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Daniel Darnell

PROFILE

Daniel Darnell

Worked on release engineering and automation for the thunderbird/thunderbird-android and mozilla/gecko-dev repositories, focusing on version management and build system configuration. Delivered a series of coordinated version bumps for K-9 Mail and Thunderbird for Android, establishing consistent release baselines and improving traceability across major updates. Enhanced the Treescript payload builder in mozilla/gecko-dev by introducing an optional actions parameter, streamlining task execution and aligning with prior schema stability work. Utilized Kotlin, Gradle, and Python to manage build pipelines, automate release processes, and ensure cross-module consistency, supporting downstream distribution, QA, and compliance through disciplined version control and schema definition practices.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

7Total
Bugs
0
Commits
7
Features
7
Lines of code
25
Activity Months7

Work History

April 2026

1 Commits • 1 Features

Apr 1, 2026

April 2026 (2026-04) release-focused month for thunderbird/thunderbird-android. Delivered a unified Release Version 20.0 update across K-9 Mail and Thunderbird for Android, aligning version numbers post-merge. No major bugs fixed in this repo this month. This work improves downstream release signaling and user experience by ensuring consistent versioning across related Android apps. Skills demonstrated include release engineering, cross-repo coordination, and version management.

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026 monthly summary for thunderbird/thunderbird-android: Focused on release readiness for 19.0. Delivered a critical feature: Release Version Bump to 19.0, ensuring version consistency across K-9 Mail and Thunderbird for Android, enabling accurate release tracking and customer-facing documentation. No major bugs fixed this month; maintenance and release governance activities centered on aligning release metadata and facilitating downstream QA and rollout. Impact includes simplified upgrade paths, improved release notes accuracy, and stronger traceability. Technologies/skills demonstrated include version management, Git-based release discipline, and cross-component release coordination.

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026 (2026-01) focused on stabilizing the release cycle and implementing a major version update for Android builds. The key delivery was a post-merge release version bump to 18.0 for Thunderbird Android (with alignment to K-9 Mail release processes), enabling a clear, consistent versioning baseline for subsequent releases.

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025 monthly summary for thunderbird/thunderbird-android: Delivered the Version 17.0 update for K-9 Mail and Thunderbird for Android via a post-merge version bump; established release-traceable baseline for the major 17.0 cycle; prepared the ground for downstream distribution and user-facing improvements.

November 2025

1 Commits • 1 Features

Nov 1, 2025

November 2025 monthly summary for thunderbird/thunderbird-android: Focused on release management and cross-platform delivery. Delivered a major version bump to 16.0 for K-9 Mail and Thunderbird for Android, enabling downstream features and aligning release cadences across Android email clients. Clear traceability from commit history supports auditing and compliance.

July 2025

1 Commits • 1 Features

Jul 1, 2025

2025-07 monthly summary for thunderbird/thunderbird-android focused on release readiness. Delivered a no-code-change version bump to 13.0 across Android apps, ensuring consistent packaging and upgrade paths. This release engineering effort reduces downstream risk and supports telemetry, analytics, and user expectations for versioning.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 - mozilla/gecko-dev: Delivered a key capability in the Treescript payload builder by introducing an optional actions parameter, enhancing configuration of task execution via payloads and aligning with prior stability work. This change streamlines automation, reduces manual configuration, and improves consistency across task graphs.

Activity

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Quality Metrics

Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

GradleKotlinPython

Technical Skills

Android DevelopmentAndroid developmentBuild System ConfigurationSchema DefinitionTaskGraph TransformationVersion ControlVersion Managementmobile development

Repositories Contributed To

2 repos

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

thunderbird/thunderbird-android

Jul 2025 Apr 2026
6 Months active

Languages Used

GradleKotlin

Technical Skills

Build System ConfigurationVersion ManagementAndroid developmentmobile developmentAndroid DevelopmentVersion Control

mozilla/gecko-dev

Jun 2025 Jun 2025
1 Month active

Languages Used

Python

Technical Skills

Schema DefinitionTaskGraph Transformation