# Launch Checklist - Final Review

## v2.4 Release — Go/No-Go Criteria

**Owner:** Alex Chen
**Last updated:** 2026-04-09
**Status:** Ready for final review at go/no-go meeting

### Pre-Launch
- [x] All P0/P1 bugs resolved (tracker: ENG-2041 through ENG-2058)
- [x] Performance benchmarks passing (p99 < 200ms on /api/v3/*)
- [x] Load testing completed — 10k concurrent users sustained for 30min
- [x] Security audit signed off by AppSec team (report: SEC-2026-Q2-014)
- [x] Database migrations tested on staging (3 migrations, all reversible)
- [x] Feature flags configured for gradual rollout (5% → 25% → 100%)

### Infrastructure
- [x] CDN cache rules updated for new static assets
- [x] Auto-scaling policies reviewed (min 4, max 32 pods)
- [x] Monitoring dashboards updated (Grafana board: eng-v24-launch)
- [x] PagerDuty escalation policies confirmed with oncall rotation
- [x] Rollback runbook reviewed with oncall (runbook v2.4-rb-03)

### Communications
- [ ] Customer-facing changelog drafted
- [ ] Internal announcement in #engineering Slack
- [ ] Support team briefed on new features and known limitations
- [ ] Status page maintenance window scheduled (15:00-17:00 UTC)

### Post-Launch
- [ ] Smoke test production endpoints (/health, /api/v3/status)
- [ ] Monitor error rates for 2 hours post-deploy
- [ ] Confirm metrics pipeline receiving new event types
- [ ] Send go/no-go confirmation to stakeholders

### Rollback Criteria
- Error rate > 1% sustained for 5 minutes
- p99 latency > 500ms sustained for 10 minutes
- Any data integrity issue detected

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*This checklist supersedes the draft in Planning folder (Q2 Launch Checklist - Draft).*