GitHub Copilot CLI v1.0.74-1 adds Gemini 3.6 Flash support and fixes MCP secrets handling
copilot-cli-release-app[bot] · ghdev · 2026-07-23
GitHub's copilot-cli v1.0.74-1 adds support for gemini-3.6-flash and ships several workflow fixes.
What changed
- First-run splash now asks users to opt into the default sandbox.
- Session multiplexing no longer leaks an open dialog across sessions.
- The $ shell shortcut now opens a shell even while the agent is working.
- Plan mode allows session-folder planning artifacts while still blocking clear file mutations outside the session folder.
Fixes
- /mcp add and /mcp edit now preserve = in environment variable values, which matters for base64 padding and secrets.
- Remote uploads stop retrying permanent Mission Control 400/404 responses.
- Oversized tool-result images are downscaled so Responses requests keep working.
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