LaunchDevelopersAugust 28, 2026

Claude Code 2.1.251 adds model-switch hooks, symlink security fixes

Claude Code 2.1.251 ships 71 CLI changes, including PreModelSwitch/PostModelSwitch hooks to block or annotate model switches and fixes blocking symlink escapes in file tools. It also adds live streaming of foreground subagent tool calls to Remote Control clients.

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Claude Code 2.1.251 adds model-switch hooks, symlink security fixes