eclipse-sumo/sumo
Jan 2025 – Feb 2026
9 Months active
Languages Used
BashCMakeGroovyJenkinsfilePythonShellJSONC++
Technical Skills
Build AutomationBuild ProcessBuild ScriptingBuild SystemBuild System ConfigurationCI/CD
Robert Hilbrich
PROFILE
Robert Hilbrich
Robert Hilbrich contributed to the eclipse-sumo/sumo repository by engineering robust build automation, CI/CD pipelines, and installer systems, with a focus on macOS and cross-platform reliability. He streamlined packaging and distribution workflows, automated signing and notarization, and enhanced artifact delivery using Python, Shell scripting, and Jenkins. Robert improved build performance and stability by optimizing Maven and Docker processes, refining dependency management, and simplifying installer logic. His work included enriching GeoJSON export features and advancing simulation model configurations. Through careful scripting and configuration management, Robert reduced maintenance overhead, improved release reliability, and enabled faster, more consistent deployments for the SUMO project.
Overall Statistics
Feature vs Bugs
72%Features
Repository Contributions
68Total
Bugs
7
Commits
68
Features
18
Lines of code
2,336
Activity Months9
Your Network
76 peopleSame Organization
@dlr.de36
Shared Repositories
40
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Abdullah Bin Omer ZiaMember
aminissnMember
Angelo BanseMember
Arif BudimanMember
Ettore AtalanMember
Benjamin CouéraudMember
Seongjin ChoiMember
chengyutangMember
Work History
February 2026
4 Commits • 2 Features
Feb 1, 2026February 2026 monthly summary for eclipse-sumo/sumo focusing on CI/CD reliability and build capabilities improvements. Key features delivered: (1) CI/CD and Docker Image Management Improvements — updated Jenkins build image, switched to a centralized dependency install script, aligned Docker image references to ghcr.io/eclipse, and removed unnecessary JuPedSim build steps. (2) Parquet support in Ubuntu builds — added required libraries and dependencies to enable efficient columnar data processing. No major bug fixes were reported this month; efforts concentrated on feature work and build maintenance. Overall impact: streamlined release processes, standardized container imagery, and expanded data-processing capabilities, leading to faster, more reliable deployments and improved analytics readiness for downstream consumers. Technologies/skills demonstrated: Jenkins CI/CD, Docker and ghcr.io image hosting, scripting for dependency installation, Ubuntu build customization, and Apache Parquet integration.
4 Commits • 2 Features
Feb 1, 2026February 2026 monthly summary for eclipse-sumo/sumo focusing on CI/CD reliability and build capabilities improvements. Key features delivered: (1) CI/CD and Docker Image Management Improvements — updated Jenkins build image, switched to a centralized dependency install script, aligned Docker image references to ghcr.io/eclipse, and removed unnecessary JuPedSim build steps. (2) Parquet support in Ubuntu builds — added required libraries and dependencies to enable efficient columnar data processing. No major bug fixes were reported this month; efforts concentrated on feature work and build maintenance. Overall impact: streamlined release processes, standardized container imagery, and expanded data-processing capabilities, leading to faster, more reliable deployments and improved analytics readiness for downstream consumers. Technologies/skills demonstrated: Jenkins CI/CD, Docker and ghcr.io image hosting, scripting for dependency installation, Ubuntu build customization, and Apache Parquet integration.
February 2026
December 2025
2 Commits • 1 Features
Dec 1, 2025Month: 2025-12 - Summary: Key CI stability work on eclipse-sumo/sumo. Implemented CI build stability improvements by tuning clone depth and build commands to prevent OOM errors and by aligning the SUMO clone to the main branch, yielding more reliable pipelines and faster feedback across Eclipse/JuPedSim and SUMO. Commits: 5303caaeaf3d2877f0b386f8f4b7b174584c59a4; 2a6c33086e85d2a086569125b8254b4f0b9eb214. This work reduces flaky builds and accelerates validation of changes prior to release.
December 2025
2 Commits • 1 Features
Dec 1, 2025Month: 2025-12 - Summary: Key CI stability work on eclipse-sumo/sumo. Implemented CI build stability improvements by tuning clone depth and build commands to prevent OOM errors and by aligning the SUMO clone to the main branch, yielding more reliable pipelines and faster feedback across Eclipse/JuPedSim and SUMO. Commits: 5303caaeaf3d2877f0b386f8f4b7b174584c59a4; 2a6c33086e85d2a086569125b8254b4f0b9eb214. This work reduces flaky builds and accelerates validation of changes prior to release.
October 2025
3 Commits • 1 Features
Oct 1, 2025For October 2025, the Eclipse SUMO project eclipse-sumo/sumo advanced bicycle traffic modeling capabilities through targeted configuration improvements and rigorous naming corrections. The work focused on integrating and validating bicycle-specific configurations to support more realistic simulations and safer infrastructure planning.
3 Commits • 1 Features
Oct 1, 2025For October 2025, the Eclipse SUMO project eclipse-sumo/sumo advanced bicycle traffic modeling capabilities through targeted configuration improvements and rigorous naming corrections. The work focused on integrating and validating bicycle-specific configurations to support more realistic simulations and safer infrastructure planning.
October 2025
August 2025
1 Commits • 1 Features
Aug 1, 2025Aug 2025 monthly summary: Implemented GeoJSON Export Enhancements to enrich edge and lane data, adding fromNode/toNode for edges and outgoingLanes/directions for lanes to the GeoJSON output. This provides richer road network context for downstream routing, analytics, and visualization, improving data quality and decision support. Change committed as ccfdbd8ae3b39707eb60e3b7d6359268e3e6c046 with message 'adding additional properties to geojson, #16774'. No major bugs fixed this month; ongoing work to further stabilize and document the changes.
August 2025
1 Commits • 1 Features
Aug 1, 2025Aug 2025 monthly summary: Implemented GeoJSON Export Enhancements to enrich edge and lane data, adding fromNode/toNode for edges and outgoingLanes/directions for lanes to the GeoJSON output. This provides richer road network context for downstream routing, analytics, and visualization, improving data quality and decision support. Change committed as ccfdbd8ae3b39707eb60e3b7d6359268e3e6c046 with message 'adding additional properties to geojson, #16774'. No major bugs fixed this month; ongoing work to further stabilize and document the changes.
June 2025
1 Commits
Jun 1, 2025June 2025: Stabilized the build pipeline for eclipse-sumo/sumo by delivering a critical fix to Python interpreter detection. This included simplifying CMakeLists logic and removing the SKBUILD-dependent condition to reliably locate the correct interpreter, reducing build failures and improving cross-environment consistency. No user-facing features shipped this month; the primary value came from improving developer productivity and CI reliability. The change is tracked in commit 00b0e8700fd1b9d78180ba1b77564c7292c10547 (fixing python version determination, refs #3 #15945).
1 Commits
Jun 1, 2025June 2025: Stabilized the build pipeline for eclipse-sumo/sumo by delivering a critical fix to Python interpreter detection. This included simplifying CMakeLists logic and removing the SKBUILD-dependent condition to reliably locate the correct interpreter, reducing build failures and improving cross-environment consistency. No user-facing features shipped this month; the primary value came from improving developer productivity and CI reliability. The change is tracked in commit 00b0e8700fd1b9d78180ba1b77564c7292c10547 (fixing python version determination, refs #3 #15945).
June 2025
May 2025
21 Commits • 8 Features
May 1, 2025May 2025 monthly summary for eclipse-sumo/sumo: CI/build system enhancements, Maven build optimizations, cross-platform build support, and distribution improvements. Delivered significant reliability gains, faster builds, and broader deployment capabilities, while maintaining strong traceability through commit-level changes.
May 2025
21 Commits • 8 Features
May 1, 2025May 2025 monthly summary for eclipse-sumo/sumo: CI/build system enhancements, Maven build optimizations, cross-platform build support, and distribution improvements. Delivered significant reliability gains, faster builds, and broader deployment capabilities, while maintaining strong traceability through commit-level changes.
April 2025
2 Commits • 1 Features
Apr 1, 2025In April 2025, delivered a focused improvement for eclipse-sumo/sumo: MacOS installer simplification by removing libsumo and libtraci dependencies and per-library signing steps, guiding users to install these libraries via pip. This reduces packaging complexity, lowers maintenance burden, and improves Mac user onboarding. No major bugs fixed this month. Impact: faster, more reliable macOS install flow with fewer signing pitfalls; Business value: smoother distribution, lower support costs, and quicker time-to-value for Mac users. Technologies/skills demonstrated: macOS installer packaging, Python packaging (pip), signing workflows, and repository hygiene.
2 Commits • 1 Features
Apr 1, 2025In April 2025, delivered a focused improvement for eclipse-sumo/sumo: MacOS installer simplification by removing libsumo and libtraci dependencies and per-library signing steps, guiding users to install these libraries via pip. This reduces packaging complexity, lowers maintenance burden, and improves Mac user onboarding. No major bugs fixed this month. Impact: faster, more reliable macOS install flow with fewer signing pitfalls; Business value: smoother distribution, lower support costs, and quicker time-to-value for Mac users. Technologies/skills demonstrated: macOS installer packaging, Python packaging (pip), signing workflows, and repository hygiene.
April 2025
February 2025
14 Commits • 2 Features
Feb 1, 2025February 2025 monthly summary for eclipse-sumo/sumo: Implemented end-to-end macOS installer signing and artifact delivery automation, streamlined the macOS installer build by removing the DMG packaging stage, and stabilized artifact delivery by reverting notarized uploads to GitHub Actions due to workflow run retrieval issues. These efforts reduced manual steps, improved release reliability, and accelerated delivery while maintaining security and compliance.
February 2025
14 Commits • 2 Features
Feb 1, 2025February 2025 monthly summary for eclipse-sumo/sumo: Implemented end-to-end macOS installer signing and artifact delivery automation, streamlined the macOS installer build by removing the DMG packaging stage, and stabilized artifact delivery by reverting notarized uploads to GitHub Actions due to workflow run retrieval issues. These efforts reduced manual steps, improved release reliability, and accelerated delivery while maintaining security and compliance.
January 2025
20 Commits • 2 Features
Jan 1, 2025January 2025 monthly performance summary for eclipse-sumo/sumo: Delivered end-to-end macOS installer readiness with Framework and Launcher Packaging and established a robust CI/CD pipeline for macOS releases. Achieved repeatable packaging and distribution artifacts, improving release reliability and security compliance.
20 Commits • 2 Features
Jan 1, 2025January 2025 monthly performance summary for eclipse-sumo/sumo: Delivered end-to-end macOS installer readiness with Framework and Launcher Packaging and established a robust CI/CD pipeline for macOS releases. Achieved repeatable packaging and distribution artifacts, improving release reliability and security compliance.
January 2025
Activity
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Quality Metrics
Correctness88.0%
Maintainability88.0%
Architecture83.2%
Performance79.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
BashC++CMakeDockerfileGroovyJSONJavaJenkinsfileMarkdownPython
Technical Skills
API IntegrationAutomationBug FixBuild AutomationBuild ProcessBuild ScriptingBuild SystemBuild System ConfigurationCI/CDCMakeCode FormattingCode SigningConfiguration ManagementContinuous IntegrationData Export
Repositories Contributed To
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