ShowMIDI v0.5.x

[gbevin]

• completely new UI, optimized for legibility and cleanliness, many thanks to Stephen Petoniak for the design
• settings for middle C octave, note display, numeric display, and timeout delay
• sidebar for hiding and showing MIDI devices
• support for themes, including a built-in theme editor
• automatic switching between dark and light theme based on operating system settings
• themes are SVG files and can easily be edited and previewed in any SVG tool
• themes can also be loaded by dragging a supported SVG file and dropping it on the ShowMIDI window
• an initial set of themes are available in the repository