OpenCode v1.18.11

OpenCode v1.18.11 was released on .

Summary

Core Bugfixes - Stopped MCP SSE connections from getting stuck in reconnect loops after server error responses. - Fixed provider model configs that use interleaved reasoning fields like reasoningte...

Release Context

  • This was the 172nd OpenCode release of 2026 tracked by Havoptic.
  • It shipped 2 days after OpenCode v1.18.10 (July 30, 2026).

Shipped around the same time

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Release Notes

Core Bugfixes - Stopped MCP SSE connections from getting stuck in reconnect loops after server error responses. - Fixed provider model configs that use interleaved reasoning fields like reasoningtext or custom field names. Desktop Bugfixes - Open external links in the system browser instead of inside the app. - Fixed stale session tab state in the desktop title bar. (@OpeOginni) - Open the legacy directory picker at your home folder when no home path is loaded yet. - Prevent the file tree tab from clipping when resized smaller. (@OpeOginni) - Fixed debug gutter labels and values misaligning. Thank you to 2 community contributors: - @devennavani: - docs: add Modal provider setup (39710) - @OpeOginni: - fix(app): prevent file tree tab clipping (39770) - fix(app): prevent stale session tab reads (39767) - fix(app): prevent stale prompt control reads (39842)

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