What changed in coding agents in October 2026
Opus 4.8 fast mode stops working on 30 November, Claude Code can now refuse writes outside the project, and Codex, Cursor, Gemini CLI and GitHub shipped the rest.
6 min read
Digest
Opus 4.8 fast mode stops working on 30 November, Claude Code can now refuse writes outside the project, and Codex, Cursor, Gemini CLI and GitHub shipped the rest.
6 min read