OpenAI Codex CLI rust-v0.159.3 → rust-v0.166.0: what changed

9 releases shipped between rust-v0.159.3 (September 30, 2026) and rust-v0.166.0 (October 29, 2026).

Changelog entries in this range

All OpenAI Codex CLI releases · rust-v0.159.3 release · rust-v0.166.0 release