Agent Breaking Changes_

← OpenCode

OpenCode v1.19.0

2026-10-11 · official notes

Summary

• Improvements
• Run opencode upgrade --major to upgrade to OpenCode 2.
• Allow the OpenAI ultrafast service tier.

Full notes

## Core

### Improvements
- Run `opencode upgrade --major` to upgrade to OpenCode 2.

### Bugfixes
- Allow the OpenAI `ultrafast` service tier.
- Validate PTY connection origins and tickets before checking whether a PTY exists.

## TUI

### Improvements
- Use `/update` to install OpenCode updates or upgrade to OpenCode 2; updates are no longer installed automatically.

**Thank you to 1 community contributor:**
- @dc85:
  - docs(web): add Exo Free to Zen docs (#53622)
  - fix(stats): attribute exo usage to an unknown provider (#53621)
  - docs(web): remove Fledge Alpha Free from Zen docs (#53984)