OpenCode v1.18.17 and v1.18.18 ship provider routing and reliability fixes

SST

Tools official 1 src. ~1 min

SST's OpenCode shipped v1.18.17 (Aug 12) and v1.18.18 (Aug 13), fixing the Kimi system prompt for Moonshot/Kimi providers, xhigh reasoning effort on xAI models, DeepSeek V4 Flash sampling defaults, session-compaction quality for smaller models, and enabling PDF vision attachments for GitHub Copilot models.

Why it matters

Coding-agent priority item: incremental reliability and model-routing fixes for OpenCode's multi-provider CLI/desktop app.

Importance: 1/5

Patch-level bugfix release with no major feature additions.

Sources