Firmware Changelog

This page is your overview of every update to the 22IDEX V4 firmware and macro package. Here you can see, at a glance, what each release fixes and improves, and whether it is worth updating. The newest release is always at the top, and we add to this page with every new release.

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4.1.7 (September 2026)

Fixes

• Fixed Bed Dance creating its compensation axes as hidden, which caused every move for those axes to be discarded and drove the bed from a single leadscrew instead of all three.
• Updated the direct wiki links in popup messages to point to the new wiki.
• Fixed tool change macros driving the heads into walls when Movement Without Homing was enabled.
• Re-sliced the XY Squaring and Pressure Advance test prints with the current slicer profile bundle.
• Movement Without Homing now turns itself off at the start and end of a job, when a job is cancelled, and after Home All, instead of staying on until the next power cycle.
• Home X and Home U now reference Y first when it is not homed, instead of moving the crossbar to an unknown position.
• Home Z no longer runs a full bed levelling pass first, so it only takes a Z reference.

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4.1.6 (August 2026)

Fixes

• Tool Height Auto Calibration now reads the actual user position instead of the raw machine position, so tool offsets and babysteps are no longer ignored - previously this could produce invalid calibration moves.
• The minimum Z limit was lowered so tool height calibration keeps working even with a very low probe Z offset.
• The shipped default probe Z offset is now standardized.

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4.1.5 (July 2026)

Fixes

• Heat soak is now correctly skipped when the chamber wait is overridden with Start Now - both after the chamber heating-rate warning and after the wait timeout.
• Firmware release archives are now packaged without compression.

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4.1.4 (July 2026)

Fixes

• Tool change macros no longer re-apply the Z-axis travel limits. Re-applying them reset the minimum to 0 and prevented the bed from reaching negative coordinates during tool height calibration.

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4.1.3 (July 2026)

Fixes

• Z and the hidden V/W/A compensation axes are now recreated at the start of every print, together with the Z motor settings and travel limits. This fixes the bed drift caused by compensatex.g bed tilting.

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4.1.2 (June 2026)

Fixes

• Replaced the round function in PID Tuning Hotend - it is only available in RRF 3.6.0 and later.
• Fixed the Z limits in XY - Offset Calibration that prevented the nozzle from entering the bed hole.

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4.1.1 (June 2026)

Fixes

• Reverted the DWC Z-axis move step from 5 back to 25 mm.

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4.1.0 (June 2026)

A major restructuring release. On the first boot after updating, the printer detects the old file structure and runs the migration automatically.

Architecture

• Restructured user config storage: all user files moved from /user/ to /sys/user/variables/ (calibration values) and /sys/user/actions/ (runnable commands), clearly separating persistent state from executable G-code.
• Centralized globals: global variable declarations moved to /sys/globals.g, included from config.g.

New Features

• Auto-upgrade: config.g runs version.g, which detects a missing /sys/user/ structure and automatically starts the migration on first boot.
• Migration macro: moves user files from the old paths to the new structure, resets a subset of settings to defaults, shows a stats popup on completion, then restarts the printer.
• Version tracking: version.g writes the current firmware version to /sys/version.txt; SlicerSyncVersion.g tracks the slicer version in /sys/slicer/version.txt.
• The Check Firmware macro now reports RRF firmware (main board, expansion, Wi-Fi), macro version, and slicer version.
• 3-tier fault detection settings for the bed and chamber heaters, with safety disclaimers.

PID Tuning

• Unified PID tuning macros with improved error handling, fault re-check after reset, and LED phase indicators.
• Added chamber pre-heating for high-temp tuning, CSV logging at a 1 second interval, and TXT parameter snapshots.
• Fixed the cooldown threshold, homing outside the chamber block, and LED reset pass-through.

Print Lifecycle

• Nozzle heating is deferred until the bed and chamber reach their targets.
• Reworked filament loading and unloading (baseload.g / baseunload.g) with several bug fixes and UX improvements.
• Startup logs are timestamped; heater fault events are recorded.

Calibration & Diagnostics

• Added null guards for the probe pickup position in Probe Calibration.

Fixes

• Fixed the T1 Y-offset sign in the Calibration macros (forward/backward swap).

UI / Messages

• Improved warnings and formatting across macros; simplified fault detection messages.
• Updated PLA/PETG enclosure warnings; LEDs reset on fault clear.
• Renamed Adjust XU Position to Adjust Homing Position.

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Ran into a problem after an update? Please contact our support team and quote the exact firmware versions reported by the Check Firmware macro so we can pinpoint the issue.