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What changed in the Codex CLI refresh of September 2026
The September 2026 Codex CLI refresh made fullscreen transcripts default, added voice and worktrees, and added GPT-6.1 Sol plus max and ultra reasoning.
The September 2026 Codex CLI refresh made fullscreen transcripts default, added voice and worktrees, and added GPT-6.1 Sol plus max and ultra reasoning.