4.0.4	Some reports indicate that 2.4.0.4 is less stable with Rinkhals
Kobra 2 Pro	3.1.2.3	Only with mainboard Trigorilla Spe B v1.0.x. 3.1.4 is buggy
Kobra S1 (+ combo)	2.5.3.1 2.5.3.5 2.5.3.8
Kobra 3 Max (+ combo)	2.4.6 2.4.6.5
Kobra 3 V2 (+ combo)	1.0.5.8

Full Changelog: 20250629_02...20250706_02

Rinkhals 20250629_02

What's Changed

• Added support for Kobra S1 firmware 2.5.3.8 #229
• Improve CDN connectivity to download old FWs from mirror #217
• Auto refresh app info in UI and fix a couple of issues
• Updated mjpg-streamer app that dynamically reload when connecting/disconnecting cameras and per camera settings #219
• Improve the Rinkhals monitor to account for printers other than K3
• Move logs to one temp directory to save EMMC cycles and to isolate Rinkhals traces
• New Progressssss Bar by @IguanaBob in #228
• Fix jobs showing twice in history #118
• Fix a UI bug where some app properties cannot be changed

Supported printers

Model	Tested firmwares	Notes
Kobra 3 (+ combo)	2.4.0 2.4.0.4	Some reports indicate that 2.4.0.4 is less stable with Rinkhals
Kobra 2 Pro	3.1.2.3	Only with mainboard Trigorilla Spe B v1.0.x. 3.1.4 is buggy
Kobra S1 (+ combo)	2.5.3.1 2.5.3.5 2.5.3.8
Kobra 3 Max (+ combo)	2.4.6 2.4.6.5
Kobra 3 V2 (+ combo)	1.0.5.8

Full Changelog: 20250617_01...20250629_02

Rinkhals 20250617_01

Note

I know a new firmware is already out for the S1, but I still wanted to release this one as it went through good testing already.
This is also the first release theoretically supporting the Kobra 3 V2. It should work although we don't have any testers yet..

What's Changed

• Add initial support for Kobra 3 V2 firmware 1.0.5.8 #213
• Added support for Kobra S1 firmware 2.5.3.5. Drop support for 2.5.2.3
• Share and improve update logic between the installer and the main UI
• Improved UI rotation logic (by @IguanaBob in #210)
• Updated Fluidd to 1.34.2
• Match bed calibration script with stock behavior #137
• Try to improve bed mesh config save and load #177 #178 #176
• Make the help command show the macros in Fluidd/Mainsail
• Expose all macros to Mainsail/Fluidd #160

Supported printers

Model	Tested firmwares	Notes
Kobra 3 (+ combo)	2.4.0 2.4.0.4	Some reports indicate that 2.4.0.4 is less stable with Rinkhals
Kobra 2 Pro	3.1.2.3	Only with mainboard Trigorilla Spe B v1.0.x. 3.1.4 is buggy
Kobra S1 (+ combo)	2.5.3.1 2.5.3.5
Kobra 3 Max (+ combo)	2.4.6 2.4.6.5
Kobra 3 V2 (+ combo)	1.0.5.8

Full Changelog: 20250531_01...20250617_01

Rinkhals 20250531_01

Note

I got some reports that official Kobra 3 firmware 2.4.0.4 seems less stable with Rinkhals for some people even if no changes have been done. Please keep that in mind while upgrading your printer.

What's Changed

• Add support for K3 2.4.0.4, KS1 2.5.3.1, K3M 2.4.6.5 and drop K3 2.3.9.3, KS1 2.5.1.6
• Fix screen rotation in VNC with K3M
• Stabilize the printer by prioritizing the print process, the printer should eb more stable using multiple apps and Mainsail/Fluidd clients (thanks to @prasha-au, #128)
• Expose additional fans for the Kobra S1
• Switch to 720p camera stream by default. Expose 1080p for testing

New Contributors

• @IguanaBob made their first contribution in #197
• @topes1 made their first contribution in #200

Supported printers

Model	Tested firmwares	Notes
Kobra 3 (+ combo)	2.4.0 2.4.0.4
Kobra 2 Pro	3.1.2.3	Only with mainboard Trigorilla Spe B v1.0.x. 3.1.4 is buggy
Kobra S1 (+ combo)	2.5.2.3 2.5.3.1
Kobra 3 Max (+ combo)	2.4.6 2.4.6.5

Full Changelog: 20250523_01...20250531_01

Rinkhals 20250523_01

Note

This is the first release supporting the Kobra 3 Max printer 🥳 Many thanks to evil_santa, CalmFrog, basvd, _René, RadioRadio and all the people who contributed to make that happen! ❤️

What's Changed

• Added support for the Kobra 3 Max (firmware 2.4.6)
• SWU tools are now built and released with Rinkhals
• Fixed a bug that prevented the upload of files >100MB
• The webcam is now added by default in Mainsail / Fluidd / ...
• Fixed a bunch of issues in the Rinkhals UI and Installer
• Lots of new pages and guides in the documentation (still WIP, but better!): https://jbatonnet.github.io/Rinkhals/

Supported printers

Model	Firmwares	Notes
Kobra 3 (+ combo)	2.3.9.3 2.4.0
Kobra 2 Pro	3.1.2.3	Only with mainboard Trigorilla Spe B v1.0.x. 3.1.4 is buggy
Kobra S1 (+ combo)	2.5.1.6 2.5.2.3
Kobra 3 Max (+ combo)	2.4.6

Full Changelog: 20250517_01...20250523_01

Rinkhals 20250517_01

What's Changed

• Hotfix over 20250514_01: The installer was crashing for first time Rinkhals users
• New Rinkhals Installer tool
  • Dedicated tool with LVGL touch UI
  • Usable with or without Rinkhals installed
  • Allows installing / updating Rinkhals
  • Allows upgrading / downgrading system firmware
  • Includes debug bundle, config reset, ssh and other tools
  • New tool to clean old Rinkhals versions
• Exposed app configuration through UI (mjpg-streamer, moonraker, ...)
• Added a VNC / Remote display app using VNC / noVNC by @basvd in #153
• Rewritten touch UI using LVGL for faster startup and better responsiveness
• New Docker-based build system by @basvd in #135
• Move notion docs over to MkDocs by @Meowcat285 in #172
• #155 fix strange behavior for kobra 2 pro model with added cam delay by @zerograv90 in #169

New Contributors

• @basvd made their first contribution in #116
• @Meowcat285 made their first contribution in #172
• @zerograv90 made their first contribution in #169

Supported printers

Model	Firmwares	Notes
Kobra 3 (+ combo)	2.3.9.3 2.4.0
Kobra 2 Pro	3.1.2.3	Only with mainboard Trigorilla Spe B v1.0.x. 3.1.4 is buggy
Kobra S1 (+ combo)	2.5.1.6 2.5.2.3

Full Changelog: 20250514_01...20250517_01

Rinkhals 20250506_01

What's Changed

• Added support for K3 2.4.0 firmware, removed support for K3 2.3.8.9 firmware
• Updated Fluidd to 1.34.1 to prepare MMU support

Supported printers

Model	Firmwares	Notes
Kobra 3 (+ combo)	2.3.9.3 2.4.0
Kobra 2 Pro	3.1.2.3	Only with mainboard Trigorilla Spe B v1.0.x. 3.1.4 is buggy
Kobra S1 (+ combo)	2.5.1.6 2.5.2.3

Full Changelog: 20250424_01...20250506_01

Rinkhals 20250424_01

What's Changed

• Added support for K3 2.3.9.3 firmware, removed support for K3 2.3.8 firmware
• Added support for KS1 2.5.2.2 firmware, removed support for K3 2.4.8.3 and 2.5.0.6 firmware
• Replaced support for KS1 2.5.2.3 instead of 2.5.2.2
• Updated Mainsail to 2.14.0 (fixes 3D rendering and missing toolhead)
• Stabilize gkcam startup by adding a small delay
• Expose Moonraker default print settings to CLI
• Prevent error 11407 when multiple bed meshes are saved
• Improve install process to get rid of the 80% installation issue

Supported printers

Model	Firmwares	Notes
Kobra 3 (+ combo)	2.3.8.9 2.3.9.3
Kobra 2 Pro	3.1.2.3	Only with mainboard Trigorilla Spe B v1.0.x. 3.1.4 is buggy
Kobra S1 (+ combo)	2.5.1.6 2.5.2.3

New Contributors

• @Sorbetcitron made their first contribution in #140

Full Changelog: 20250409_01...20250424_01