Changelog · Codex app · OpenAI

Codex app

Published Mar 12, 2026 (). Newer: Codex app (Oct 8, 2026)

Changelog

Codex app

# Codex app ### Themes Change the Codex app appearance in **Settings** by choosing a base theme, adjusting accent, background, and foreground colors, and changing the UI and code fonts. You can also share your custom theme with friends. ![Codex app theme settings showing custom themes, color controls, and font settings]() ### Revamped Automations You can now choose whether automations run locally or on a worktree, define custom reasoning levels and models, and use templates to find inspiration for new automations. ![Automations settings showing local and worktree options alongside scheduling controls]() ### Performance improvements and bug fixes Various bug fixes and performance improvements.