Andrew Branch
90d · built 2026-08-23
Performance
What Andrew Branch shipped in the selected window, measured in ETV, and how it compares with the 90 days before it.
Effective capacity
+15.7engineers
delivers like 16.7 (16.7x pre-AI)
Output (ETV)
43.1ETV
+96.1% vs 22.0 prior
Features share
55.6%
−1.2 pp vs prior window
Fixes share
7.9%
−0.3 pp vs prior window
Work mix
55.6% Features9.2% Maintenance25.1% Tests2.2% Docs7.9% Fixes
41 commits over 90 days, ending 2026-08-23.
Where this dev ranks
Percentile against the global top-100 leaderboard (all-time totals).
- By commits
- Top 94 %
- By Features share
- Top 9 %
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 | 41 | 43.1 |
Most impactful commits
Top 10 by ETV in the 90-day window.
- 23.9ETVContent mappers (microsoft/typescript-go#4712) Co-authored-by: Michael Arnaldi <michael.arnaldi@effectful.co>github.com-microsoft-TypeScript · 57791fb7 · 2026-08-19
- 2.8ETVContent mappers round 2 (#63936)github.com-microsoft-TypeScript · d6c4afdd · 2026-08-21
- 1.9ETV[API] use integer ids, look up node handles by visit-order index in file (microsoft/typescript-go#4185) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Co-authored-by: GitHub Copilot <copilot@github.com>github.com-microsoft-TypeScript · b4c4e8ef · 2026-06-03
- 1.3ETV[api] Add option to collect timing info (microsoft/typescript-go#4512)github.com-microsoft-TypeScript · 4779a644 · 2026-07-02
- 1.2ETVAllow LSP server to use builtin watcher on Windows and macOS (microsoft/typescript-go#4288) Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com> Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>github.com-microsoft-TypeScript · 0d0cfa52 · 2026-06-12
- 1.1ETV[api] Batch of improvements, fixes, and additions (microsoft/typescript-go#4493) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>github.com-microsoft-TypeScript · b2cf588f · 2026-06-30
- 1.0ETVAPI emit (microsoft/typescript-go#4699) Co-authored-by: Pier Fumagalli <pier@usrz.com> Co-authored-by: Titian Cernicova-Dragomir <tcernicovad1@bloomberg.net> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>github.com-microsoft-TypeScript · 5531ddd8 · 2026-07-24
- 0.8ETVExpose ImportAdder to IPC API (microsoft/typescript-go#3881)github.com-microsoft-TypeScript · 11ad4c9f · 2026-07-13
- 0.7ETVFix more return types that can’t actually be undefined (microsoft/typescript-go#4569)github.com-microsoft-TypeScript · 4c5ca65f · 2026-07-08
- 0.7ETV[api] Move language service methods into dedicated namespace (microsoft/typescript-go#4893)github.com-microsoft-TypeScript · 1f5064d2 · 2026-08-13