Agent Breaking Changes_

← OpenCode

OpenCode v1.18.33

2026-09-28 · official notes

Summary

• Cloudflare AI Gateway models now honor provider response and stream timeouts. (@danlapid)
• MCP browser launch failures are now reported when the launcher exits immediately.
• Debug configuration output now redacts credentials and sensitive headers.

Full notes

## Core

### Bugfixes
- Cloudflare AI Gateway models now honor provider response and stream timeouts. (@danlapid)
- MCP browser launch failures are now reported when the launcher exits immediately.
- Debug configuration output now redacts credentials and sensitive headers.
- Gemini thinking defaults and effort options now match the supported controls across model generations. (@markmcd)

**Thank you to 5 community contributors:**
- @dc85:
  - docs(web): add Claude Opus 5.5, GPT 6 Sol, and GPT 6 Luna to Zen (#50708)
- @vglafirov:
  - maint(gitlab): bump gitlab-ai-provider to 6.16.0 (#50742)
- @markmcd:
  - fix(gemini): switch thinking default logic (#50841)
- @remorses:
  - docs(web): link kimaki to product website (#49735)
- @danlapid:
  - fix(opencode): apply provider timeouts to Cloudflare AI Gateway models (#51549)