The "Final Multilanguage Update" specifically refers to the stabilized, global release of this version, which streamlined the user interface and added critical support for emerging hardware like high-resolution displays and touch-enabled devices. Key Features of Illustrator CC 17.1
However, technically speaking, v17.1 is often remembered fondly by veteran designers as a "Golden Build." It was lightweight compared to modern bloatware. It didn't have the heavy Creative Cloud desktop sync processes running in the background constantly. It felt like a standalone application (like CS6) but with modern features.