OpenCode v1.18.31

OpenCode v1.18.31 was released on .

Summary

Core Bugfixes - Restored ACP session model, effort, mode, and reasoning chunk boundaries when loading, resuming, or forking sessions. (@JacobNWolf) TUI Bugfixes - Show remote config authentication...

Release Context

  • This was the 192nd OpenCode release of 2026 tracked by Havoptic.
  • It shipped 6 days after OpenCode v1.18.30 (September 9, 2026).

Shipped around the same time

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Release Notes

Core Bugfixes - Restored ACP session model, effort, mode, and reasoning chunk boundaries when loading, resuming, or forking sessions. (@JacobNWolf) TUI Bugfixes - Show remote config authentication errors during startup and exit with a failure status. Extensions Improvements - Request summarized adaptive thinking for GitHub Copilot models. Thank you to 4 community contributors: - @heimoshuiyu: - feat(console): add batch workspace block endpoints (48491) - @JacobNWolf: - fix(acp): restore session options and reasoning boundaries (48225) - @R-Taneja: - chore(deps): bump @ai-sdk/gateway to 3.0.191 (48710) - @MatthewFeroz: - fix(ui): add Merge Gateway logo (42015)

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