Launch Week: Pinecone for agents, search, recommendations, and more

This post announces several updates: 1. Optimizations for agentic workloads, including adaptive indexing with log-structured merge trees and support for millions of namespaces. It also highlights performance improvements for search and recommendations with enhanced metadata filtering and high-performance sparse indexing, claiming 4x query throughput and 1/8th latency. 2. Introduction of Backup and Restore APIs for programmatic management of serverless index backups. 3. Public preview of the Admin API and Service Accounts for programmatic creation and management of projects and API keys. 4. Public preview of Audit Logs, initially shipping to S3, providing visibility into user and API activities.