The Path to Components - WebAssembly System Interface Evolution

The talk traces the move from WASI Preview1’s POSIX-inspired design to a component model intended to support portable, composable WebAssembly modules. It presents examples of proposed WASI interfaces and discusses incremental adoption.

Syllabus

Introduction
MVP
Portable Interface
System Interface
Posix
Why are people putting WASM into production
Linking via the file system
Parametric Linking
Complex Data
Value Types
File Describing
Resource and Handle Types
Low Level Concurrency
Future Streams
Components OMG
The Developer Experience
Worlds
Virtualization
The Big Picture
Status