Agent Breaking Changes_

← OpenCode

OpenCode v1.18.23

2026-08-25 · official notes

Summary

• Fixed Cloudflare AI Gateway routing for third-party providers so non-Workers models work through the gateway's REST API. (@superhighfives)
• Fixed Anthropic models through Cloudflare AI Gateway by converting dotted model IDs like claude-haiku-4.5 to the dashed slug Anthropic expects. (@superhighfives)
• Fixed parent session IDs being sent in request headers for session-aware providers.

Full notes

## Core

### Bugfixes

- Fixed Cloudflare AI Gateway routing for third-party providers so non-Workers models work through the gateway's REST API. (@superhighfives)
- Fixed Anthropic models through Cloudflare AI Gateway by converting dotted model IDs like `claude-haiku-4.5` to the dashed slug Anthropic expects. (@superhighfives)
- Fixed parent session IDs being sent in request headers for session-aware providers.

## TUI

### Bugfixes

- Fixed GitHub auth for immutable OIDC subject tokens.

**Thank you to 1 community contributor:**
- @superhighfives:
  - fix(provider): send Anthropic's dashed native slug through the AI Gateway (#44281)
  - fix(provider): route non-native Cloudflare AI Gateway providers via the REST API (#44828)