MPC 3.9.1 combines the best parts of standalone and desktop music production in one powerful ecosystem, making it easy to move between environments without interrupting your creative flow.
This update introduces new Arrange Mode editing tools, MPC Oscillators, Desktop Arrange Mode Beta, AU/VST3 support, expanded USB functionality for MPC One G2 and MPC Key 37 G2, workflow improvements, and more.
Available now as a free update for MPC Standalone and MPC Desktop Beta.
Bug Fixes
Saving and Loading:
• MPC will no longer crash when loading a project with corrupt samples
• Cancelling MPC2 import no longer results in empty project with no Outputs
• Loading Force projects with CV tracks will no longer cause an error message
Sample Edit:
• Sample Edit default tab has been corrected
• Sample Edit Start and End markers no longer become unresponsive when slice is set to
'Pad' in Track Edit
• Sample Edit Start and End markers no longer change after placing the sample on an
Audio track
MPCe:
• Aftertouch and Pad X/Y Position automation events are now captured when recording
Clips to Arrange
• Fixed an issue that could cause the MPCe pads to not respond on the first boot after an
update
• MPC Live III and XL performance has been improved in projects containing high
numbers of note events
Track Mute:
• Track Mute mode now edits the correct group after duplicating/deleting a track
• MPC Live III and XL Step Sequencer Track Mute buttons now edit the correct track after
duplicating/deleting a track
Touch Strip/Q-Links:
• Touch Strip Q-Link mode order is now correct
• Current Track Q-Link no longer jumps to the first 2 tracks
Playback:
• Clips can now be retriggered after switching sequence during playback
• Reduced cases of stutters and audio dropouts when changing clip or sequence
Popups:
• Added clarification to Eject error to state reason for drive being in use
Grid View:
• Holding Shift and pressing cursor buttons in Grid View now works for zoom in/out in
Standalone
Plugins:
• Audio dropout no longer occurs when using certain internal plugin effects
Drum Tracks:
• Improved responsiveness of drum envelope attack and decay values
Activations:
• Reduced cases where products could deactivate at startup
Known Issues
• Ableton Live ALS imports project with the wrong clip lengths
• Running status can cause certain third-party keyboards to have stuck notes when using
MIDI DIN jacks
[...]
Release notesopens in a new tab — cdn.inmusicbrands.com
Akai MPC One+ firmware FAQ
What is the latest firmware for the Akai MPC One+?
The latest firmware for the Akai MPC One+ is version 3.9.1, released on 17 Jul 2026. FW//RADAR last checked Akai's official page on 17 Oct 2026.
How do I update the Akai MPC One+?
Update via inMusic Software Center. Connect the device via USB, launch the app, and follow on-screen prompts to install the latest firmware. Full instructions on Akai's official firmware page.
What software do I need to update the Akai MPC One+?
You need inMusic Software Center, available from akaipro.com.
Where can I download Akai MPC One+ firmware and drivers?
Directly from Akai's official firmware page — FW//RADAR links to the source and never hosts firmware files. Official firmware page →