Claude Code v2.1.321 adds Fable 5.2 and security fixes
AI summary
Claude Code Releases says v2.1.321 adds Claude Fable 5.2 as the default Fable model, with a 1M-token context, $8/$40 per million input/output tokens, and $0.20 per million cache-read tokens. The update also adds a shared --settings option for claude remote-control sessions and fixes security and permission issues involving MCP OAuth redirects, sandbox execution, Bash checks, cp or mv, and protected files.
In-depth insight
The release combines a new default model and expanded remote-control configuration with fixes for OAuth secret leakage and permission enforcement gaps in an AI coding tool.