Jake Bailey
90d · built 2026-09-08
Performance
What Jake Bailey shipped in the selected window, measured in ETV, and how it compares with the 90 days before it.
Effective capacity
−0.7engineers
delivers like 0.3 (0.3x pre-AI)
Output (ETV)
19.8ETV
−58.1% vs 47.2 prior
Features share
25.7%
−11.3 pp vs prior window
Fixes share
26.0%
+11.2 pp vs prior window
Work mix
25.7% Features14.9% Maintenance32.3% Tests1.1% Docs26% Fixes
83 commits over 90 days, ending 2026-09-08.
Where this dev ranks
Percentile against the global top-100 leaderboard (all-time totals).
- By commits
- Top 33 %
- By Features share
- Top 95 %
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 | 75 | 21.3 |
| vscode | 1 | 0.1 |
Most impactful commits
Top 10 by ETV in the last 90 days.
- 1.9ETVMake LS checkers time out after being idle, segment based on use (take 2) (microsoft/typescript-go#3435)github.com-microsoft-TypeScript · a3639032 · 2026-06-12
- 1.7ETVFix a slew of UTF-8/UTF-16 related issues (microsoft/typescript-go#4181)github.com-microsoft-TypeScript · 4c7b39c2 · 2026-06-10
- 1.5ETVUse package.json locations for build up-to-date checks (microsoft/typescript-go#4301) Co-authored-by: Sheetal Nandi <shkamat@microsoft.com>github.com-microsoft-TypeScript · 81d6a3fc · 2026-06-29
- 1.3ETVAdd JSDoc snippet completions, respect missing settings (microsoft/typescript-go#4505)github.com-microsoft-TypeScript · e1c43d0d · 2026-07-02
- 1.2ETVFix deprecated contextual property memory regression (microsoft/typescript-go#4825)github.com-microsoft-TypeScript · 19e535a6 · 2026-08-12
- 1.1ETVNew extension layout (microsoft/typescript-go#4489)github.com-microsoft-TypeScript · f7e11f7f · 2026-07-06
- 1.0ETVFix fswatch coalescing (microsoft/typescript-go#4495)github.com-microsoft-TypeScript · edd495a2 · 2026-07-01
- 0.9ETVSplit heritage clause expression and type nodes (microsoft/typescript-go#4797)github.com-microsoft-TypeScript · 56244ebe · 2026-08-11
- 0.8ETVReduce code size of lsproto package, use JSON roundtripping in fourslash (microsoft/typescript-go#4471)github.com-microsoft-TypeScript · 19900d1a · 2026-06-30
- 0.7ETVUse shared FSEvents streams (microsoft/typescript-go#4447)github.com-microsoft-TypeScript · e4c63ed0 · 2026-06-26