OpenCode v1.2.8: Adaptive Thinking & MCP Responses
OpenCode v1.2.8 adds adaptive thinking for Claude Sonnet 4.6, collapsible MCP responses in the TUI, and fixes a critical desktop launch bug.
TL;DR
- Claude Sonnet 4.6 now supports adaptive thinking in OpenCode
- Custom tool and MCP call responses are now visible and collapsible in the TUI
- Desktop app black screen on launch fixed
New
- Adaptive thinking for Claude Sonnet 4.6 — Extended thinking mode now available for Sonnet 4.6, letting the model reason through complex problems before responding.
- Custom tool and MCP call responses — Tool and MCP responses are now visible and collapsible in the TUI, giving you better control over output visibility.
Fixed
- Black screen on launch with sidecar server — Desktop app no longer hangs on startup.
- Clear todos on abort — Todo list now properly clears when aborting operations.
Update with: npm install opencode@latest or check the release page for your platform.
Source: OpenCode