Peter Wielander
90d · built 2026-09-30
Performance
What Peter Wielander shipped in the selected window, measured in ETV, and how it compares with the 90 days before it.
Effective capacity
+2.9engineers
delivers like 3.9 (3.9x pre-AI)
Output (ETV)
56.3ETV
+118.0% vs 25.8 prior
Features share
22.4%
+0.4 pp vs prior window
Fixes share
17.4%
−4.1 pp vs prior window
Work mix
22.4% Features5.1% Maintenance42.5% Tests12.5% Docs17.4% Fixes
115 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 74 %
- By Features share
- Top 72 %
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%).
Most impactful commits
Top 10 by ETV in the last 90 days.
- 4.0ETVWorld-side incrementing event ID (specVersion 6) (#3389)github.com-vercel-workflow · 6786db99 · 2026-08-11
- 2.8ETV[nest] Harden the NestJS integration for production (#3695) Co-authored-by: Karthik Kalyanaraman <karthik.kalyanaraman@vercel.com>github.com-vercel-workflow · 5a05f409 · 2026-09-16
- 1.8ETVfix(core): batch stream writes via writeMulti (#2995)github.com-vercel-workflow · 6353c8c6 · 2026-07-20
- 1.8ETV[world] Add WORKFLOW_NODE_HTTP to run the HTTP Worlds on node:http (#3461)github.com-vercel-workflow · 04e060a0 · 2026-08-18
- 1.7ETV[core] Gate event creation on the loaded event count and restart replays in-process (#3145)github.com-vercel-workflow · 1471f252 · 2026-07-31
- 1.4ETVfix(core): stamp cross-deployment runs with the target deployment's spec version (#4327) `start({ deploymentId })` targeting another deployment stamped the run with the caller World's spec version, even though the target executes it. Resolve it from the capability probe `start()` already awaits, capped at the caller World's version; on a probe miss fall back to the lowest version the runtime serves rather than the caller's. Redirected `recreateRunFromExisting` replays no longer pin the source run's versiongithub.com-vercel-workflow · c0aad6d0 · 2026-09-25
- 1.4ETV[core] Add a retention option to start() (#3787)github.com-vercel-workflow · 61fb1f93 · 2026-09-08
- 1.3ETV[world] Guard hook_received against a concurrent run termination (#2987)github.com-vercel-workflow · 850777a0 · 2026-07-21
- 1.3ETV[docs] v5 changes docs: what's new, world upgrade guide, migration skills (#3100)github.com-vercel-workflow · b3dbc6d2 · 2026-08-21
- 1.2ETV[core] Pin draw order to event-log order: retire delivery barriers through one ordered dispenser (#3554)github.com-vercel-workflow · 707dfe6a · 2026-08-18