- v2026091302 Patch Notes - Bug Fixes & Improvements - 13 September 2026
vSTB2026091302 Patch NotesScoreboard Scene: Fixed an issue where the skill test mode result graph sometimes did not show previous history dots.Song Select Scene: Song No. 67 "First Snow" has been updated with modified chart data to enhance overall quality and ensure compositional integrity.Song Select Scene: Currently at 80 tracks (5 new tracks added), pushing towards our goal of 100.Thank you for enjoying the sound of piano!
- v2026082701 Patch Notes - Bug Fixes & Improvements - 26 August 2026
vSTB2026082701 & vDEMO2026082701 Patch NotesGame Scene: Fixed offset display issue. The offset in the Game Scene was previously displayed divided by 5 compared to the Song Select Scene, it now displays consistently across both scenes.Game Scene: Reversed the offset +/- direction. A negative value (-50) now means you need to hit early, and a positive value (+50) means late. (If you had set it to +50 in the previous version, it will now display as -50.)Game Scene: Added individual volume controls for Beat sound, Key sound, Result screen, and Master volume.Game Scene: Added hit flashes to Demo Play. (You can disable hit flashes in the settings for optimization.)Scoreboard Scene: Hovering your mouse over a hit dot now displays the exact timing offset in milliseconds (ms Early/Late).Others: Minor bug fixes.vSTB2026082701 Patch NotesSong Select Scene: MIDI Track Selector. When adding a MIDI f…
- v2026081701 Patch Notes - 17 August 2026
vSTB2026081701 Patch NotesSong Select Scene: Currently at 75 tracks (5 new tracks added), pushing towards our goal of 100. Thanks!Thank you for enjoying the sound of piano!
- v2026072801 Patch Notes - 28 July 2026
vSTB2026072801 Patch NotesBug Fix: Fixed an issue where launching the game directly from the app folder would close the game instead of launching.Song Select Scene: The Nostalgia genre has been merged into Light.Thank you for enjoying the sound of piano!
- v2026070901 Regular Update - MIDI Converter - 9 July 2026
vSTB2026070901 Regular UpdateWe are absolutely thrilled to introduce our brand-new feature: the MIDI Converter! You can now add MIDI files that you own the rights to, generate custom charts, and enjoy endless gameplay. Please note that this is a strictly legacy-style auto-generation feature that operates based on simple, randomized node-dispersion rules rather than advanced ergonomic chart-optimization algorithms. However, this update also introduces the 6-Key Editor. You can now customize and save your favorite music in any chart style that suits you best!You can now instantly drag and drop your own original MIDI files or public domain MIDIs (such as classical music) to start playing right away at Custom Songs tab, which is next to SKF Mode tab.Notice: Players are strictly required to use only legally owned or authorized MIDI files. We do not condone or assume responsibility for the un…
- v2026070401 Patch Notes - 4 July 2026
vSTB2026070401 Patch NotesSong Select Scene: Currently at 60 tracks, pushing towards our goal of 100. Thanks!Thank you for enjoying the sound of piano!
- v2026070301 Patch Notes - Bug Fixes & Improvements - 3 July 2026
vSTB2026070301 & vDEMO2026070301 Patch NotesGame Scene: Lane Gaps (Gear Margin) - You can now completely close/remove the gaps between the lanes in the settings.Game Scene: Opacity (Gear Opacity) - Added it so changing the opacity now only dims the background lanes, keeping the notes fully visible and crisp.vSTB2026070301 Patch NotesSong Select Scene: Two new tracks added.Thank you for enjoying the sound of piano!
- The Sound of Piano Released! - 1 July 2026
The Sound of Piano is released!Available now.We are excited to launch the game with 55 tracks today, and we aim to reach a total of 100 tracks through continuous updates.Thank you for playing and enjoying The Sound of Piano!
- v2026062801 Patch Notes - Bug Fixes & Improvements - 28 June 2026
vCB2026062801 & vDEMO2026062801 Patch NotesProfile Scene, Song Select Scene, Game Scene: Fixed an issue where the free rating displayed incorrectly (To apply this fix, you need to achieve a score that increases your overall free rating. That will refresh the record.)Song Select Scene: Locked songs are now partially visible.Core: Cloud sync is now automated.Thank you for enjoying the sound of piano!
- v2026061901 Patch Notes - Bug Fixes & Improvements - 18 June 2026
vCB2026061901 & vDEMO2026061901 Patch NotesSong Select Scene, Game Scene, Scoreboard Scene: Fixed an issue where XS records were incorrectly saved as SS. XS records will now properly register when achieving a Perfect(within ±15ms) clear on a track. Existing incorrect SS records will be updated to XS and reflected on the scoreboard upon viewing the replay. (If you have any prior clean perfect records, please view your replay to apply the update. Thank you!)Dev Note: Seriously, it took our team 3 hours just to test this 15ms window, even though we picked the absolute easiest song on 2-Key SKF.Thank you for enjoying the sound of piano!
- v2026061701 Patch Notes - Bug Fixes & Improvements - 17 June 2026
vCB2026061701 & vDEMO2026061701 Patch NotesTitle Scene, Game Scene: In Paranoid Mode, when evaluation is still in progress, negative numbers will no longer be displayed. Instead, the text "eval" will now be shown.Title Scene, Game Scene: Feedback update - Note width, note height, corner roundness, hit flash, gear width, and gear height can now be adjusted individually. The previous “Gear Zoom Set” setting will be ignored.vCB2026061701 Patch NotesSong Select Scene: Closed Beta - All tracks are now ready.Thank you for enjoying the sound of piano!
- v2026061101 Patch Notes - Bug Fixes & Improvements - 10 June 2026
vCB2026061101 & vDEMO2026061101 Patch NotesGame Scene: Fixed a bug where the game would freeze if the F1 help menu was opened immediately after a song finished.Game Scene: The _SKF charts have been adjusted to focus on a single key, ensuring the intended gameplay experience. Existing charts have been updated accordingly.Title Scene: Fixed an issue where changing the language did not apply in real time while Paranoid mode was enabled.Title Scene: To prevent audio from clumping and playing simultaneously when the credits are clicked after a lag, temporarily mute sound when clicking Credit information.Core: Language settings are now managed separately as CSV files in the lang folder. (Loaded at game startup.)Manual: PDF manual updated with new screenshots.vCB2026061101 Patch NotesSong Select Scene: Closed Beta - Tracks will be added sequentially.There are more known issues that will be pat…
- v2026060701 Patch Notes - Bug Fixes & Improvements - 7 June 2026
vCB2026060701 & vDEMO2026060701 Patch NotesScoreboard Scene: Fixed an issue where the _EZ segment was not correctly converted to _SKF on the result screen.Game Scene: Implemented a "Sample Reliability" formula for all patterns to fix inconsistent long note rating calculations.Game Scene: Adjusted the calculation method to fix an issue where scores fluctuated incorrectly during a Perfect play in Paranoid mode.Song Select Scene: Added a sound effect when adjusting the scroll speed, matching the offset adjustment behavior.Game Scene: Fixed an issue where a PERFECT judgment was incorrectly triggered at the end of a long note if released immediately after pressing.vCB2026060701 Patch NotesSong Select Scene: Closed Beta - Tracks will be added sequentially.There are more known issues that will be patched gradually.Thank you for enjoying the sound of piano!
- v2026060102 Patch Notes - Bug Fixes & Improvements - 1 June 2026
vCB2026060102 & vDEMO2026060102 Patch NotesGame Scene: Free rating will show 1/4 from now on instead of raw rating.Game Scene: Overlapped long note rating scoring issue solved.Game Scene: Long notes will no longer calculate rating based on time.Song Select Scene: The top right side will show the key for the ratings to prevent user confusion.Song Select Scene: Fixed an issue where newly unlocked songs were not immediately visible after changing the sorting criteria.Skill Test Scene: The difficulty progression bar will now show percentages instead of the number 0.00.vCB2026060102 Patch NotesSong Select Scene: Closed Beta - Tracks will be added sequentially. Since some patterns have not been organized yet and may be impossible for humans to clear, please refrain from playing the Skill Test if you want a smooth gameplay experience.There are more known issues that will be patched gradually.T…
- The Sound of Piano Demo Released! - 29 May 2026
The Sound of Piano Demo is released!Available now.Thank you for enjoying the sound of piano!
- vALPHA2026052002 Patch Notes - Bug Fixes & Improvements - 20 May 2026
vALPHA2026052002 Patch NotesGame Scene: Staff mode added (Settings)Game Scene: Paranoid mode added - essentially a debug mode (Settings)Song Select Scene: SKF difficulty added for Tracks 1 to 10Alpha testers, please refer to the information above for your playtest. Bug reports are always welcome. Thank you for enjoying the sound of piano!
- vALPHA2026051501 Patch Notes - Bug Fixes & Improvements - 15 May 2026
vALPHA2026051501 Patch NotesSkill Test Scene: Added Difficulty Progression bar. Players can now manually adjust the progression scale to start from lower difficulties.Song Select & Skill Test Scene: Removed "One-Handed Bias" from radar and rating (redundant due to Left/Right hand tracking).Game Scene: Added "Dance Party" toggle (Setting).Game Scene: Added new "Synth" sound set (Sound set).Game Scene: Restored missing "Strings" sound samples (Sound set).Alpha testers, please refer to the information above for your playtest. Bug reports are always welcome. Thank you for enjoying the sound of piano!
- vALPHA2026051001 Patch Notes - Bug Fixes & Improvements - 10 May 2026
vALPHA2026051001 Patch NotesCore: Disabled log output.Core: Cache files (including skill tests) are now pre-exported and bundled with the .dat file. This significantly reduces loading times on older laptops.Core: Steam Cloud is now functioning correctly.Alpha testers, please refer to the information above for your playtest. Bug reports are always welcome. Thank you for enjoying the sound of piano!
- vALPHA2026050501 Patch Notes - Bug Fixes & Improvements - 6 May 2026
vALPHA2026050501 Patch NotesTrack: The Fifth Season added.Song Select Scene: Removed "Composed Date" and added "Duration" display for each track.Title Scene: Background "PERFECT" changes are now applied in real-time (Setting).Game Scene: Free Rating enhancement.Game Scene: Adjusted Long Note release timing (judged successfully even if released 0.06s early).Game Scene: Fixed overlapping Long Notes combo logic, now only the longest note increments the combo at the end.Alpha testers, please refer to the information above for your playtest. Bug reports are always welcome. Thank you for enjoying the sound of piano!
- vALPHA2026050301 Patch Notes - Bug Fixes & Improvements - 3 May 2026
vALPHA2026050301 Patch NotesSong Select Scene: Enhanced the accuracy of Song Lv.Song Select Scene: Fixed navigation lock when pressing Tab on empty Leaderboards.Profile Scene: Profile now auto displays your last played Key Mode rating first.Title Scene: Title demo play now plays ORIGINAL difficulty only.Title Scene: New HELP button (PDF) added to the Title screen.Game Scene: Added "Status BG Opacity" setting (Setting).Title Scene: Improved keyboard focus and navigation in Setting menu (Setting).Loading Scene: Chart loading moved to the Logo screen with a progress counter.Alpha testers, please refer to the information above for your playtest. Bug reports are always welcome. Thank you for enjoying the sound of piano!
