Bug fixes:
- Corner radius setting now updates instantaneously
- Auto-boldness now instantaneously adjusts per-display on Wayland
- Improve robustness of GTK button generation
- Window outline in shadow now has correct window shape when bottom corners of window are not rounded
New features:
- Subtle 1px outline of window in font colour to improve contrast and add polish
- Gapless auto-hiding scrollbar arrows -- see video at http://paulmcauley.com/kde/classikstyles/gapless_autohiding_scroll_arrows.mp4
- KCM option in Application Style whether to auto-hide scrollbar arrows