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New Features
- Save reusable prompts and slash commands in ten numbered `/presets` slots, with a keyboard menu for quick access. (#54380, #54381)
- Set model, reasoning effort, speed, and permission profiles directly with inline `/model` and `/permissions` arguments. (#54378, #54383)
- Preview viewed and generated images in the fullscreen transcript on terminals supporting Kitty or Sixel graphics. (#54216)
- Authenticate enterprise MCP connections using eligible Codex account grants or dedicated sign-in, including OAuth clients requiring secrets. (#55334, #55859, #56001)
- Mask credentials during supported remote Bash commands and Zsh snapshot sessions, including credentials from custom providers. (#54309, #54432, #56049)
- The Amazon Bedrock setup wizard is now enabled by default, with API key entry grouped alongside other AWS sign-in methods when credentials are detected. (#56033, #56023)
Bug Fixes
- Failed compaction no longer leaves partial summaries in conversation history, and background compaction failures fall back without panicking. (#53932, #55581)
- Resuming sessions now finds compressed histories and restores saved thread settings instead of replacing them with global defaults. (#54008, #55923)
- Windows HTTPS and WebSocket connections now handle proxy authentication challenges using the signed-in user’s Negotiate or NTLM credentials. (#55994, #56000)
- CLI configuration overrides are preserved when `-c` or `--config` appears at multiple subcommand levels. (#56022)
- Queued prompts now wait for pending permission selections to resolve before continuing. (#55682)
- Hardened sandbox checks for case-variant metadata paths on macOS and replaceable symlinks used to locate executables. (#54273, #55384)
Chores
- Reduced disk usage by pruning unused installations, cleaning abandoned marketplace checkouts, and bounding daemon logs. (#53827, #55149, #55689, #55690, #55856)
- Updated the embedded JavaScript runtime with safety checks for optimized `Array.sort` operations. (#54519)