Pinecone change history: Intermittent unavailability across all environments for some indexes

Pinecone reported a major incident causing intermittent unavailability for some indexes across all environments, starting at 2026-01-02 16:31 UTC. A fix was implemented by 01-02 17:18 UTC, and the incident was resolved at 2026-01-02 17:58 UTC; the reported duration was 1 h 26 min.