ppy/osu
Jan 2025 – Sep 2025
5 Months active
Languages Used
C#
Technical Skills
Beatmap EditingCode DocumentationGame DevelopmentUI DevelopmentUnit TestingEnum Handling
Marvin Schürz
PROFILE
Marvin Schürz
Over five months, Michael Schuerz contributed to the ppy/osu repository by developing editor and UI features that improved user experience and maintainability. He enhanced beatmap editing workflows by implementing beat-snapped clipboard pasting and refined BPM display logic using C# and BindableDouble for greater timing accuracy. Michael introduced animated UI elements, such as vote-count transitions and a heart icon, centralizing color management with OverlayColourProvider for consistent theming. He strengthened test reliability by refactoring hit result propagation for nested objects and addressing null-safety in editor components. His work demonstrated depth in frontend development, object-oriented programming, and robust unit testing practices.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
16Total
Bugs
3
Commits
16
Features
6
Lines of code
399
Activity Months5
Your Network
105 people
Work History
September 2025
6 Commits • 1 Features
Sep 1, 2025In September 2025, the ppy/osu editor work focused on strengthening test reliability and improving complex hit-object handling. A key feature was the Recursive Editor Hit Result Update for Nested Drawables, enabling accurate hit-result propagation through deeply nested objects and improving test coverage for complex hit object structures. Several stability fixes addressed test flakiness and runtime errors, notably around the Load/Update lifecycle and null-safety during tests. The combined work reduces release risk, accelerates development velocity, and enhances editor robustness for advanced object configurations.
6 Commits • 1 Features
Sep 1, 2025In September 2025, the ppy/osu editor work focused on strengthening test reliability and improving complex hit-object handling. A key feature was the Recursive Editor Hit Result Update for Nested Drawables, enabling accurate hit-result propagation through deeply nested objects and improving test coverage for complex hit object structures. Several stability fixes addressed test flakiness and runtime errors, notably around the Load/Update lifecycle and null-safety during tests. The combined work reduces release risk, accelerates development velocity, and enhances editor robustness for advanced object configurations.
September 2025
July 2025
2 Commits • 1 Features
Jul 1, 2025July 2025: Delivered Beatmap UI Visual Enhancements for osu! (ppy/osu). Centralized color management for BeatDivisorControl icons using OverlayColourProvider to ensure consistent icon and hover colors, and introduced an animated HeartIcon for the favorite action. No major bugs fixed this month; focus was on UI polish, visual consistency, and maintainability to accelerate future work. These changes provide a smoother user experience and easier theming across beatmap interactions.
July 2025
2 Commits • 1 Features
Jul 1, 2025July 2025: Delivered Beatmap UI Visual Enhancements for osu! (ppy/osu). Centralized color management for BeatDivisorControl icons using OverlayColourProvider to ensure consistent icon and hover colors, and introduced an animated HeartIcon for the favorite action. No major bugs fixed this month; focus was on UI polish, visual consistency, and maintainability to accelerate future work. These changes provide a smoother user experience and easier theming across beatmap interactions.
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for ppy/osu: Delivered a key UX enhancement by adding a vote-count animation in UserTagControl and introducing a VoteCountText composite drawable to manage text transitions, providing smoother visual feedback for vote-count changes. This aligns with product goals to increase polish and perceived responsiveness. No major bugs identified; feature-focused delivery with minimal regressions.
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for ppy/osu: Delivered a key UX enhancement by adding a vote-count animation in UserTagControl and introducing a VoteCountText composite drawable to manage text transitions, providing smoother visual feedback for vote-count changes. This aligns with product goals to increase polish and perceived responsiveness. No major bugs identified; feature-focused delivery with minimal regressions.
April 2025
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for ppy/osu. Focused on stability and maintainability improvements around key bindings by introducing a mandatory safety comment to the GlobalAction enum end-placement. This guidance prevents numeric binding drift and reduces runtime misbinding issues, contributing to a smoother user experience and lower maintenance costs.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for ppy/osu. Focused on stability and maintainability improvements around key bindings by introducing a mandatory safety comment to the GlobalAction enum end-placement. This guidance prevents numeric binding drift and reduces runtime misbinding issues, contributing to a smoother user experience and lower maintenance costs.
January 2025
6 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for ppy/osu: Delivered two user-facing editor enhancements with targeted UX and accuracy improvements, plus strengthened test coverage and maintainability. Key features and outcomes included: Metronome BPM Display Enhancement improved precision and formatting; Clipboard Beat Snapping in Editor enabled beat-grid-aligned pasting and updated tests with a new test scene. Impact: improved in-game timing accuracy for players, more reliable editor workflows, and a foundation for future refinements. Technologies/skills demonstrated: BindableDouble usage, beatSnapProvider integration, test scaffolding and scene-based verification, and clear code comments.
6 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for ppy/osu: Delivered two user-facing editor enhancements with targeted UX and accuracy improvements, plus strengthened test coverage and maintainability. Key features and outcomes included: Metronome BPM Display Enhancement improved precision and formatting; Clipboard Beat Snapping in Editor enabled beat-grid-aligned pasting and updated tests with a new test scene. Impact: improved in-game timing accuracy for players, more reliable editor workflows, and a foundation for future refinements. Technologies/skills demonstrated: BindableDouble usage, beatSnapProvider integration, test scaffolding and scene-based verification, and clear code comments.
January 2025
Activity
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Quality Metrics
Correctness91.2%
Maintainability91.2%
Architecture85.0%
Performance85.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C#
Technical Skills
AnimationBeatmap EditingBeatmap EditorCode DocumentationEditor DevelopmentEnum HandlingFrontend DevelopmentGame DevelopmentObject-Oriented ProgrammingRefactoringUI DevelopmentUnit Testing
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