Apple has released Mac OS X 10.5.4 and security updates for Tiger

Apple on Monday evening released Mac OS X 10.5.4, the latest significant revision to Leopard and a key part of its online strategy. Also, Security Update 2008-004 and Safari 3.1.2 for Tiger address security issues for earlier Mac OS X versions.

Apple releases Mac OS X 10.5.4 update, security fixes