AudioTheory Guitars version 2.3.1

A small patch arrives for AudioTheory Guitars. This includes the following changes: [list] [*]Fix for scale intervals not displaying correctly [*]Alternate A7 chord shape added [*]Logo no longer vanishes on M1 MacBook when fullscreen mode is active [*]File browser support now working on M1 Macs [*]Bug fix for modal scales not saving between sessions [*]Fix for diminished scales not loading correctly from the scale library [*]Engine upgrade [/list]