Navigara

Josh Liebow-Feeser

90d · built 2026-09-30

top-100 contributor

Performance

What Josh Liebow-Feeser shipped in the selected window, measured in ETV, and how it compares with the 90 days before it.

Effective capacity

+41.4engineers

delivers like 42.4 (42.4x pre-AI)

Output (ETV)

66.2ETV

+773.4% vs 7.6 prior

Features share

66.1%

+14.0 pp vs prior window

Fixes share

2.3%

−2.3 pp vs prior window

Work mix

66.1% Features3.7% Maintenance1.6% Tests26.4% Docs2.3% Fixes

52 commits over 90 days, ending 2026-09-30.

Where this dev ranks

Percentile against the global top-100 leaderboard (all-time totals).

By total ETV
Top 64 %
By commits
Top 82 %
By Features share
Top 1 %

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%).

100.0 % of commits in zerocopy

Focused
RepoCommitsETV
zerocopy4866.2

Most impactful commits

Top 10 by ETV in the last 90 days.