Apple a publicado su ultima actualización para Leopard (Mac OS X 10.5.3) que promete resolver muchos de los problemas persistentes hasta el 10.5.2. Lo obtienen directamente por el Programa de Software Update o bien directamente de los siguientes enlaces:

• Mac OS X 10.5.3 Combo Update [536 MB] — Actualiza cualquier versión del Mac OS X 10.5.x
• Mac OS X 10.5.3 Delta Update [420MB] — Solo actualiza del Mac OS X 10.5.2

A continuación les paso una lista (en inglés) de lo que incluye el update. Como verán son bastantes cambios y reparaciones.

General

• Fixes a font issue that could result in Helvetica Narrow being used in applications instead of Helvetica.
• Addresses an issue with stuttering video and audio playback in certain USB devices.
• Resolves stability issues with Word of the Day, iTunes Artwork, and Slideshow screen savers.
• Fixes an issue in which certain attached hard drives may not show up in the Finder.

AirPort

• Improves 802.1X behavior and reliability.
• Improves reliability when using Time Capsule.

iChat

• Addresses reliability issues with screen sharing.
• Resolves an issue in which saved chat transcripts may reported as “still in use” after opening and closing them in iChat.
• Resolves an issue with group chats not being indexed in Spotlight.
• Only the last 250 messages of an active chat are saved. Fixed to save unlimited number of lines.

Mail

• Resolves an issue in which Mail may prevent idle sleep when set to automatically check for new messages every minute.
• Addresses stability issues that may be encountered when dragging large attachments into an email message.
• Fixes an issue that could occur if two compose windows are open when dragging a file to the Mail icon in the Dock.

Parental Controls

• Addresses reliability issues with application logging and time limits.
• Resolves an issue in which Parental Controls may prevent forced sleep.
• Addresses performance issues with web content filters.
• Fixes an issue with managed accounts in which iChat transcripts may not be created.
• Addresses issues with 4-byte files and whitelist.

Spaces

• Resolves an issue in which switching to a different space and returning back to the original space may reorder the application windows with a different active window.
• Resolves an issue in which activating an application from the Dock switches to a different space, even if there is a window for that application in the current space.

Time Machine

• Includes fixes for Time Machine compatibility with Time Capsule.
• Resolves certain issues when backing up a portable Mac that is on battery power.
• Addresses compatibility issues with Aperture 2.
• Addresses reliability issues when performing a full restore from a Time Machine backup.