Downrightnow
// Incident Post-MortemDRN-0258C931

Supabase outage on May 20, 2026

Minor severityResolved6h 1mCloud
Started · UTC
May 20, 09:04 PM
2d ago
Resolved · UTC
May 21, 03:05 AM
2d ago
Duration
6h 1m
End-to-end
Peak confidence
45.00
68 snapshots
// User impact

Supabase users likely saw failed connections, degraded availability, or session instability for this Cloud service. The incident reached Minor severity and lasted 6h 1m. The stored report window does not show a preserved user-report spike.

// What happened

Supabase's official status page is reporting a minor disruption and partially degraded service, with identified issues regarding network restrictions for read replica communication and access problems from some providers in Brazil. Outside of these specific database and regional connectivity issues, Downrightnow’s checks show DNS is resolving normally and user reports remain quiet. Several scheduled maintenances are also planned for Connection Pooler upgrades across multiple regions including us-east-1, us-west-1, and Europe starting in late May.

Cached · Thu, May 21, 2026, 03:06 AM UTC · scope: this incident

// Timeline
  1. Status changed to Operational

    The stored readout moved to Operational with confidence 75.00.

  2. Peak confidence reached

    Confidence peaked at 75.00 while the service was marked Operational.

  3. Incident detected

    Minor confidence crossed the incident threshold for Supabase: network restrictions preventing read replica communication.

  4. Status changed to Degraded Performance

    The stored readout moved to Degraded Performance with confidence 34.00.

  5. Marked resolved

    The incident was closed after 6h 1m of observed impact.

// Signals by source0 sources

No per-source signal payloads were preserved in this incident's snapshot window.

// Aggregate evidence

Confidence scoring

45.00

The incident reached 45.00 peak confidence across 68 stored status snapshots.

User reports

0 / 15m

No elevated user-report volume was preserved in the incident window snapshots.

Status samples

0 affected

The incident row exists, but the bounded snapshot window does not include affected status samples.

Recovery signal

Resolved

Recovery was recorded at Thu, May 21, 2026, 03:05 AM UTC.