Agent Breaking Changes_

← OpenCode

OpenCode v1.18.34

2026-09-30 · official notes

Summary

• Send namespaced session and parent-session identity headers with model requests.
• Re-sign locally compiled macOS binaries so they run reliably on macOS 27+. (@ryangamerdev)
• Sign macOS CLI release binaries with a Developer ID.

Full notes

## Core

### Bugfixes
- Send namespaced session and parent-session identity headers with model requests.
- Re-sign locally compiled macOS binaries so they run reliably on macOS 27+. (@ryangamerdev)
- Sign macOS CLI release binaries with a Developer ID.

**Thank you to 3 community contributors:**
- @dc85:
  - docs(web): correct GPT 6.1 Sol cache pricing (#52176)
- @metal-huang:
  - fix(tui): use path.sep for plugin name extraction in /status dialog (#52328)
- @ryangamerdev:
  - fix(opencode): ad-hoc re-sign darwin binaries after local compile (#52183)