Maya is notoriously complex. It relies on Python libraries, mental ray/Arnold plugins, and specific environment variables. Portable versions often strip out "unnecessary" files to save space, which can lead to frequent crashes, missing features (like the Arnold renderer), or broken viewport shaders.

Improved visualization of animation curves and timing.

A "pay-as-you-go" version of Maya designed for freelancers. It offers a more flexible cost structure through Autodesk Flex tokens Maya Personal Learning Edition (AppStream):

A portable wrapper cannot emulate this without Admin privileges and system reboots.