4.0.6 Release: August 2026
New Features:
• New polyphonic Arpeggiator modes
• Mutator patch randomizer
• Global->MIDI->Out:
- New setting whether arp/seq notes shall be sent out to external. Works also with Iridium Desktop & Core when triggered from external MIDI inputs.
Bug Fixes:
FS#2832 - Midi learn CC OK button touch range
FS#2837 - Layer Multi no notes played after load
FS#2839 - Mutator: At 0%, still mutates osc semitone and filter1 env amount
FS#2842 - Master Compressor Missing
FS#2843 - Display Brightness changes to 40% if screensaver>power off
- Arpeggiator: Fixing Chord Sort Order (won't work together with Poly Arp)
- MPE Zones Button Glitch
- MIDI CC Learn UI Glitch
- Update Panel fix
- Various USB & Flash fixes
Extract the zip and copy iridium-core.update.bin to the root of a FAT/exFAT USB drive. Connect to the Controller USB port, go to Global > System > Update and select the file. Do not install Iridium Desktop/Keyboard/Quantum firmware on this unit.
2 releases since Oct 2025, roughly one every 10 months.
Changelogs summarised from the manufacturer's release notes.
Version 4.0.6 — 6 Aug 2026
Release notes for this version are listed above.
Release notesopens in a new tab — downloads.waldorfmusic.com
Version 3.3.0 — 1 Oct 2025
3.3.0 Release Candidate 1: October 2025
Bug Fixes:
FS#2638 - FX modulation is offset by one
FS#1866 - Matrix: FX1-FX5 destinations mixed up in 5 Serial
FS#2538 - Typos in Add Samples dialog
FS#2524 - Typo: Missing 't' in Resonator-Timbre-Select entry
FS#2622 - Menü FAVORITES wird in LOAD - Assign Favorites nicht korrekt angezeigt
- General stability fixes.
- Fixing pitch wheel having sometimes wrong pitch effect.
3.3.0 Beta 3 - September 2025
New Features:
- Number of favorite sets increased to 12
- Number of distinct bank and author names increased to 100
Bug Fixes:
- Fixing hanging midi out notes in layered mode
- Fixing midi out overloads
3.3.0 Beta 2:
New Features:
- Modulation Matrix
- New source "Release Velocity"
- Macros
- More screens to select from for "Show Screen"
- Global
- Improved Support Log esp. for freeze errors
Bug Fixes:
- Fixing PolyAT Calibration
- Removing "Rec Level" from Global->Audio for Iridium instruments as it only is functional for Quantums
- Fixing situations when no MIDI is received on macOS Sonoma with "local off" and MIDI 2.0 mode for some applications like Live.
- FS#2503 - Typo 'nuber' in save patch 'please select a slot' popup
3.3.0 Beta 1:
New Features:
- PitchBend
- "Per Note PitchBend" (e.g. from MPE or MIDI 2.0) is now independently handled from wheel ptch bend.
- It has its own range setting in Osc->Pitch&Tools (for all 3 osc same)
- It is a new source in the modulation matrix
- Samples
- The "Load" button in Global->Audio has been renamed to "Browse"
- In the file browser you can now copy whole directories between internal Flash and USB/SD storage.
- MIDI 2.0
- High-resolution Velocity, Poly Aftertouch, Controller, Wheels and Channel Pressure
- Supported e.g. by Logic and Cubase on macOS Sonoma or Sequoia.
- All internal processing of these now with 32 bit floating point precision
- Transformed and received to/from via USB Midi Host & Device (Controller & Computer ports)
[...]
Tracked in 1 rig on FW//RADAR.
Waldorf Iridium Core firmware FAQ
What is the latest firmware for the Waldorf Iridium Core?
The latest firmware for the Waldorf Iridium Core is version 4.0.6, released on 6 Aug 2026. FW//RADAR last checked Waldorf's official page on 26 Oct 2026.
How do I update the Waldorf Iridium Core?
Extract the zip and copy iridium-core.update.bin to the root of a FAT/exFAT USB drive. Connect to the Controller USB port, go to Global > System > Update and select the file. Full instructions on Waldorf's official firmware page.
Where can I download Waldorf Iridium Core firmware and drivers?
Directly from Waldorf's official firmware page — FW//RADAR links to the source and never hosts firmware files. Official firmware page →