v2.1.0

• New theme: tracked (capitals tracked wide, dark wells, square-knob switches)
• One scrub trail for every theme, drawn past the panel's edge
• Skeu: one translucent key edge, steppers inside the field, swatch fixed
• Soft: segmented choice in the select's socket, even 1px groove
• Glass: darker lens edge, on-states edged in the accent lit
• Studio: one ink polarity, step dots clear of label and value

Full Changelog: v2.0.0...v2.1.0