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Supersedes 0070. WCAG 2.2 AA from 0070 carries forward.

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Context

0070 (Proposed) named quality budgets without numbers. The owner’s answers TS16, TS17 and PP12 (mem L562, 2026-10-20) give the numbers and the accessibility process.

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Decision

  1. Bundle and vitals (TS17). The console entry JavaScript is 200 KB gzipped or less. A route chunk is 100 KB or less. LCP is 2.5 s or less, INP 200 ms or less, and CLS 0.1 or less. Mobile cold start is 2 s or less on an iPhone 12 or a Pixel 6a.
  2. Accessibility in tests (TS16). axe runs on every end-to-end journey, and fails on critical or serious findings. A manual pass runs per release train.
  3. Accessibility audits (PP12). An internal audit runs per release train. An external VPAT is produced before an enterprise or government deal.
  4. Standard. WCAG 2.2 AA (0070) carries forward.

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Consequences

  • A budget that is exceeded fails the build, so the number is a gate, not a guideline.
  • The VPAT is a sales deliverable, produced on demand, not on every release.

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Enforcement

planned — the bundle budget is a build check in the console; axe runs in the end-to-end tier (ADR 0182).

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Alternatives

  • Budgets without numbers: superseded.

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Supersedes and sources

Supersedes: 0070. Sources: owner answers TS16, TS17, PP12 (stackra-decisions-2026-10-19.md L562, 2026-10-20). Closes gap C22.