SuperDimmer

February 18, 2026

New Features

• Multi-Instance HUD Support — Create multiple Super Spaces HUDs with independent settings, positions, and display modes
• Per-HUD Display Modes — Each HUD can have its own display mode with full persistence across restarts
• Per-HUD Float on Top — Independent float-on-top settings for each HUD instance
• Space-Aware Auto-Hide — Auto-hide timers now only count time spent on the current Space, not across all Spaces
• UUID-Based Space Tracking — Spaces are now tracked by UUID instead of index, surviving reorder operations
• Settings UI Redesign — Renamed tabs and new 3-mode dimming selector for clearer configuration

Bug Fixes

• Critical: Infinite Loop Crash — Fixed rainbow spinning cursor crash caused by recursive loop
• Zone Level Dimming — Fixed freeze on startup and EXC_BAD_ACCESS crash when switching to Zone Level mode
• Overlay Flickering — Resolved flickering in AutoHideManager with improved hang detector
• Pause Dimming Logic — Fixed cancelDisable integration gaps and timer drift issues
• Extended Idle Reset — Auto-hide timers now properly reset after extended idle periods
• HUD Duplication — Duplicated HUDs now correctly appear at offset positions
• Per-HUD Persistence — Fixed position and size persistence for each HUD on app restart

Improvements

• Light Mode Defaults — Light Mode default dimming levels set to zero for better out-of-box experience
• Memory Optimization — Added autoreleasepool to screen capture operations for reduced memory usage
• Space Reorder Detection — Automatic detection when macOS Spaces are reordered, maintaining correct mappings
• Removed height limit from PreferencesView for better scrolling experience
• Comprehensive crash-proofing for Zone Level dimming mode