Use it now Notable
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Auth tokens can now be handed to subprocesses over file descriptors instead of plaintext environment variables.
New environment variables — CLAUDE_CODE_OAUTH_TOKEN_FILE_DESCRIPTOR, CLAUDE_CODE_GATEWAY_TOKEN_FILE_DESCRIPTOR, CLAUDE_CODE_API_KEY_FILE_DESCRIPTOR, and CLAUDE_CODE_WEBSOCKET_AUTH_FILE_DESCRIPTOR — let auth tokens be passed to subprocesses via file descriptor instead of plaintext environment variables. The list of secret env vars scrubbed from subprocess environments was also expanded.
Names in the bundleCLAUDE_CODE_OAUTH_TOKEN_FILE_DESCRIPTORCLAUDE_CODE_API_KEY_FILE_DESCRIPTORCLAUDE_CODE_GATEWAY_TOKEN_FILE_DESCRIPTORCLAUDE_CODE_WEBSOCKET_AUTH_FILE_DESCRIPTOR
One source agreesOne thing we can check says the same as this entry.
The name it cites is new in this build
New in this build: CLAUDE_CODE_GATEWAY_TOKEN_FILE_DESCRIPTOR