- Corrected song/chart synchronization to use the raw audio playback clock consistently. - Applied only the player’s calibration offset to gameplay timing. - Removed hardware-output latency calculations that were shifting chart timing. - Improved pause, resume, and playback-segment timing. - Updated gameplay, EMS, menus and timers to use the appropriate shared audio clock. - Hardened handling of premature audio-completion callbacks. - Fixed “Disable Chart Background” so lane backgrounds are completely hidden. - Preserved notes, judgement line, and input buttons when chart backgrounds are disabled. - Prevented “Disable Chart Background” from disabling unrelated EMS effects. - Restored EMS background rendering on the Main Menu. - Removed distracting horizontal grid lines across the chart highway. - Removed slow horizontal distortion and shifting from gameplay lanes. - Kept EMS background distortion available while ensuring lanes and notes remain spatially stable. - Improved lane boundary handling for touch input. - Improved responsive gameplay HUD sizing for different orientations. - Replaced the text-based “Harmonic Drive” heading with the proper logo. - Improved jacket artwork resolution and normalized jacket asset lookup. - Added scrolling to the difficulty-selection panel on smaller screens.

- Improved the gameplay HUD in portrait mode by reducing the score panel size and removing the oversized song-information panel. - Reduced both gameplay information panels by 40% in landscape mode. - Fixed long song titles and mode names overflowing off-screen; text now wraps and the information panel expands automatically. - Fixed the difficulty-selection list being impossible to scroll in landscape mode. - Improved touch recognition when using narrower lane-width settings, reducing missed inputs near the outer edges of the playfield. - Improved layout behavior when switching between portrait and landscape orientations.

Songs and track selection The library expands from 53 to 56 songs. Five songs were added: “If You Never Come Back” “Nothing Left To Save v1” “Say You Didnt Mean It v1” “Where We Used To Dance” "I Can't Pretend I'm Fine" “Can Love” was removed. All 56 songs are now standard included tracks. The 16 formerly premium songs no longer require individual purchases. Every song now has jacket artwork. A new responsive song carousel shows artwork, artist, BPM, section, best score, difficulty rating, and availability. Swipe, mouse-wheel, keyboard, and controller carousel navigation. Automatic song previews and last-selected-song memory. Improved centered search interface. Direct Loadouts access from track selection. Gameplay and game modes Game modes now match the Godot version:Classic — authored charts, available at Level 1. Lane Shuffle — seeded lane remapping while preserving note timing, available at Level 4. Remix Difficulty — dynamically adds notes, holds, and chords based on difficulty, available at Level 7. Classic is now the default mode. Deterministic chart generation and runtime hashes keep generated charts consistent in multiplayer. Dynamic lane-count support, including six-lane Classic charts for “Where We Used To Dance.” Improved multitouch tracking for simultaneous notes and held-note releases. Full controller gameplay support. New Classic and Modern note-speed systems. Progression and EMS loadouts Standard songs are immediately playable instead of being locked behind sections. Progression sections now unlock EMS loadouts rather than songs. Clear two songs in the active section to advance toward the next EMS loadout. Newly added songs automatically inherit existing section progress. The content system now loads directly from bundled manifests, reducing stale or missing-song problems. Fixed unlocked EMS loadouts incorrectly reporting “Item not owned.” Results now identify newly unlocked EMS loadouts by name. New results dashboard Completely redesigned adaptive results screen. Displays jacket artwork, rank, score, accuracy, maximum combo, and full judgement breakdown. New achievement names:Overdrive Sync (AP) for an all-perfect run. Drive Chain (FC) for a full combo. Animated XP progress with Vibez, level gains, and unlock details. Direct Replay, Leaderboard, Song Select, Rematch, and Menu actions. Improved live multiplayer opponent, outcome, and synchronization status. Expanded Options menu A new full-screen Options menu contains Gameplay, Audio, Effects, Graphics & Display, Keyboard & Controller, and Advanced sections. Highlights include: Separate menu and gameplay volume controls. Classic/Modern note-speed selection. Lane width and note approach-time controls. FPS limit, VSync, window mode, and resolution settings. Lane brightness, note opacity, note layering, hit effects, and judgement display settings. EMS colors, backgrounds, custom gutter images, intensity, and hit-effect controls. Individual shader, bloom, distortion, particle, and background-animation toggles. Automatic and manual calibration. Drive Meter themes and reduced-flashing accessibility controls. Remappable 4K–8K keyboard layouts on macOS. Remappable controller bindings for gameplay and menu navigation. Unified recommended defaults, including Classic note speed and 40% lane width. Visual, audio, and interface improvements EMS visuals react more clearly to chart events, successful hits, misses, beats, and combo energy. Backgrounds, ribbons, particles, and gutter lighting receive improved reactive motion. Misses no longer trigger positive pressure-hit effects. Drive Meter color themes, accessibility behavior, feedback, and balance were refined. Improved responsive layouts across phones, tablets, and desktop windows. Added a confirmed Quit Game action on iOS and macOS.

Full Progression system for single-player. Added a Health/Fail system to single-player. Loadout system to apply themes, speed modifiers and gameplay modifiers. Made multiple improvements to charts. Support for cross-platform multiplayer. Improved performance of gameplay.

Fixed textual display issues. Fixed scrolling on Leaderboards menu. Added missing Artist names to tracks that where missing the artist information.