Changelog

Chat SDK now supports WhatsApp, extending its single-codebase approach to Slack, Discord, GitHub, Teams, and Telegram with the new WhatsApp adapter.

Web Analytics and Speed Insights now use resilient intake to improve data collection reliability for all teams.

Chat SDK now supports PostgreSQL as a state backend, joining Redis and ioredis as a production-ready option with the new @chat-adapter/state-pg package.

Vercel Sandbox now supports creating Sandboxes with only 1 vCPU and 2 GB of RAM, down from the previous minimum of 2 vCPUs and 4 GB of RAM.

Browse official, vendor, and community adapters for Chat SDK in the new adapter directory, or build your own and submit it.

Responses API is now supported on Vercel AI Gateway, with no other provider accounts required and no markup on inference cost.

Chat SDK now renders tables natively across all platform adapters and converts markdown to each platform's native format during streaming.

v0 API now supports custom MCP servers. The v0 API now supports connecting to any custom MCP server.