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David Bonnes

PROFILE

David Bonnes

Over eight months, David Bonnes enhanced the Evohome integration within the home-assistant/core repository, focusing on reliability, maintainability, and user experience. He delivered features such as operational mode controls for WaterHeater entities and unified system reset actions, while also addressing legacy compatibility and robust error handling. Using Python and YAML, David upgraded dependencies, refactored service registration, and modernized the test suite with pytest fixtures to improve test clarity and coverage. His backend development work included refining API integration, tightening service configuration, and improving UI elements, resulting in a more stable, user-friendly, and future-proof Home Assistant climate control platform.

Overall Statistics

Feature vs Bugs

70%Features

Repository Contributions

34Total
Bugs
6
Commits
34
Features
14
Lines of code
6,779
Activity Months8

Work History

April 2026

6 Commits • 4 Features

Apr 1, 2026

April 2026 performance snapshot for home-assistant/core (Evohome integration): focused on reliability, test quality, and UX improvements. Delivered code-level robustness for climate control, modernized the Evohome test suite, and tightened UI and service configuration for better user guidance. These changes reduce user errors, shorten troubleshooting cycles, and strengthen overall system stability.

March 2026

3 Commits • 2 Features

Mar 1, 2026

During March 2026, the Evohome integration in home-assistant/core delivered cross-device consistency, reliability improvements, and strengthened backwards compatibility. Key features: unified RESET_SYSTEM action across all Evohome controller types, enabling a consistent control experience and simplifying automations; upgraded evohome-async to 1.2.0 with clearer method names and enhanced error logging to improve API traceability and resilience. Major bug fixes: added tests to ensure legacy entity ID compatibility for zone override services, preserving compatibility with older configurations. Overall impact: improved user experience through consistent control across Evohome devices, reduced maintenance burden due to clearer error reporting and dependency upgrades, and safer upgrades thanks to expanded test coverage. Technologies/skills demonstrated: Python, Home Assistant integration patterns (service registration, action handling, and testing), test framework updates, logging improvements, and dependency management.

February 2026

9 Commits • 3 Features

Feb 1, 2026

Concise monthly summary for 2026-02 focusing on Evohome integration work across two repositories. Delivered a major bug fix, feature upgrades, and architecture improvements that enhance reliability, maintainability, and business value for Home Assistant users.

December 2025

2 Commits • 1 Features

Dec 1, 2025

December 2025 monthly summary for mib1185/homeassistant-core: Focused on dependency maintenance and integration stabilization via evohome-async upgrade. Delivered a targeted dependency bump to evohome-async 1.0.6 to unlock new features and bug fixes, reinforcing the Home Assistant Evohome integration.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for home-assistant/core. Delivered feature: WaterHeater: Operational Modes and Temperature Settings, enabling flexible control of WaterHeater entity and richer automation scenarios. - This work adds support for various operational modes and temperature settings, improving user experience and automations for climate control. - Commit c254548a64d9a2f8b2bd0eff11e89794c4f45c58 applied: Add `required_features` to WaterHeater entity service registrations (#141873).

May 2025

2 Commits

May 1, 2025

Monthly summary for 2025-05 focused on core maintenance and reliability improvements in home-assistant/core. Implemented a targeted fix for unsubscribe handling on HOMEASSISTANT_STOP within the Data Update Coordinator to ensure clean shutdown without lingering subscriptions. The change was propagated through two commits addressing the unsubscribe regression in #145809, reinforcing lifecycle correctness and system stability.

April 2025

3 Commits • 1 Features

Apr 1, 2025

In 2025-04, delivered two key changes in home-assistant/core to improve compatibility and maintainability of the Evohome integration. Features delivered: bump evohome-async library to 1.0.5 across requirements and test requirements, enabling access to latest features and fixes. Bugs fixed: EvoZone device ID logic extended for older TCC-compatible systems by adjusting unique ID assignment based on device ID, enabling compatibility with legacy devices. Impact: enhances compatibility with legacy Evohome devices, reduces risk of regressions when updating dependencies, and supports ongoing integration stability. Technologies/skills demonstrated: dependency management, backward compatibility engineering, Python packaging, and test maintenance. Business value: improved reliability for users with legacy Evohome devices, smoother upgrade paths, and stronger foundation for future feature work.

March 2025

8 Commits • 2 Features

Mar 1, 2025

March 2025 monthly summary focusing on Evohome-related work in home-assistant/core. The primary emphasis was on reliability, observability, and compatibility improvements for the Evohome integration, delivering stability gains through robust error handling, enhanced logging, and dependency upgrades that align with the latest fixes and features.

Activity

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Quality Metrics

Correctness94.2%
Maintainability90.0%
Architecture90.0%
Performance90.0%
AI Usage26.4%

Skills & Technologies

Programming Languages

PythonYAML

Technical Skills

API developmentAPI integrationHome AssistantPythonPython DevelopmentPython package managementUI/UX DesignYAML configurationbackend developmentdebuggingdependency managementerror handlingfixture managementfull stack developmentpytest

Repositories Contributed To

3 repos

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

home-assistant/core

Mar 2025 Apr 2026
6 Months active

Languages Used

PythonYAML

Technical Skills

API integrationPythonPython package managementbackend developmentdebuggingdependency management

mib1185/homeassistant-core

Dec 2025 Feb 2026
2 Months active

Languages Used

Python

Technical Skills

API integrationPythonbackend developmentfull stack developmenttestingunit testing

cdce8p/ha-core

Feb 2026 Feb 2026
1 Month active

Languages Used

Python

Technical Skills

API developmentAPI integrationPythonbackend developmentservice architecturesoftware development