musescore/MuseScore
Oct 2024 – Apr 2026
9 Months active
Languages Used
C++QMLXMLCMake
Technical Skills
C++ developmentC++ programmingalgorithm designcommand line interface developmentmusic notation software developmentmusic software development
Pedro Acebes
PROFILE
Pedro Acebes
Pedro Antonio Acebes Bayón contributed to the musescore/MuseScore repository by developing and refining features that enhance music notation workflows and export fidelity. He implemented configurable grid sizes for keyboard nudging, grayscale export options for PDFs and PNGs, and advanced MusicXML and LRC lyric export capabilities. Using C++, Qt, and QML, Pedro addressed complex issues such as accurate ornament anchoring, SVG rendering correctness, and persistent user preferences. His work included targeted bug fixes and performance optimizations, improving reliability and efficiency for end users. Pedro’s engineering demonstrated depth in algorithm design, UI/UX integration, and robust handling of music notation data.
Overall Statistics
Feature vs Bugs
53%Features
Repository Contributions
22Total
Bugs
7
Commits
22
Features
8
Lines of code
33,843
Activity Months9
Work History
April 2026
1 Commits
Apr 1, 2026April 2026 – MuseScore (musescore/MuseScore): Focused on improving rendering fidelity and stability in the SVG export pipeline. The primary delivery this month was a bug fix addressing SVG rendering correctness, specifically ensuring negative dash pattern entries are converted to positive values to guarantee correct SVG output for the OttavaSegment. Impact: Reduced visual inconsistencies in SVG exports, improved reliability for published scores, and smoother cross-tool rendering workflows for users sharing scores externally. Outcomes: Strengthened code quality around vector rendering with regression checks and prepared the path for future rendering enhancements.
1 Commits
Apr 1, 2026April 2026 – MuseScore (musescore/MuseScore): Focused on improving rendering fidelity and stability in the SVG export pipeline. The primary delivery this month was a bug fix addressing SVG rendering correctness, specifically ensuring negative dash pattern entries are converted to positive values to guarantee correct SVG output for the OttavaSegment. Impact: Reduced visual inconsistencies in SVG exports, improved reliability for published scores, and smoother cross-tool rendering workflows for users sharing scores externally. Outcomes: Strengthened code quality around vector rendering with regression checks and prepared the path for future rendering enhancements.
April 2026
December 2025
1 Commits • 1 Features
Dec 1, 2025Month: 2025-12 — Focused on delivering business value through performance optimization in the core lyrics export workflow for MuseScore. Implemented a targeted performance enhancement in the Lyrics Export path by simplifying the lyrics collection loop and reducing redundant checks, resulting in faster exports with lower CPU usage.
December 2025
1 Commits • 1 Features
Dec 1, 2025Month: 2025-12 — Focused on delivering business value through performance optimization in the core lyrics export workflow for MuseScore. Implemented a targeted performance enhancement in the Lyrics Export path by simplifying the lyrics collection loop and reducing redundant checks, resulting in faster exports with lower CPU usage.
November 2025
7 Commits • 2 Features
Nov 1, 2025Concise monthly summary for 2025-11 highlighting key features delivered, major bug fixes, impact, and skills demonstrated for musescore/MuseScore. Focused on delivering business value and technical achievements with concrete outcomes.
7 Commits • 2 Features
Nov 1, 2025Concise monthly summary for 2025-11 highlighting key features delivered, major bug fixes, impact, and skills demonstrated for musescore/MuseScore. Focused on delivering business value and technical achievements with concrete outcomes.
November 2025
October 2025
7 Commits • 2 Features
Oct 1, 2025Month: 2025-10 — Performance highlights for MuseScore: delivered grayscale export for PDF/PNG with UI/config and write logic; expanded engraving capabilities with Jumps, Markers, and Voltas plus internal API clarity refactors; fixed key editing edge cases to improve reliability (repeat selection with rests) and data preservation across time signature changes. This work improved rendering fidelity, editing reliability, and overall user workflow efficiency.
October 2025
7 Commits • 2 Features
Oct 1, 2025Month: 2025-10 — Performance highlights for MuseScore: delivered grayscale export for PDF/PNG with UI/config and write logic; expanded engraving capabilities with Jumps, Markers, and Voltas plus internal API clarity refactors; fixed key editing edge cases to improve reliability (repeat selection with rests) and data preservation across time signature changes. This work improved rendering fidelity, editing reliability, and overall user workflow efficiency.
July 2025
1 Commits • 1 Features
Jul 1, 2025July 2025 – MuseScore: Delivered a configurable grid size for keyboard nudging with persistence for stored grid size values, improving note placement precision and editing accuracy. Implemented alignment of keyboard nudge increment with the snap-to-grid configuration (Fix #13438). This enhancement reduces misplacements and accelerates notation edits, contributing to a smoother user workflow and higher-quality scores. Commit: 43f9e1e069cc3d3e7e582df2d0f1a10b4a959b20. Overall impact: better editor precision, stronger user control, and improved alignment with user preferences. Technologies/skills demonstrated: C++/Qt, settings persistence, code review, UX integration, and collaborative development.
1 Commits • 1 Features
Jul 1, 2025July 2025 – MuseScore: Delivered a configurable grid size for keyboard nudging with persistence for stored grid size values, improving note placement precision and editing accuracy. Implemented alignment of keyboard nudge increment with the snap-to-grid configuration (Fix #13438). This enhancement reduces misplacements and accelerates notation edits, contributing to a smoother user workflow and higher-quality scores. Commit: 43f9e1e069cc3d3e7e582df2d0f1a10b4a959b20. Overall impact: better editor precision, stronger user control, and improved alignment with user preferences. Technologies/skills demonstrated: C++/Qt, settings persistence, code review, UX integration, and collaborative development.
July 2025
February 2025
1 Commits
Feb 1, 2025February 2025: Delivered a critical bug fix to MuseScore's MusicXML export fidelity, preserving end-of-measure annotations. The patch ensures end-bar items and dynamics/text annotations are retained during export, addressing a loss issue and improving interoperability with downstream tools.
February 2025
1 Commits
Feb 1, 2025February 2025: Delivered a critical bug fix to MuseScore's MusicXML export fidelity, preserving end-of-measure annotations. The patch ensures end-bar items and dynamics/text annotations are retained during export, addressing a loss issue and improving interoperability with downstream tools.
December 2024
1 Commits
Dec 1, 2024December 2024: Strengthened MuseScore's MusicXML export fidelity by fixing trill/wavy ornament anchoring to the correct voice. The fix refines the anchor resolution to locate the proper ChordRest, ensuring ornaments attach to the intended voice and eliminating the bug where lines started from the second voice. This improves export accuracy, interoperability with downstream tools, and user confidence in published scores. Key work demonstrates expertise in the export pipeline, voice handling, and incremental, commit-driven delivery. Commit reference: e7f0594d1b0caa0ce93fa9e417390a07e312d47d (Fix #23977).
1 Commits
Dec 1, 2024December 2024: Strengthened MuseScore's MusicXML export fidelity by fixing trill/wavy ornament anchoring to the correct voice. The fix refines the anchor resolution to locate the proper ChordRest, ensuring ornaments attach to the intended voice and eliminating the bug where lines started from the second voice. This improves export accuracy, interoperability with downstream tools, and user confidence in published scores. Key work demonstrates expertise in the export pipeline, voice handling, and incremental, commit-driven delivery. Commit reference: e7f0594d1b0caa0ce93fa9e417390a07e312d47d (Fix #23977).
December 2024
November 2024
1 Commits • 1 Features
Nov 1, 2024Delivered a new Playback Hearing Toggle feature for MuseScore editing workflow. Implemented a user-facing option to toggle audio playback during editing, with a dedicated keyboard shortcut and integration with the playback controller. Added configuration options to persist user preference and prepared groundwork for deeper playback-editing customization. This work reduces context switching and streamlines the editing process, aligning with the initiative to improve real-time feedback during composition.
November 2024
1 Commits • 1 Features
Nov 1, 2024Delivered a new Playback Hearing Toggle feature for MuseScore editing workflow. Implemented a user-facing option to toggle audio playback during editing, with a dedicated keyboard shortcut and integration with the playback controller. Added configuration options to persist user preference and prepared groundwork for deeper playback-editing customization. This work reduces context switching and streamlines the editing process, aligning with the initiative to improve real-time feedback during composition.
October 2024
2 Commits • 1 Features
Oct 1, 2024Concise monthly summary for 2024-10 highlighting key features delivered, major bugs fixed, overall impact, and technologies demonstrated for musescore/MuseScore. Focused on business value and tangible technical achievements.
2 Commits • 1 Features
Oct 1, 2024Concise monthly summary for 2024-10 highlighting key features delivered, major bugs fixed, overall impact, and technologies demonstrated for musescore/MuseScore. Focused on business value and tangible technical achievements.
October 2024
Activity
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Quality Metrics
Correctness92.4%
Maintainability85.4%
Architecture84.6%
Performance84.2%
AI Usage21.8%
Skills & Technologies
Programming Languages
C++CMakeQMLXML
Technical Skills
Bug FixingC++C++ developmentC++ programmingCMakeCode RefactoringEngraving SystemsFeature ImplementationFile ExportImage ProcessingMusic NotationMusic Notation SoftwareMusicXML ExportPDF ExportQML
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