Ardour 9.1 is an update that addresses significant bugs from version 9.0, including issues with the bottom pane and MIDI note playback. It introduces new MIDI features such as "MIDI note chase," which prevents silent notes during long sounds, and "MIDI note duplication," allowing for easier copying of note clusters. The update also includes practical improvements like enhanced region dragging, zooming, and a more intuitive pitch-bend value display. Overall, upgrading to Ardour 9.1 is highly recommended for users experiencing issues with the previous version

Ardour 9.1 Update: Bug Fixes and New Features for Improved Workflow

Ardour 9.1 is an update that fixes some major bugs from its predecessor, including issues with the bottom pane and MIDI note playback. The new version also introduces two useful MIDI features: "MIDI note chase," which prevents silent notes during long sustained sounds, and "MIDI note duplication," which allows users to easily copy clusters of notes. Additionally, several practical improvements have been made, such as improved region dragging, zooming, and pitch-bend value display. If you've been running into issues with the bottom pane or MIDI playback in version 9.0, upgrading to Ardour 9.1 is a recommended fix.

Ardour 9.1 Update: Bug Fixes and New Features for Improved Workflow @ Linux Compatible