OpenCode v1.17.8

OpenCode v1.17.8 was released on .

Summary

Core Improvements - Session timelines load much faster and avoid flicker or scroll jumps. Bugfixes - OpenAI-compatible providers now accept MCP tool schemas that previously failed validation. (@jqu...

Release Context

  • This was the 148th OpenCode release of 2026 tracked by Havoptic.
  • It shipped 3 days after OpenCode v1.17.7 (June 14, 2026).

Shipped around the same time

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Release Notes

Core Improvements - Session timelines load much faster and avoid flicker or scroll jumps. Bugfixes - OpenAI-compatible providers now accept MCP tool schemas that previously failed validation. (@jquense) - Cloudflare AI Gateway now receives the configured API key correctly. (@keefetang) - MCP tools without declared schema properties now work with providers that expect object properties. - Long-running MCP tools now keep their timeout alive when they report progress. (@Nomadcxx) - The MCP OAuth callback server now shuts down once authorization finishes or is cancelled. - MCP tool failures now surface the server's error text instead of a generic failure. - MCP OAuth error pages now escape provider error text correctly. Desktop Improvements - Added a Home tab toggle so you can quickly switch between Home and your last tab. - The new desktop file and folder picker is faster and easier to navigate in the v2 layout. Thank you to 3 community contributors: - @Nomadcxx: - fix(mcp): enable progress timeout resets (32477) - @keefetang: - fix(provider): pass apiKey to createUnified for Cloudflare AI Gateway (32052) - @jquense: - fix(opencode): sanitize OpenAI MCP tool schemas (32489)

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