X5 brought OpenType support, a contextual text editor, and "WhatTheFont?" integration for identifying typefaces.
Because the portable version is a hack:
Imagine you are a sign-maker. You design a banner at home, save it to your USB drive, drive to the production shop, plug the drive into the RIP workstation, and make final adjustments—all without installing anything on the shop’s computer.
This built-in utility converts bitmap images (JPEG, PNG, TIFF) into scalable vector graphics. The X5 version introduced improved centerline tracing, which is excellent for technical drawings and signage.