All issues

Performance Megathread - Is your workflow run slow? Look here first
#1930 · VaguelySerious opened on May 5, 2026
27

TTLS: drop the blocking runs.get from the queued-step consumer prologue (carry run context on the dispatch message)

#3456

· TooTallNate opened

on Aug 11, 2026

TTLS: fan-out completion checks are O(N²) event-log loads — return a pending-step count on step-terminal writes

#3455

· TooTallNate opened

on Aug 11, 2026

Dev: generated route.js is rewritten with identical content on every compile, thrashing the webpack watcher

#3451

· AaronRutley opened

on Aug 11, 2026

[Security Hardening] Unstable express@5.2.1 dependency and leaked test artifacts

#3448

· Sujal411 opened

on Aug 11, 2026

`inspect runs --status` filter is ignored by the Vercel backend (`/v2/runs?status=` returns unfiltered results)

#3446

· ethanniser opened

on Aug 11, 2026

[core] event-log-race-repro cannot classify a corruption: errorMessage is empty on world-vercel

#3418

· VaguelySerious opened

on Aug 10, 2026

[core] Parked-chain delivery order across drain windows relies on unpinned safety-net FIFO

#3415

· VaguelySerious opened

on Aug 10, 2026

Stream writes carry no idempotency key, so a retried step re-appends its chunks

#3387

· fantix opened

on Aug 7, 2026

On Vercel, workflow runs never complete or appear in the dashboard: queue handler and run-event reporting fail with "TypeError: fetch failed → Cannot read private member #u" (Next 16 / Turbopack build)

#3373

· MikMurphy opened

on Aug 6, 2026

Decorators in a workspace package fail to parse after 4.5.0 (SWC transform failed: Expression expected)

#3356

· caleblehman-robosource opened

on Aug 5, 2026

Static Markdown imports fail in Workflow SDK bundles

#3353

· MaxSvargal opened

on Aug 5, 2026

webhookWorkflow times out on '- stable' local e2e lanes: run stalls in 'running' after all hooks received

#3317

· pranaygp opened

on Aug 4, 2026