Agent Breaking Changes_

← Copilot CLI

Copilot CLI 1.0.100-0

modelpre

2026-10-16 · official notes

Summary

Full notes

**Improved**
- Prompt to update the sandbox proxy certificate authority when masked hosts change

**Fixed**
- Managed plugins update activation in existing sessions when managed policy changes
- Sessions no longer stall for minutes when an MCP server hangs while loading tools.
- Gemini tool calls no longer fail when array parameters define enum values
- Gemini chats no longer fail after earlier tool results contain no readable content.
Weekly digest: every breaking change, retirement and price change across 20+ coding agents, one email.

Form not loading? Subscribe here.