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Mike Chang

PROFILE

Mike Chang

Over twelve months, Changml contributed to the o3de/o3de repository by engineering robust CI/CD pipelines, cross-platform build systems, and installer workflows. They delivered reproducible builds by pinning toolchain versions and automating environment setup using CMake, GitHub Actions, and shell scripting. Changml improved build reliability and developer onboarding by integrating caching, disk space checks, and automated license acceptance, while refining test suites to reduce CI noise. Their work addressed platform-specific challenges across Windows, Linux, and Android, modernizing packaging and code signing processes. Through careful configuration management and scripting in Bash and Groovy, Changml enhanced release governance and streamlined multi-platform development.

Overall Statistics

Feature vs Bugs

81%Features

Repository Contributions

24Total
Bugs
4
Commits
24
Features
17
Lines of code
1,899
Activity Months12

Work History

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026: Delivered a Cross-Platform Build Tools and Packaging Update for o3de/o3de to enhance build reliability and cross-platform compatibility across Windows and macOS toolchains. Updated the bundled CMake to 4.2.3 and refined packaging configurations and hashes to improve support for Visual Studio 2026 and Xcode 26.x, driving a smoother developer experience and more reproducible builds. Changes are tracked in commit 9bd40bdfe90ec30202ff302e2dd17669596337d0 with associated PRs #19592 and #19599. No major bugs fixed within this period based on the provided data. Impact and value: The update reduces platform-specific build frictions, accelerates onboarding for new contributors, and increases confidence in release packaging across environments. This aligns with the team’s goals of reliability, performance, and developer productivity.

February 2026

2 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary for o3de/o3de focusing on build system reliability and cross-platform consistency. Implemented a Linux-specific disk space preflight check in the AR workspace and upgraded the build CMake version to 4.2.3 to improve compatibility across platforms. These changes reduce build-time failures, stabilize CI, and streamline multi-platform development.

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026 monthly summary for o3de/o3de focusing on feature delivery and release workflow improvements. Delivered the Point-Release Branch Trigger for AR Merge Workflow, enabling granular control over point-release merges and improving release governance and risk management. The change was implemented in a single commit and tied to PR #19493, with sign-off verification.

October 2025

1 Commits • 1 Features

Oct 1, 2025

October 2025 — Delivered a reproducible CI/CD build system for the o3de/o3de project by pinning toolchain versions across platforms and adding GitHub Actions inputs for NDK, CMake, Gradle, and MSVC toolsets. This standardizes environments, reduces build variability, and accelerates release cycles across the codebase. Commit highlighted: b0f3f64ed9156b61ddd9ea5d4b9a54252a74ecb8 ("Pin compiler dependancies for AR (#19276)").

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary for o3de/o3de: Implemented a test-suite refinement by excluding o3de_export_project from tests to streamline execution and reduce noise in CI results. Change implemented via updating CTEST_OPTIONS (commit 98ffd0656bb5de65a7fbf97664935d2d7d270553), addressing issue #19243. The adjustment improves feedback speed, focuses test coverage on relevant components, and lowers maintenance overhead.

August 2025

2 Commits • 1 Features

Aug 1, 2025

Month: 2025-08 — Focused on strengthening CI/CD reliability and cross-platform build readiness for o3de/o3de. Delivered enhancements to third-party package resolution and automated Android SDK licensing, reducing build failures and improving reproducibility across Android, Linux, and Windows targets.

July 2025

3 Commits • 2 Features

Jul 1, 2025

July 2025 monthly performance summary for repository o3de/o3de. Delivered key CI/CD pipeline improvements and Windows signing enhancements that improved release reliability, cross-platform consistency, and security. Implemented features focused on build robustness, artifact caching, and signing workflow automation, with careful attention to retries, timeouts, and platform-specific nuances. The work reduces build times, minimizes flaky releases, and strengthens compliance-ready signing across Android/Linux/Windows. Technologies demonstrated include CI/CD orchestration, caching strategies, TrackFileAccess, timeout management, and signing automation.

June 2025

2 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for o3de/o3de: Implemented CI/CD pipeline optimization and stability enhancements to improve build performance and reliability. Key changes include GitHub Actions optimizations for ccache and disk usage via DevDrive, artifact management with CLEAN_ARTIFACTS, and removal of AR retry action along with Windows workflow fixes. Delivered with commits 2ee6a722dd4dcca9eeb5c87003df7832cf015d5c and 302dc0d6b1fcf2e9f5fedd37c4171f5238283d92, resulting in faster, more predictable pipelines and reduced maintenance overhead.

April 2025

4 Commits • 2 Features

Apr 1, 2025

April 2025: Stabilized Linux builds, expanded cross-platform AR CI, and hardened developer experience for Android on Linux while reducing flaky test noise. Key outcomes include improved build stability, automated cross-platform AR integration, reliable Android dev setup, and focused AR testing efforts leading to faster and more predictable feature delivery across Windows, Linux, and Android.

March 2025

1 Commits • 1 Features

Mar 1, 2025

Summary for 2025-03: Implemented MSVC compiler caching and build caching integration for o3de/o3de, enabling faster MSVC builds and smoother CI iterations. A new CMake script activates and configures caching, with MSVC-specific flags and debug info formats to ensure compatibility. Commit 5d9c4b7bd5e648660f4945c232ede39bcaf5253c ties this work to the change. This work reduces build times, accelerates iteration, and improves developer productivity, delivering clear business value.

February 2025

5 Commits • 5 Features

Feb 1, 2025

Monthly performance summary for 2025-02 focusing on feature delivery and build-system improvements across carbonated-dev/o3de and o3de/o3de.

October 2024

1 Commits

Oct 1, 2024

October 2024 monthly summary for carbonated-dev/o3de focused on stabilizing the Windows installation flow and reducing onboarding friction. Implemented a critical bug fix in the Windows installer to ensure correct tar packaging during post-install, and enhanced error logging guidance to improve troubleshooting and user experience. The work minimizes install-time failures and support overhead while preserving release quality and maintainability across the repository.

Activity

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Quality Metrics

Correctness83.8%
Maintainability82.6%
Architecture78.4%
Performance75.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashBatchC++CMakeGroovyJSONPowerShellShellWixYAML

Technical Skills

Android DevelopmentBuild AutomationBuild ConfigurationBuild OptimizationBuild ScriptingBuild SystemsCI/CDCMakeClangCode SigningCompiler OptimizationConfiguration ManagementContinuous IntegrationCross-Platform DevelopmentDevOps

Repositories Contributed To

2 repos

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

o3de/o3de

Feb 2025 Mar 2026
11 Months active

Languages Used

JSONPowerShellCMakeBashC++ShellYAMLBatch

Technical Skills

Build AutomationBuild ConfigurationBuild SystemsCI/CDDevOpsScripting

carbonated-dev/o3de

Oct 2024 Feb 2025
2 Months active

Languages Used

WixGroovyJSON

Technical Skills

Installer DevelopmentWindows PackagingAndroid DevelopmentBuild AutomationBuild SystemsCI/CD