# The Down Index, 2026-W25

The week's worst incidents, scored 0-100 (impact 30, breadth 20, duration 15, reach 20, acknowledgement 15). [Methodology](https://down.guide/rankings/methodology).

1. **56** Anthropic: [Elevated errors for Claude Opus 4.8](https://down.guide/anthropic/DWN-2d16db588b) (Partial outage, 1h 13m)
2. **53** Grafana Cloud: [Loki data source-managed alert rules not visible in the Grafana Cloud Alerting UI](https://down.guide/grafana-cloud/DWN-ada8bf6740) (Partial outage, 17h 51m)
3. **52** Anthropic: [Elevated errors on Claude Opus 4.8](https://down.guide/anthropic/DWN-0a5ffbd6b5) (Degraded, 2h 36m)
4. **51** Anthropic: [Elevated errors on Claude Sonnet 4.6 and Opus 4.8](https://down.guide/anthropic/DWN-faafaba990) (Degraded, 2h 3m)
5. **51** Jira: [Jira : Incoming emails partial outage](https://down.guide/jira/DWN-e5f818cec6) (Partial outage, 6d 6h)
6. **50** Anthropic: [Elevated errors for Claude Opus 4.8](https://down.guide/anthropic/DWN-06be20c92a) (Degraded, 1h 29m)
7. **50** Anthropic: [Elevated errors for Claude Opus 4.8](https://down.guide/anthropic/DWN-d81c7bd84b) (Degraded, 1h 39m)
8. **50** Anthropic: [Elevated errors for Claude Opus 4.8](https://down.guide/anthropic/DWN-86e9ba9bbf) (Degraded, 1h 10m)
9. **49** GitHub Copilot: [Incident with Copilot Availability](https://down.guide/github-copilot/DWN-2135d013d5) (Major outage, 54m)
10. **49** Anthropic: [Elevated errors for Claude Opus 4.8](https://down.guide/anthropic/DWN-5213cfb2db) (Degraded, 54m)
11. **49** Elastic Cloud: [Issues with creating/updating Deployments in several regions](https://down.guide/elastic-cloud/DWN-c38b7ccf45) (Partial outage, 1h 43m)
12. **49** Grafana IRM: [Issues with actions in the Grafana IRM mobile app](https://down.guide/grafana-oncall/DWN-2b15f172ec) (Partial outage, 1h 49m)
13. **49** Anthropic: [Opus 4.8 errors](https://down.guide/anthropic/DWN-a46c31bab6) (Degraded, 55m)
14. **48** Anthropic: [Elevated error rates on the Claude API](https://down.guide/anthropic/DWN-6bb9d10f65) (Degraded, 28m)
15. **47** Slack: [Trouble submitting workflow forms with file attachments on Android.](https://down.guide/slack/DWN-76eb9eb5cc) (Degraded, 6d 4h)
16. **47** Anthropic: [Elevated errors across many models](https://down.guide/anthropic/DWN-714b528f22) (Degraded, 2h 3m)
17. **45** Snowflake: [INC20000034](https://down.guide/snowflake/DWN-2b5246643a) (Major outage, 1d 6h)
18. **45** Slack: [Trouble loading SSO configuration settings for some workspace admins](https://down.guide/slack/DWN-7b081e4e7d) (Degraded, 5h 41m)
19. **45** Maven Central (Sonatype): [search.maven.org is down](https://down.guide/maven-central/DWN-46a9715eef) (Major outage, 1h 53m)
20. **44** Anthropic: [Service disruption on Claude services](https://down.guide/anthropic/DWN-9d17112021) (Partial outage, 38m)
21. **44** Maven Central (Sonatype): [search.maven.org is down](https://down.guide/maven-central/DWN-f7f6e29f17) (Major outage, 1h 7m)
22. **43** Grafana Cloud: [Degraded k6 cloud UI performance](https://down.guide/grafana-cloud/DWN-795bd4d6d0) (Major outage, 4h 56m)
23. **42** Pinecone: [Some initial queries to infrequently read namespaces incorrectly returning empty results](https://down.guide/pinecone/DWN-cc88cc2846) (Degraded, 8h 23m)
24. **42** Maven Central (Sonatype): [search.maven.org is down](https://down.guide/maven-central/DWN-a7619db6f3) (Major outage, 32m)
25. **41** Maven Central (Sonatype): [search.maven.org is down](https://down.guide/maven-central/DWN-aca1312ab8) (Major outage, 20m)

Previous week: https://down.guide/rankings/2026-W24; next week: https://down.guide/rankings/2026-W26

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