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Wikitobyincidents_inboxtoby/incidents/_inbox/2026-05-13-toby-14-ship-the-blank-extension-page-reliability-hotfix.md

Ship the blank-extension-page reliability hotfix

Hand-authored·2 min read·7 sections·Last edited May 13 by initial import·View history
TL;DR

Bridged from ticket **TOBY-14** on 2026-05-13 via the `needs-warroom` label. The coordinator should treat this file as the complaint of record; the source ticket is authoritative for status (see `aios_tickets_record_attempt` at end of run).

Symptom / observation

Symptom

Toby's new-tab page hangs on a blank screen with infinite load. Top of the CWS-reviews complaint surface in April 2026 (~3 user reports + recurring "blank extension page" + "frustrating onboarding" mentions). Compass anchor #1 (reliability) is at risk; this is the highest-ICE bet in the queue and the most-cited cause of the 4-week signup decline (-60.8% YoY).

What's already done

The diagnosis + fix are CLOSED as of 2026-05-11. Full canonical incident doc: toby/incidents/2026-05-11-blank-extension-page.md — verdict: validated, confidence: high.

  • Root cause: unbounded chrome.storage.local.get callback in apps/extension/app/state/accessors/user.tsx:45-50, made user-visible by commit d68726b29 (2026-04-09 — the AuthWrapper hydration-gate change).
  • Backend is innocent: prod-api SHA stable since 2026-02-02, 0 5xx in last 24h, network-free hang path. NO prod-api redeploy needed.
  • Prior MV3-SW-boot-regression hypothesis was REFUTED by independent backend evidence — do not pursue it.

What's needed (the work this ticket tracks)

Ship the 3-layer frontend-only fix specified in the incident doc:

  1. Bound the storage reads with 5s timeouts that fail open — apps/extension/app/state/accessors/user.tsx:71 and apps/extension/app/hooks/useOnboarding2Draft.ts:12-30.
  2. StuckRecoveryScreen at 8s in apps/extension/app/containers/Toby.tsx:304 with pre-approved copy "Your tabs are safe. Tap to recover."
  3. NewTabHangShown telemetry beacon, default feature-flag on (validator concurred).

Non-blocking follow-ups (do NOT include in this PR — separate work): Layer-1 timeout for isInitializing, SW hardening trio, Layer-1 telemetry beacon. See the incident doc's "Follow-ups" section.

Done looks like

A PR open in axiomzen/toby-mono-repo against main with the 3-layer fix applied + the incident doc's verify plan passing (typecheck + the named Playwright + unit tests).

Linkage

Bet: reliability-blank-page-fix · OKR: O1 KR1 (due 2026-05-24) Incident doc: toby/incidents/2026-05-11-blank-extension-page.md Likely owner of the proximate commit: Jad (commit d68726b29).

Provenance

  • Source ticket: TOBY-14 (project toby)
  • Created by: human or unattributed
  • Original source_doc_path: toby/incidents/2026-05-11-blank-extension-page.md