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Stephan Partzsch

PROFILE

Stephan Partzsch

Stephan Partzsch focused on improving map rendering consistency in the maplibre-native repository, addressing a key bug affecting CarPlay and multi-density displays. He implemented a scale factor utility to correct map view dimensions, ensuring accurate rendering across various screen densities. By synchronizing the Metal view’s drawable size with the view scale factor after attachment to the display hierarchy, Stephan resolved issues with mis-sized renders on multiple devices. His work leveraged Objective-C and Objective-C++ within the context of cross-platform and iOS development, resulting in more stable and visually consistent map experiences for end-users relying on CarPlay and macOS environments.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

2Total
Bugs
1
Commits
2
Features
0
Lines of code
72
Activity Months1

Work History

October 2025

2 Commits

Oct 1, 2025

Monthly summary for 2025-10 focusing on map rendering fixes in maplibre-native. Key features delivered and major bug fixes improved cross-device map rendering consistency and stability, with measurable business value for end-users relying on CarPlay and multi-density displays.

Activity

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Quality Metrics

Correctness85.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

Objective-CObjective-C++

Technical Skills

CarPlay DevelopmentCross-platform DevelopmentMetaliOS DevelopmentmacOS Development

Repositories Contributed To

1 repo

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

maplibre/maplibre-native

Oct 2025 Oct 2025
1 Month active

Languages Used

Objective-CObjective-C++

Technical Skills

CarPlay DevelopmentCross-platform DevelopmentMetaliOS DevelopmentmacOS Development