ENVI 5.6 supports a wide range of data formats and is compatible with other GIS and remote sensing tools, facilitating seamless integration into existing workflows.

If you are looking for specific documentation ("the paper") on what version 5.6 offers, the following were major highlights: What's New in ENVI 5.6.3 - NV5 Geospatial Software

The software features an intuitive interface that allows users to efficiently navigate through its extensive capabilities, making complex analyses more accessible.

: ENVI 5.6 is an older version of the software. The latest versions often include new features, improvements, and better support for newer data formats and technologies.