OpenCode 1.18.20

Released Aug 21, 2026 · official source

Safe to upgrade? Not enough data

Next release shipped 7h later; window too short to judge.

Surface failed subagent tool calls with a resumable task_id.
Retry provider responses that end with finish_reason: network_error.
Retry more network error variants, including network-error and network_error.
Surface resumable subagent failures instead of returning an empty result.
Preserve Cerebras max_completion_tokens without applying an extra output cap.
Answer permission requests triggered by subagents during opencode run.
Retry xAI capacity and temporary unavailability stream errors.