: Users can expand functionality by adding community-created plugins to the "Effects" folder. Portable Usage Details
: It may still leave minor traces on the host computer (like temporary history files) because it wasn't designed from the ground up as a fully sandboxed portable app.
Most modern software forces you to install DLLs into the System32 folder. The "Portable ZIP Top" version lives entirely in its own directory. You can place it on a FAT32 formatted USB stick, use it on a library computer, a school PC, or a work laptop without admin rights.
: Introduction of now-standard effects like Surface Blur , Dents , and Crystalize .