Cayu is a production-grade Python framework for building domain-specific AI agents with full lifecycle control, including context assembly, tool invocation, durable state management, and human oversight. Extracted from a software factory that deployed thousands of applications using specialized AI agents, Cayu addresses production challenges like process failures, state persistence, and cost attribution that existing agent SDKs overlook.
Vapor 5 Beta was announced 10 years after Vapor 1.0, featuring a complete framework rewrite with async/await support, a new HTTP server built on Swift HTTP Server, streaming-first request/response bodies, and integration with Swift Configuration and HTTP Types. The beta requires Swift 6.4 and includes known issues with compression and WebSocket support.