About iMac Software Update 1.2.1 (Tiger) This update is for 20-inch and 24-inch aluminum iMac computers with 2.0, 2.4, or 2.8 GHz processors running Mac OS X Tiger.
It improves the performance and reliability of graphics-intensive games and applications and fixes an issue that some customers encountered when installing Mac OS X Leopard after applying iMac Software Update 1.2.
![Apple Releases New Build of iOS 18 Beta 4 and iPadOS 18 Beta 4 [Download]](/images/news/94387/94387/94387-160.jpg "Apple Releases New Build of iOS 18 Beta 4 and iPadOS 18 Beta 4 [Download]")
![Apple Falls to Sixth Place in Chinese Smartphone Market [Report]](/images/news/94383/94383/94383-160.jpg "Apple Falls to Sixth Place in Chinese Smartphone Market [Report]")
![Apple Commits to President Biden's AI Safety and Security Standards [Report]](/images/news/94382/94382/94382-160.jpg "Apple Commits to President Biden's AI Safety and Security Standards [Report]")
![New 13-inch M2 iPad Air On Sale for $99.01 Off [Lowest Price Ever]](/images/news/94385/94385/94385-160.jpg "New 13-inch M2 iPad Air On Sale for $99.01 Off [Lowest Price Ever]")
![Apple 13-inch M3 MacBook Air (16GB RAM, 512GB SSD) On Sale for $200 Off! [Deal]](/images/news/94379/94379/94379-160.jpg "Apple 13-inch M3 MacBook Air (16GB RAM, 512GB SSD) On Sale for $200 Off! [Deal]")
![Single Apple AirTag On Sale for $23.99 [Deal]](/images/news/94372/94372/94372-160.jpg "Single Apple AirTag On Sale for $23.99 [Deal]")
![Samsung 49-inch Odyssey G93SC OLED Curved Monitor On Sale for $500 Off [Deal]](/images/news/94366/94366/94366-160.jpg "Samsung 49-inch Odyssey G93SC OLED Curved Monitor On Sale for $500 Off [Deal]")
![New 24-inch iMac With M3 On Sale for $150 Off! [Lowest Price Ever]](/images/news/94344/94344/94344-160.jpg "New 24-inch iMac With M3 On Sale for $150 Off! [Lowest Price Ever]")
