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# Support adaptive thinking for Claude Sonnet 4.6

2026-02-19 · v1.2.8

## Improvements

- **Terminal:** Add custom tool and MCP call responses that are visible and collapsible ([@yanosh-k](https://github.com/yanosh-k))
- **Desktop:** Black screen on launch with sidecar server fixed
- **Desktop:** Clear todos on abort

Released in [v1.2.8](https://github.com/anomalyco/opencode/releases/tag/v1.2.8)

Newer: [Add missing id, sessionID, and messageID to MCP tool attachments](https://opencode.ai/changelog/v1.2.10) (v1.2.10)

Older: [Fixed terminal rendering and interaction issues in the application](https://opencode.ai/changelog/v1.2.7) (v1.2.7)

[All updates](https://opencode.ai/changelog)

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If something here is wrong or missing, open an issue at https://github.com/anomalyco/opencode/issues.