No specific info about version 2.3. Please visit the main page of Hex Fiend on Mac Informer.
Nice for every file view.
010 Editor provides professional text and hex editing.
Pipette will help you grab the hex codes of your favorite colors.
Examine and even change file contents in two views: raw and hex values.
Convert hex value to RGB value for multiple colors.
Mac Dec Bin Hex Calculator is a Decimal Binary Hexadecimal conversion tool.
Nice for every file view.