Andrew Branch
90d · built 2026-09-30
Performance
What Andrew Branch shipped in the selected window, measured in ETV, and how it compares with the 90 days before it.
Effective capacity
+1.3engineers
delivers like 2.3 (2.3x pre-AI)
Output (ETV)
53.2ETV
+148.0% vs 21.4 prior
Features share
52.0%
−10.0 pp vs prior window
Fixes share
7.3%
−0.1 pp vs prior window
Work mix
52% Features10.7% Maintenance28% Tests2.1% Docs7.3% Fixes
44 commits over 90 days, ending 2026-09-30.
Where this dev ranks
Percentile against the global top-100 leaderboard (all-time totals).
- By commits
- Top 90 %
- By Features share
- Top 5 %
Daily performance
Daily ETV, stacked by Features, Maintenance, Tests, Docs and Fixes.
Repository spread
Where this developer's commits land. Concentrated work (top1 > 80%) vs polymath spread (top1 < 30%).
| Repo | Commits | ETV |
|---|---|---|
| TypeScript | 45 | 54.5 |
Most impactful commits
Top 10 by ETV in the last 90 days.
- 23.9ETVContent mappers (microsoft/typescript-go#4712) Co-authored-by: Michael Arnaldi <michael.arnaldi@effectful.co>github.com-microsoft-TypeScript · 57791fb7 · 2026-08-19
- 3.5ETVReplace `api.updateSnapshot` (#64204) Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>github.com-microsoft-TypeScript · 898322c5 · 2026-09-17
- 2.8ETVContent mappers round 2 (#63936)github.com-microsoft-TypeScript · d6c4afdd · 2026-08-21
- 2.8ETV[api] Provide module resolution overrides (#64299) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>github.com-microsoft-TypeScript · 6492ef89 · 2026-09-23
- 2.7ETV[api] Make binder-produced symbols owned by SourceFiles in the client, like the server and 6.0 (#64518)github.com-microsoft-TypeScript · e8c1ac16 · 2026-09-29
- 1.6ETVDecouple snapshot ownership from project.Session so api.Session only uses one in LSP mode (#64163)github.com-microsoft-TypeScript · 45e8f87b · 2026-09-04
- 1.4ETV[api] Improve callback FS (#64447) Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>github.com-microsoft-TypeScript · 192ede8d · 2026-09-29
- 1.4ETV[api] Parse tsconfig plugins for external error reporting, expose MappedType properties (#64397)github.com-microsoft-TypeScript · 1878c5e3 · 2026-09-23
- 1.3ETV[api] Add option to collect timing info (microsoft/typescript-go#4512)github.com-microsoft-TypeScript · 4779a644 · 2026-07-02
- 1.1ETV[api] Give standalone created files a tracked identity and incorporate with the parse cache (#64434)github.com-microsoft-TypeScript · ce582a72 · 2026-09-24