Developer
Harris Hancock
harris@cloudflare.com
Performance
YoY:+2050%Key patterns and highlights from this developer's activity.
Breakdown of growth, maintenance, and fixes effort over time.
Bugs introduced vs. fixed over time.
No bugs introduced or fixed in this period.
Reclassifies engineering effort based on bug attribution. Commits that introduced bugs are retrospectively counted as poor investments.
Investment Quality reclassifies engineering effort based on bug attribution data. Commits identified as buggy origins (those that introduced bugs later fixed by someone) have their grow and maintenance time moved into the Wasted Time category. Their waste (fix commits) remains counted as productive. All other commits retain their standard classification: grow is productive, maintenance is maintenance, and waste (fixes) is productive.
The standard model classifies commits as Growth, Maintenance, or Fixes. Investment Quality adds a quality lens: a commit that introduced a bug is retrospectively counted as a poor investment — the engineering time spent on it was wasted because it ultimately required additional fix work. Fix commits (Fixes in the standard model) are reframed as productive, because fixing bugs is valuable work.
Currently computed client-side from commit and bug attribution data. Ideal server-side endpoint:
POST /v1/organizations/{orgId}/investment-quality
Content-Type: application/json
Request:
{
"startTime": "2025-01-01T00:00:00Z",
"endTime": "2025-12-31T23:59:59Z",
"bucketSize": "BUCKET_SIZE_MONTH",
"groupBy": ["repository_id" | "deliverer_email"]
}
Response:
{
"productivePct": 74,
"maintenancePct": 18,
"wastedPct": 8,
"buckets": [
{
"bucketStart": "2025-01-01T00:00:00Z",
"productive": 4.2,
"maintenance": 1.8,
"wasted": 0.6
}
]
}Latest analyzed commits from this developer.
| Hash | Message | Date | Files | Effort |
|---|---|---|---|---|
| 7a7288ef | Merge pull request #6359 from cloudflare/harris/2026-03-19-bonk-no-push | Mar 19 | 0 | – |
| c72ad8db | This commit introduces a new **automation** for managing the `opencode-ai` dependency version across the project. A new Python script, `tools/update_opencode_version.py`, fetches the latest `opencode-ai` version from npm and updates the `opencode_version` field within all **Bonk workflow files**. This **maintenance** enhancement is integrated into the weekly `.github/workflows/deps-updater.yml` workflow, ensuring regular updates, and is also available for manual execution via `just update-opencode`. This streamlines dependency management for `opencode-ai`, with CI failures serving as a safeguard against incomplete or problematic dependency releases. | Mar 19 | 3 | maint |
| 356f4dcc | This commit implements a **multi-pronged fix** to prevent merge conflicts and stabilize CI workflows related to the **Bonk auto-reviewer** and **`opencode` integration**. It **pins the `opencode` version** to `1.2.27` across all Bonk workflows (`bigbonk.yml`, `bonk.yml`, `new-pr-review.yml`) to eliminate `package.json` modifications caused by version drift. Additionally, the **root `.gitignore` is updated** to permanently ignore auto-generated `opencode` artifacts like `.opencode/package.json` and `bun.lock`, and the auto-reviewer's token permissions are explicitly set to `NO_PUSH` in `new-pr-review.yml`. This comprehensive **bug fix** resolves issues with unexpected file changes in PRs and enhances the robustness of the CI/CD pipeline. | Mar 19 | 5 | waste |
| a68feff0 | Merge pull request #6247 from cloudflare/harris/EW-9722-clean-up-gates | Mar 5 | 0 | – |
| 90d50cd8 | This change fixes module resolution failures within the `.opencode` tools by adding a missing dependency. It enables the `.opencode` tools to function correctly, resolving a critical issue that prevented their use. | Mar 5 | 1 | – |
| 913e8a18 | This change permanently applies an 8 KiB external memory adjustment to all subrequests (fetch, Cache API, etc.) within IoContext, removing previous conditional logic. This ensures consistent resource allocation for these operations across the system. | Mar 5 | 4 | maint |
| 6789c43e | Merge pull request #6070 from cloudflare/harris/2026-02-13-fix-form-data-warning | Feb 13 | 0 | – |
| 56aeaf35 | This commit adds new tests to the `workerd` API test suite, specifically verifying the visibility of `logWarning()` messages in streaming tail workers. This is an isolated change to the test infrastructure, improving test coverage without affecting production code or behavior. | Feb 13 | 4 | maint |
| 78896aef | This fix significantly improves observability for the `workerd` runtime by ensuring `logWarning()` messages are correctly emitted to streaming tail workers and `--verbose` stderr. It resolves a silent warning suppression issue across various API modules, making previously hidden warnings visible. | Feb 13 | 6 | waste |
| c3789eed | This fix revives a critical warning in `workerd`'s HTTP body processing, ensuring that users are now correctly alerted when `FormData` is used with a custom `Content-Type` header. It also removes a problematic MIME type comparison operator, preventing potential future bugs in content type validation. | Feb 13 | 2 | waste |
| ffed0c53 | Affects all services utilizing concurrency-limited subrequests (e.g., fetch, KV, R2, Cache); centralizes and increases external memory adjustment when a specific autogate is enabled, impacting resource accounting and potential performance. | Feb 12 | 2 | grow |
| 232c2767 | Merge pull request #6021 from cloudflare/harris/2026-02-05-jsg-try-catch | Feb 11 | 0 | – |
| ca446b78 | This is an isolated documentation update for the `jsg` module, clarifying the usage of `JSG_TRY` and `JSG_CATCH` for developers. It has no impact on runtime behavior or production systems. | Feb 11 | 1 | maint |
| 7d72c235 | This refactoring affects the internal exception handling of several Workerd API modules, migrating them to use new `JSG_TRY/JSG_CATCH` macros. This is an internal code consistency improvement with no expected change in external behavior or downstream impact. | Feb 5 | 7 | maint |
| e5651f39 | This commit introduces new exception handling macros (JSG_TRY/JSG_CATCH) within the JSG subsystem, providing a cleaner syntax for converting JavaScript and KJ exceptions to `jsg::Value`. This is a significant new capability that improves developer experience for JSG code and lays the groundwork for future coroutine support. | Feb 5 | 3 | grow |
| abb5d068 | This commit **updates the documentation** by adding a new entry to the **Workers release notes**. Specifically, it records the **V8 version 14.5 update** in the `src/content/release-notes/workers.yaml` file. This **maintenance task** ensures that users are informed about the underlying engine changes affecting the **Workers platform**. The update provides transparency regarding the platform's evolution and is a crucial part of the **release process**. | Feb 3 | 1 | maint |
| db9785b5 | Merge pull request #5952 from cloudflare/jasnell/sockets-close-fix-mabe-take-2 | Jan 28 | 0 | – |
| fb180785 | Affects `workerd` services utilizing `fetch()`; this change, controlled by an autogate, increases the estimated external memory overhead for `fetch()` operations, leading to more accurate memory accounting and potentially improved resource stability. | Jan 22 | 3 | grow |
| 9e8b8a43 | Merge pull request #5625 from cloudflare/osilva/WOR-1047 | Dec 4 | 0 | – |
| ebda5da8 | Merge pull request #5499 from cloudflare/harris/2025-11-11-compatibility-date-lint | Nov 11 | 0 | – |
Merge pull request #6359 from cloudflare/harris/2026-03-19-bonk-no-push
This commit introduces a new **automation** for managing the `opencode-ai` dependency version across the project. A new Python script, `tools/update_opencode_version.py`, fetches the latest `opencode-ai` version from npm and updates the `opencode_version` field within all **Bonk workflow files**. This **maintenance** enhancement is integrated into the weekly `.github/workflows/deps-updater.yml` workflow, ensuring regular updates, and is also available for manual execution via `just update-opencode`. This streamlines dependency management for `opencode-ai`, with CI failures serving as a safeguard against incomplete or problematic dependency releases.
This commit implements a **multi-pronged fix** to prevent merge conflicts and stabilize CI workflows related to the **Bonk auto-reviewer** and **`opencode` integration**. It **pins the `opencode` version** to `1.2.27` across all Bonk workflows (`bigbonk.yml`, `bonk.yml`, `new-pr-review.yml`) to eliminate `package.json` modifications caused by version drift. Additionally, the **root `.gitignore` is updated** to permanently ignore auto-generated `opencode` artifacts like `.opencode/package.json` and `bun.lock`, and the auto-reviewer's token permissions are explicitly set to `NO_PUSH` in `new-pr-review.yml`. This comprehensive **bug fix** resolves issues with unexpected file changes in PRs and enhances the robustness of the CI/CD pipeline.
Merge pull request #6247 from cloudflare/harris/EW-9722-clean-up-gates
This change fixes module resolution failures within the `.opencode` tools by adding a missing dependency. It enables the `.opencode` tools to function correctly, resolving a critical issue that prevented their use.
This change permanently applies an 8 KiB external memory adjustment to all subrequests (fetch, Cache API, etc.) within IoContext, removing previous conditional logic. This ensures consistent resource allocation for these operations across the system.
Merge pull request #6070 from cloudflare/harris/2026-02-13-fix-form-data-warning
This commit adds new tests to the `workerd` API test suite, specifically verifying the visibility of `logWarning()` messages in streaming tail workers. This is an isolated change to the test infrastructure, improving test coverage without affecting production code or behavior.
This fix significantly improves observability for the `workerd` runtime by ensuring `logWarning()` messages are correctly emitted to streaming tail workers and `--verbose` stderr. It resolves a silent warning suppression issue across various API modules, making previously hidden warnings visible.
This fix revives a critical warning in `workerd`'s HTTP body processing, ensuring that users are now correctly alerted when `FormData` is used with a custom `Content-Type` header. It also removes a problematic MIME type comparison operator, preventing potential future bugs in content type validation.
Affects all services utilizing concurrency-limited subrequests (e.g., fetch, KV, R2, Cache); centralizes and increases external memory adjustment when a specific autogate is enabled, impacting resource accounting and potential performance.
Merge pull request #6021 from cloudflare/harris/2026-02-05-jsg-try-catch
This is an isolated documentation update for the `jsg` module, clarifying the usage of `JSG_TRY` and `JSG_CATCH` for developers. It has no impact on runtime behavior or production systems.
This refactoring affects the internal exception handling of several Workerd API modules, migrating them to use new `JSG_TRY/JSG_CATCH` macros. This is an internal code consistency improvement with no expected change in external behavior or downstream impact.
This commit introduces new exception handling macros (JSG_TRY/JSG_CATCH) within the JSG subsystem, providing a cleaner syntax for converting JavaScript and KJ exceptions to `jsg::Value`. This is a significant new capability that improves developer experience for JSG code and lays the groundwork for future coroutine support.
This commit **updates the documentation** by adding a new entry to the **Workers release notes**. Specifically, it records the **V8 version 14.5 update** in the `src/content/release-notes/workers.yaml` file. This **maintenance task** ensures that users are informed about the underlying engine changes affecting the **Workers platform**. The update provides transparency regarding the platform's evolution and is a crucial part of the **release process**.
Merge pull request #5952 from cloudflare/jasnell/sockets-close-fix-mabe-take-2
Affects `workerd` services utilizing `fetch()`; this change, controlled by an autogate, increases the estimated external memory overhead for `fetch()` operations, leading to more accurate memory accounting and potentially improved resource stability.
Merge pull request #5625 from cloudflare/osilva/WOR-1047
Merge pull request #5499 from cloudflare/harris/2025-11-11-compatibility-date-lint
Commit activity distribution by hour and day of week. Shows when this developer is most active.
Developers who frequently work on the same files and symbols. Higher score means stronger code collaboration.