Fastify is the fast, open source Node.js web framework that focuses on low-performance overhead, an excellent developer experience, and a flexible plugin architecture.
Key updates include:
1. Better support for Typescript
2. Ability to embed Express (for reusing custom modules/libraries)
3. Simplified validation support with schema references
Read about all the details on the Fastify Blog, and hear it directly from Matteo Collina, one of the Lead Maintainers of the Fastify team, Technical Director at NearForm, Node.js Technical Steering Committee member and OpenJS Foundation Cross Project Council member.