
Jakob Kirei developed and enhanced energy measurement and accessibility features across several Home Assistant repositories, including home-assistant/developers.home-assistant, NoRi2909/core, and cdce8p/ha-core. He expanded support for high-magnitude power and energy units, introduced energy-per-distance metrics, and implemented automatic unit conversion logic using Python. Jakob aligned data models and documentation in Markdown to ensure consistency and clarity for both developers and end users. His work on Amazon Polly integration broadened regional and voice support, improving localization. Throughout, he focused on backend development, configuration management, and system integration, delivering well-documented, scalable solutions that improved data quality and user experience.

November 2025 (Month: 2025-11) – ha-core focused on expanding Amazon Polly capabilities to improve accessibility and regional coverage. Delivered additional Polly regions and voices, enabling broader localization and higher potential user adoption. No critical bugs reported; aligned with platform roadmap and stability improvements.
November 2025 (Month: 2025-11) – ha-core focused on expanding Amazon Polly capabilities to improve accessibility and regional coverage. Delivered additional Polly regions and voices, enabling broader localization and higher potential user adoption. No critical bugs reported; aligned with platform roadmap and stability improvements.
February 2025 — Key highlights for home-assistant/developers.home-assistant: Delivered energy-distance measurement capabilities by introducing ENERGY_DISTANCE device class, UnitOfEnergyDistance enum, and EnergyDistanceConverter to enable automatic unit conversions for energy-per-distance data. Enabled inverse units in the core BaseUnitConverter and updated documentation for number and sensor entities. No major bugs reported this period. Commit reference included for traceability. Impact: supports granular energy analytics across devices with a distance dimension, improves data quality and developer experience, and strengthens the energy measurement ecosystem.
February 2025 — Key highlights for home-assistant/developers.home-assistant: Delivered energy-distance measurement capabilities by introducing ENERGY_DISTANCE device class, UnitOfEnergyDistance enum, and EnergyDistanceConverter to enable automatic unit conversions for energy-per-distance data. Enabled inverse units in the core BaseUnitConverter and updated documentation for number and sensor entities. No major bugs reported this period. Commit reference included for traceability. Impact: supports granular energy analytics across devices with a distance dimension, improves data quality and developer experience, and strengthens the energy measurement ecosystem.
January 2025 performance summary focusing on delivering energy-per-distance capabilities and improving documentation for ENERGY_DISTANCE usage across core and docs. Key outcomes include a new Energy Distance device class and aligned unit support documentation to help users adopt and implement energy-per-distance metrics in their automations and analytics. This work enhances precision for travel-related energy analytics and reduces user confusion by standardizing units across components. No explicit bug fixes documented for this period; emphasis remained on feature delivery, documentation, and cross-repo alignment to drive adoption and data quality.
January 2025 performance summary focusing on delivering energy-per-distance capabilities and improving documentation for ENERGY_DISTANCE usage across core and docs. Key outcomes include a new Energy Distance device class and aligned unit support documentation to help users adopt and implement energy-per-distance metrics in their automations and analytics. This work enhances precision for travel-related energy analytics and reduces user confusion by standardizing units across components. No explicit bug fixes documented for this period; emphasis remained on feature delivery, documentation, and cross-repo alignment to drive adoption and data quality.
Concise monthly summary for 2024-11 focusing on key accomplishments and business value across repositories.
Concise monthly summary for 2024-11 focusing on key accomplishments and business value across repositories.
Overview of all repositories you've contributed to across your timeline