musescore/MuseScore
Feb 2025 – Nov 2025
3 Months active
Languages Used
C++ShellQML
Technical Skills
C++MIDI ExportMemory ManagementPerformance OptimizationScriptingFile parsing
Thomas Stibor
PROFILE
Thomas Stibor
Thomas Stibor contributed to the musescore/MuseScore repository by enhancing the reliability and usability of MIDI export, file parsing, and diagnostic profiling features. He refactored memory management in C++ by replacing raw pointer allocations with std::vector, improving memory safety and reducing crash risk during MIDI export. Thomas also optimized MIDI file parsing by ensuring proper buffer sizing and efficient memory allocation, which increased import robustness and performance. Additionally, he improved the Diagnostic Profile UI using C++ and QML, aligning and formatting data for clearer presentation and preventing empty rows, resulting in a more reliable and actionable diagnostics experience for developers.
Overall Statistics
Feature vs Bugs
40%Features
Repository Contributions
6Total
Bugs
3
Commits
6
Features
2
Lines of code
153
Activity Months3
Work History
November 2025
1 Commits • 1 Features
Nov 1, 2025November 2025 — MuseScore repository (musescore/MuseScore). Focused on enhancing the Diagnostic Profile UI to improve data clarity and reliability. Implemented alignment and formatting for diagnostic data in the Diagnostic Profile Window and resolved an issue with empty rows in the data display, resulting in a more polished user experience and more trustworthy diagnostics data. The work strengthens developer productivity by making diagnostics more readable and actionable, and reduces potential support overhead from unclear data.
1 Commits • 1 Features
Nov 1, 2025November 2025 — MuseScore repository (musescore/MuseScore). Focused on enhancing the Diagnostic Profile UI to improve data clarity and reliability. Implemented alignment and formatting for diagnostic data in the Diagnostic Profile Window and resolved an issue with empty rows in the data display, resulting in a more polished user experience and more trustworthy diagnostics data. The work strengthens developer productivity by making diagnostics more readable and actionable, and reduces potential support overhead from unclear data.
November 2025
March 2025
2 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for musescore/MuseScore: Focused on improving MIDI file parsing robustness and performance to enhance reliability and import efficiency. Delivered concrete fixes to data handling and memory allocations, reducing risk of crashes and improving runtime efficiency during MIDI import.
March 2025
2 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for musescore/MuseScore: Focused on improving MIDI file parsing robustness and performance to enhance reliability and import efficiency. Delivered concrete fixes to data handling and memory allocations, reducing risk of crashes and improving runtime efficiency during MIDI import.
February 2025
3 Commits
Feb 1, 2025February 2025 monthly summary for musescore/MuseScore focused on stability, robustness, and developer experience. Key features delivered include stability improvements in MIDI export, build tooling reliability, and data handling safety. Major bugs fixed include: MIDI Export Memory Safety (replacing raw allocations with std::vector and updating MidiEvent::setEData to accept a vector reference), Ninja Build Script help flag handling correction, and segmentation fault prevention in the data read path via safe vector resizing and move semantics. Overall impact: reduced crash risk for MIDI export, improved developer experience with accurate build help, and enhanced data processing reliability, delivering a more robust end-user experience. Technologies demonstrated: modern C++ (std::vector, move semantics), memory-safety refactoring, build tooling corrections, and a proactive approach to reliability and quality.
3 Commits
Feb 1, 2025February 2025 monthly summary for musescore/MuseScore focused on stability, robustness, and developer experience. Key features delivered include stability improvements in MIDI export, build tooling reliability, and data handling safety. Major bugs fixed include: MIDI Export Memory Safety (replacing raw allocations with std::vector and updating MidiEvent::setEData to accept a vector reference), Ninja Build Script help flag handling correction, and segmentation fault prevention in the data read path via safe vector resizing and move semantics. Overall impact: reduced crash risk for MIDI export, improved developer experience with accurate build help, and enhanced data processing reliability, delivering a more robust end-user experience. Technologies demonstrated: modern C++ (std::vector, move semantics), memory-safety refactoring, build tooling corrections, and a proactive approach to reliability and quality.
February 2025
Activity
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Quality Metrics
Correctness95.0%
Maintainability90.0%
Architecture86.8%
Performance88.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++QMLShell
Technical Skills
C++C++ ProgrammingFile parsingLow-level programmingMIDI ExportMemory ManagementPerformance OptimizationQMLScriptingSoftware DevelopmentUI Development
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