OpenCode v1.18.5

OpenCode v1.18.5 was released on .

Summary

Core Bugfixes - Improve Claude adaptive thinking handling across more response shapes. - Avoid OpenAI Responses phase handling that could break some conversations. - Preserve grep symlink paths in...

Release Context

  • This was the 166th OpenCode release of 2026 tracked by Havoptic.
  • It shipped 4 days after OpenCode v1.18.4 (July 20, 2026).

Shipped around the same time

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Release Notes

Core Bugfixes - Improve Claude adaptive thinking handling across more response shapes. - Avoid OpenAI Responses phase handling that could break some conversations. - Preserve grep symlink paths in search results. (@remixz) - Preserve Mistral reasoning history across turns. - Stabilize Mistral prompt caching. - Use the correct prompt cache keys for each SDK. - Fix MiniMax M3 thinking variant selection. Desktop Improvements - Support the current server terminal transport. - Support current-server review data in the desktop app. - Update server discovery flows for current servers. - Support current-server session actions, including prompts and commands. - Render current-server session timelines. - Stream current-server events in the desktop app. - Detect legacy and current servers so the desktop app can work with both. Bugfixes - Restore optimistic timeline updates while responses are still streaming. - Hide legacy-only features when connected to current servers. - Preserve inline file mentions when sending prompts to legacy servers. - Stop auto-accepting config permissions on current servers. - Keep current servers out of the legacy layout. - Show plain file contents in file-specific tabs instead of review diffs. - Keep the prompt input agent toggle in sync. - Keep paginated session timelines in the right order. - Restore directory-scoped session status for legacy servers. - Reload legacy session progress after hydration. Thank you to 2 community contributors: - @dleopold: - fix(app): classify existing web profiles for layout transition (38117) - @remixz: - fix(opencode): preserve grep symlink paths (38581)

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