While specific change logs for exactly version 6.31 are limited in current listings, the software has seen steady updates leading up to and beyond that version: zCommander - File Manager - App Store
One-click previews for various file formats using an integrated viewer or QuickLook. zCommander – File Manager 6.31
Operates with two side-by-side panels, each supporting multiple independent tabs for easy drag-and-drop or keyboard-driven file transfers. While specific change logs for exactly version 6
Direct support for compressing and extracting ZIP files within the application. zCommander – File Manager 6.31
Optimized for speed, allowing users to perform almost all file operations (copy, move, delete, rename) using customizable hotkeys similar to classic PC file managers.