Moved away from the "Brushed Metal" look toward a more consistent, "Unified" interface.
Introduced a built-in RSS reader for subscribing to web feeds directly from the browser. mac-os-x-10-4-6-version-complete
A dedicated layer for "Widgets"—mini-apps for quick info like weather, stocks, and a dictionary. Moved away from the "Brushed Metal" look toward
Features optimized resource locking and support for Access Control Lists (ACLs) . 4.6 or how to find the original installation media ? Features optimized resource locking and support for Access
Mac OS X 10.4.6, released on April 3, 2006, was a significant maintenance update for "Tiger" that notably improved compatibility for the then-new Intel-based Macs. Core Update Highlights
20 years of Mac OS X - Some of my favourite features - Riccardo Mori
A critical translation layer that allowed PowerPC-based applications to run on the new Intel-based Macs.