Chat SDK adds PostgreSQL state adapter (opens in new tab)

**Published:** March 10, 2026 | **Authors:** Hayden Bleasel, Ben Sabic --- Chat SDK now supports PostgreSQL as a state backend, joining Redis and ioredis as a production-ready option with the new PostgreSQL adapter. Teams that already run PostgreSQL can persist subscriptions, distributed locks, and key-value cache state without adding Redis to their infrastructure. **Try the PostgreSQL state adapter today:** ```typescript import { Chat } from "chat"; import { createPostgresState } from "...