Sentry change history: EU Region Error, Attachment, and Feedback latency

Sentry reported a critical EU-region incident causing high ingestion latency for errors, attachments, and feedback from 2026-07-20 11:11 UTC to 2026-07-20 16:57 UTC, lasting 5 h 46 min. Sentry implemented an attachment ingestion fix and cleared attachment and error backlogs; latency returned to normal across all event types.