Emulator version upgrade: Emulator updated with new versioning scheme (v2.0 is the latest release).

Startup fix: Resolved issue where the emulator window briefly flashed when starting up.

Shutdown fix: Improved shutdown logic to ensure graceful termination works reliably.

Disk drive LED: Activity LED now blinks correctly and reflects actual drive activity state.

Keyboard input: Performance improvements in keyboard input handling.

Other changes: Various minor fixes and adjustments.