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Glenn de Haan

PROFILE

Glenn De Haan

Glenn de Haan developed and enhanced multiple Home Assistant integrations, focusing on device control, sensor management, and documentation across repositories such as home-assistant/core and home-assistant.io. He engineered the end-to-end HDFury integration, implementing robust discovery, diagnostics, and user-facing controls using Python and YAML, while ensuring maintainability through core relocation and dependency management. Glenn improved onboarding and usability by refining documentation and streamlining asset delivery, leveraging technical writing and JSON manipulation. His work included expanding sensor capabilities with new device classes and comprehensive test coverage, demonstrating depth in backend development and integration, and consistently delivering features that improved user experience.

Overall Statistics

Feature vs Bugs

92%Features

Repository Contributions

30Total
Bugs
1
Commits
30
Features
11
Lines of code
4,934
Activity Months5

Work History

March 2026

2 Commits • 1 Features

Mar 1, 2026

March 2026 (2026-03): Delivered a new device class for the active_liter_lpm sensor to align with volume_flow_rate categorization, improving integration and user understanding in Home Assistant Core. Updated tests to cover the new device class and ensure regression safety. No major bugs fixed in this period; the focus was on feature delivery and test coverage to enhance reliability and user experience.

February 2026

9 Commits • 5 Features

Feb 1, 2026

February 2026 delivered a strategic set of HDFury integration enhancements across core, ha-core, and docs, expanding device control, improving robustness, and aligning library dependencies. Key outcomes include new user-facing controls (CEC/5V switches, audio offset, and OLED configuration), targeted code fixes and typing improvements, library upgrades for compatibility, and documentation cleanup to boost clarity and reduce support overhead. These changes collectively improve reliability, provide richer Home Assistant experiences for HDFury devices, and position the project to ship faster with fewer regressions.

January 2026

17 Commits • 3 Features

Jan 1, 2026

January 2026 monthly summary: Delivered end-to-end HDFury integration across Home Assistant core with broad platform coverage, robust discovery, and diagnostics; relocated the integration into core for improved maintainability; and completed extensive user-facing documentation across related platforms.

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025: Delivered enhancements to the Rituals Perfume Genie integration documentation in home-assistant.io, improving onboarding, use-case guidance, and automation examples. No major bugs reported in the repository this month. The documentation work strengthens user adoption, reduces onboarding time, and provides a clear baseline for future improvements. Demonstrated improvements in technical writing, Markdown tooling, and contributor workflow for the docs repo, aligning with business goals of higher self-service and faster time-to-value.

May 2025

1 Commits • 1 Features

May 1, 2025

May 2025: Delivered branding assets for the HDFury integration in the home-assistant/brands repository. Added two PNG icons (icon.png and icon@2x.png) for the HDFury integration under custom_integrations/hdfury to improve UI representation, branding consistency, and user usability. The change is tracked by commit 8fbe9f7449f11abff183525ef9c53c5d9e61201b (Add HDFury icons (#7047)). No major bugs fixed this month; effort focused on asset delivery and UI polish.

Activity

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Quality Metrics

Correctness98.6%
Maintainability93.4%
Architecture97.4%
Performance93.4%
AI Usage31.4%

Skills & Technologies

Programming Languages

JSONMarkdownPythonYAMLmarkdown

Technical Skills

API IntegrationAPI integrationHome AssistantHome Assistant DevelopmentHome Assistant integrationIntegration DevelopmentJSON manipulationNetwork DiscoveryPythonPython ProgrammingPython programmingSensor IntegrationUnit Testingbackend developmentdependency management

Repositories Contributed To

5 repos

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

mib1185/homeassistant-core

Jan 2026 Feb 2026
2 Months active

Languages Used

JSONPythonYAML

Technical Skills

API IntegrationAPI integrationHome AssistantHome Assistant DevelopmentNetwork DiscoveryPython

home-assistant/home-assistant.io

Dec 2025 Feb 2026
3 Months active

Languages Used

Markdownmarkdown

Technical Skills

Home Assistant integrationdocumentationtechnical writingHome Assistantintegrationintegration development

home-assistant/brands

May 2025 Jan 2026
2 Months active

Languages Used

Python

Technical Skills

Python programmingintegration developmentsoftware architecture

cdce8p/ha-core

Feb 2026 Feb 2026
1 Month active

Languages Used

JSONPython

Technical Skills

Home Assistant DevelopmentIntegration DevelopmentPython ProgrammingUnit Testingdependency managementversion control

home-assistant/core

Mar 2026 Mar 2026
1 Month active

Languages Used

Python

Technical Skills

Home Assistant integrationPython programmingsensor developmentsensor integrationunit testing