# What broke on 2026-10-27

- Incidents: 101 at 41 providers; major outages: 4
- Downtime: 2d 3h

## Worst
- **Salesforce**: [coreService Disruption on USA1226S, USA1228S, USA1230, USA1232](https://down.guide/salesforce/DWN-37a26ba1db) (Major outage; lasted 5h 3m; started 2026-10-27 20:59 UTC; coreService; usa1226s, usa1228s, usa1230, usa1232)
- **Anthropic**: [Elevated errors for Claude Sonnet 5.5](https://down.guide/anthropic/DWN-80f110f244) (Partial outage; lasted 42m; started 2026-10-27 09:14 UTC; claude.ai, Claude API (api.anthropic.com), Claude Code +1)
- **Anthropic**: [Elevated errors for Claude Sonnet 5.5](https://down.guide/anthropic/DWN-3eb522fd21) (Partial outage; lasted 41m; started 2026-10-27 15:09 UTC; claude.ai, Claude API (api.anthropic.com), Claude Code +1)
- **Grafana Cloud**: [Frontend Observability Outage in prod-eu-west-2](https://down.guide/grafana-cloud/DWN-a6ca2f954c) (Major outage; lasted 28m; started 2026-10-27 15:56 UTC; AWS Germany - prod-eu-west-2; eu, eu-west-2)
- **Axiom**: [Elevated errors from queries](https://down.guide/axiom/DWN-d3c4fa6359) (Partial outage; lasted 2h 4m; started 2026-10-27 15:58 UTC; us)
- **Salesforce**: [Communities Degradation on USA9002, USA9004S, USA9006S, USA9008…](https://down.guide/salesforce/DWN-2e78b68d89) (Degraded; lasted 8d 14h; started 2026-10-27 19:00 UTC; Communities; usa9002, usa9004s, usa9006s, usa9008)
- **Salesforce**: [Communities Degradation on ARE12, AUS84, CHE6, CHE12…](https://down.guide/salesforce/DWN-2035e5ec55) (Degraded; lasted 8d 10h; started 2026-10-27 19:00 UTC; Communities; are12, aus84, che6, che12)
- **Salesforce**: [Communities Degradation on CS237, CS239, CS240, CS241…](https://down.guide/salesforce/DWN-b55f8456c7) (Degraded; lasted 8d 9h; started 2026-10-27 19:00 UTC; Communities; cs237, cs239, cs240, cs241)
- **Salesforce**: [Communities Degradation on BRA28, BRA30, BRA36, BRA44…](https://down.guide/salesforce/DWN-4bc543c624) (Degraded; lasted 8d 7h; started 2026-10-27 19:00 UTC; Communities; bra28, bra30, bra36, bra44)
- **Salesforce**: [Communities Degradation on BRA16, BRA50, CAN80, USA26…](https://down.guide/salesforce/DWN-6374a54f5d) (Degraded; lasted 8d 6h; started 2026-10-27 19:00 UTC; Communities; bra16, bra50, can80, usa26)

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