# blog · release

Tagged # release.

Sep 6, 2026

FastAgent 0.21: service embedding, session control, and AgentCore

What ships in FastAgent 0.21: whole-service embedding, session management, custom model endpoints, AWS Bedrock AgentCore, and simpler Slack credentials.

Jul 10, 2026

FastAgent is now open source

FastAgent turns an existing agent directory into a live service without asking you to rewrite it into a new framework.