Breaking changes
codex login --api-key was replaced with codex login --with-api-key that reads the key from stdin to improve security.
Sample usage:
printenv OPENAI_API_KEY | codex login --with-api-keyHighlights:
- #4517 Experimental support for OAuth MCP server authentication
Full list of merged PRs:
- #4636 Replace
--api-keywith--with-api-keyfor logging into the CLI with an API key - #4644 Only write the final message to stdout for
codex exec - #4676 Default to
gpt-5for Windows users who have not set a default model - #4689 Remove the requirement to use
experimental_use_rmcp_clientfor streamable HTTP MCP servers that don't require OAuth - #4673 Fix colors when refocusing the terminal after a system theme update
- #4694 Fix reasoning effort title
- #4616 Updated device code login copy
- #4706 Fix command output truncation that sometimes used too much of the context window
- #4663 Initial parallel tool call support
- #4736 Pulsing dot loading state