The reference docs detail how to use the logging APIs and the viewer.
Types
Archetypes, components, and datatypes
Viewer
The Rerun Viewer UI
CLI manual
Command-line interface reference
Python APIs
Python SDK reference
Rust APIs
Rust SDK reference
C++ APIs
C++ SDK reference
Web Viewer API
JavaScript/TypeScript web viewer API
Changelog
release notes and breaking changes for each version
Migration guides
upgrading from versions before 0.34