Changelog
octo’s changelog is the GitHub Releases page — each release’s notes are generated from commit history, grouped into Features / Bug fixes, with Breaking callouts on any Stable-surface change (see Compatibility):
github.com/open-octo/octo-agent/releases
Prebuilt binaries for Linux, macOS, and Windows are attached to every release. octo upgrade
installs the latest one in place; octo upgrade --check only compares versions.