Navigara

github.com-microsoft-TypeScript

all · 7 devs · built 2026-06-13

Repository snapshot

Performance · 90d

0.6ETV

−22.0% since Q2 2025

ETV / dev / mo

0.2ETV

2 devs · 30-day window

Last 7 days · per dev

0.3ETV

per developer per week

Work mix

Growth7%· 2.1Maintenance70%· 20.2Fixes23%· 6.5
28.7 ETV all-time175 commits7 all-time devsJan 2025 – Jun 2026

Monthly reports

  • Highlights

    • Minor fixes were applied to *library definitions*, specifically addressing a misleading `maxLength` parameter in string padding methods [f3d39680 · Spencer Young].
    • Formatting was corrected in *internationalization type definitions* (`es2020.intl.d.ts`) via [pr/63489] and [e5509e21 · Victor Turansky].
    • *Contributor guidelines* were updated in `CONTRIBUTING.md` to expand policies on AI assistance and agent-driven contributions [pr/63490], [5678c60a · Ryan Cavanaugh].
    • A typo in the main `README.md` was corrected from 'behavorial' to 'behavioral' [pr/63492], [0105bbb6 · EG].

    Observations

    • Commit volume for May 2026 was exceptionally low at 5 commits, representing a -77% decrease compared to the 5-month average of 22 commits.
    • All development metrics (Grow, Maintenance, Waste) recorded a score of 0 for the month, a -98% decrease in total output compared to the 5-month average of 2.
    • The absence of any grow or maintenance scores suggests a period with no new feature development, significant refactoring, or active bug fixing that would typically register in these metrics.
    • The activity was almost exclusively focused on minor documentation updates and small, isolated fixes, as seen in [5678c60a · Ryan Cavanaugh] and [0105bbb6 · EG].
    • The waste score remained at 0, a -100% decrease from the 5-month average of 1, indicating no reverted or significantly refactored changes during this period of minimal activity.

Performance over time

ETV stacked by Growth, Maintenance and Fixes.

Average performance per developer

ETV per active developer per month.

Active developers over time

Unique developers committing each day.

Knowledge concentration

How dependent is this repo on a small number of contributors? Higher top-1 share = higher key-person risk.

Top 1
33.7 %
Top 3
76.6 %
Top 5
92.0 %

Mateusz Burzyński owns 33.7 % of commits.

Top contributors

Most impactful commits

Top 20 by ETV in the all-time window.