Adobe Illustrator CS6 version 16.0.4 was a critical maintenance update released to enhance the stability and security of the final perpetual-license version of the software. While it did not introduce major new design tools, it addressed vital backend issues to keep the legacy suite functional. Key Highlights of Version 16.0.4 The primary focus of the 16.0.4 update was a security hotfix
: You must have Illustrator 16.0.0 or 16.0.2 already installed before applying the 16.0.4 patch. adobe illustrator cs6 update -version 16.0.4-
: Ensures basic compatibility with then-current OS versions, such as Mac OS X 10.8.5 Mountain Lion. Core Features of the CS6 Era Adobe Illustrator CS6 version 16
When Apple introduced OS X Mavericks (10.9), its "App Nap" feature would put background Illustrator processes to sleep, causing auto-recovery to fail. Adobe back-ported a fix into 16.0.4 that disabled App Nap at the framework level. The "App Nap" Workaround (Mac Only) When Apple