EXCEEDS logo
Exceeds
Mattia Zirpoli

PROFILE

Mattia Zirpoli

Over a three-month period, contributed to godotengine/godot and Redot-Engine/redot-engine by delivering features and fixes focused on editor robustness, XR responsiveness, and parser reliability. Developed the OpenXR play area change signal to improve runtime adaptability and enhanced error visibility for debugging. Addressed memory management and UI scaling issues in the editor, ensuring consistent cross-platform behavior. Improved the GDScript parser by refining null node handling in loop conditions, preventing crashes and increasing reliability. Work demonstrated strong C++ programming, GUI development, and debugging skills, with a focus on stability, user experience, and maintainable code across complex game engine systems.

Overall Statistics

Feature vs Bugs

22%Features

Repository Contributions

9Total
Bugs
7
Commits
9
Features
2
Lines of code
89
Activity Months3

Your Network

483 people

Work History

January 2026

1 Commits

Jan 1, 2026

Month: 2026-01 Summary: Delivered a critical improvement to the GDScript parser by addressing robustness issues with null nodes in for/while loop conditions. The fix ensures proper evaluation by replacing resolve_node with reduce_expression, preventing crashes when loop conditions are missing and improving overall parser reliability. Reference commit: 372c522ce1b4ce857384d8f41e10038ac0ce6e5a; repository: godotengine/godot.

December 2025

5 Commits • 1 Features

Dec 1, 2025

December 2025 monthly summary: Delivered critical editor improvements and stability fixes across Godot and Redot-Engine. Key features include resource tooltip enhancement with class names and display-scaling aware node spawning for Visual Shader Editor. Addressed signal ordering in file dialog, and memory-safe ColorPalette handling in save dialogs. These changes improve reliability, UX clarity, and cross-platform consistency, reducing memory leaks and placement errors for editor workflows, and demonstrate strong C++/editor tooling skills and cross-repo collaboration.

November 2025

3 Commits • 1 Features

Nov 1, 2025

November 2025 (godotengine/godot): Delivered key OpenXR and editor improvements that enhance runtime responsiveness, user debugging experience, and editor robustness. Key features delivered include the new OpenXR play_area_changed signal to dynamically respond to reference space changes, improving handling of different play area modes. Major bugs fixed include enabling user-visible error messages during debugging and adding robust validation to editor class instantiation checks. Overall impact: smoother cross-platform XR experiences, reduced debugging friction, and more reliable editor behavior, contributing to stability and faster issue resolution. Technologies/skills demonstrated: OpenXR integration and signal-based event handling, user-focused error visibility, and robust editor management through existence/global checks and instantiation validation.

Activity

Loading activity data...

Quality Metrics

Correctness100.0%
Maintainability91.0%
Architecture91.0%
Performance91.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++

Technical Skills

C++C++ developmentC++ programmingGUI developmentOpenXRdebuggingeditor developmenterror handlinggame developmentgame engine developmentgraphics programmingmemory managementparser developmentsoftware engineering

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

godotengine/godot

Nov 2025 Jan 2026
3 Months active

Languages Used

C++

Technical Skills

C++C++ developmentOpenXRdebugginggame developmentsoftware engineering

Redot-Engine/redot-engine

Dec 2025 Dec 2025
1 Month active

Languages Used

C++

Technical Skills

C++game developmentgraphics programming