powsybl/powsybl-core
Nov 2025 – Feb 2026
3 Months active
Languages Used
GroovyJavaXML
Technical Skills
API DevelopmentBackend DevelopmentGroovyJavaJava DevelopmentUnit Testing
Matthieu SAUR
PROFILE
Matthieu Saur
Matthieu Saur contributed to the powsybl-core repository by delivering five features over three months, focusing on backend and API development using Java, Groovy, and XML. He upgraded the IIDM schema to improve compatibility and future-proof the codebase, introduced a local voltage target field in the Generator class to enhance simulation accuracy, and enabled external bindings in Groovy DSL loaders for better scripting integration. Matthieu also developed a robust time-series sub-chunking method, optimizing range splitting logic and expanding unit test coverage. His work emphasized maintainability, standards alignment, and reliable data processing, demonstrating depth in backend engineering and schema design.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
5Total
Bugs
0
Commits
5
Features
5
Lines of code
35,938
Activity Months3
Your Network
99 peopleSame Organization
@rte-france.com61
Work History
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for powsybl-core focusing on robust time-series processing and code quality improvements. Delivered a new range-based time series sub-chunking capability, improved the correctness and performance of the splitting logic, and enhanced test coverage and documentation to support maintainability and future iterations.
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for powsybl-core focusing on robust time-series processing and code quality improvements. Delivered a new range-based time series sub-chunking capability, improved the correctness and performance of the splitting logic, and enhanced test coverage and documentation to support maintainability and future iterations.
February 2026
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 — Completed IIDM schema upgrade in powsybl-core from 1.15 to 1.16 across multiple XML files. This delivers standard alignment and improves compatibility with downstream tools, reducing integration risk and enabling smoother future releases. The change was implemented in a single commit (16f4670845669e3e7e98b47e0fbfa753ee3c3c56) that also applied code-review feedback (copyright year updated to 2026; schema version bumped). No major defects fixed this month; the focus was on delivering a clean, standards-compliant baseline.
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 — Completed IIDM schema upgrade in powsybl-core from 1.15 to 1.16 across multiple XML files. This delivers standard alignment and improves compatibility with downstream tools, reducing integration risk and enabling smoother future releases. The change was implemented in a single commit (16f4670845669e3e7e98b47e0fbfa753ee3c3c56) that also applied code-review feedback (copyright year updated to 2026; schema version bumped). No major defects fixed this month; the focus was on delivering a clean, standards-compliant baseline.
November 2025
3 Commits • 3 Features
Nov 1, 2025Month: 2025-11 — Focused execution across powsybl-core to deliver enhancements in model compatibility, voltage target handling, and scripting integration, while maintaining high code quality and test integrity.
3 Commits • 3 Features
Nov 1, 2025Month: 2025-11 — Focused execution across powsybl-core to deliver enhancements in model compatibility, voltage target handling, and scripting integration, while maintaining high code quality and test integrity.
November 2025
Activity
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Quality Metrics
Correctness88.0%
Maintainability84.0%
Architecture88.0%
Performance84.0%
AI Usage32.0%
Skills & Technologies
Programming Languages
GroovyJavaXML
Technical Skills
API DevelopmentBackend DevelopmentGroovyJavaJava DevelopmentUnit TestingVersion ControlXML HandlingXML Schema Designbackend developmentscriptingunit testing
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