www.kvraudio.com/news/musicdevelopments-updates-rapidcomposer-to-v6-1-3-67017
MusicDevelopments updates RapidComposer to v6.1.3
18th May 2026
MusicDevelopments has released RapidComposer v6.1.3 with workflow improvements, better MIDI handling, and stability fixes.
This update includes:
- Split phrases horizontally using Alt+Ctrl+click.
- The on-screen keyboard position and size are now saved between sessions.
- When adding the Sustain Pedal and other on/off MIDI CCs, the editor now shows individual events by default.
- Added a velocity multiplier to the Phrase Browser for previewing phrases with a softer tone. It can be adjusted by right-clicking the One-Click Preview button.
- Visual improvements for UHD resolutions.
- Improved Live Mode behavior when using an aftertouch keyboard.
- Fixed model file downloading (the window was not updated during download).
- Fixed the import of MIDI files with multiple time signature changes.
- Fixed an issue where the plug-in state could be lost after opening a composition file.
- Fixed hanging notes caused by sustain pedal events.
- Stability improvements.
KVR Audio, Inc.
www.kvraudio.com