o Faster startup times
o Faster graphical performance in select system applications
o Faster network performance in all system operations
o PowerPC-optimized code system-wide
o Reduced idle CPU usage
o Reduced OS size
o QuickTime 7.7 Pro, WebKit 604, and Bash 4.3
Also unlike vanilla Leopard, Sorbet Leopard will as of now bring the following new features and enhancements to the table:
o A fully-featured live environment to boot into via FireWire or USB for performing administrative tasks separate from the startup disk
o A featherweight PowerPC-centered app store showcasing the best-in-class applications for 10.5 (general availability TBD)
o An accessible switch panel for quickly controlling various system functions and advanced settings on-the-fly without needing to manually resort to the command line
o Full support for the Apple Aluminum Keyboard
o Full support for the Apple Magic Mouse + Momentum Scrolling
o 10.6.8 desktop pictures, user pictures, screen savers, dictionary definitions, and fonts
o 10.13.6 system certificates pre-installed
o Current versions of coreutils + other common terminal utilities (general availability TBD)
o Readily themeable to OS X Mountain Lion, macOS High Sierra, and iOS 7 right out of the box
o Toggleable ad, tracking, and fingerprinting domain blocking system-wide