Mac OS X 10.5.1

Mac OS X 10.5.1 is an update for Mac OS X 10.5 (Leopard) that was released by Apple on November 15, 2007.
==Features==
It included the following changes:
====AirPort====
*Allows password-protected accounts on AirPort Disks to show up on in the Finder's Shared Sidebar.
*Resolves an issue with saved passwords for wireless networks.
====Back to My Mac====
*Improves the reliability of Back to My Mac-enabled Macs appearing in the Finder's Shared Sidebar.
*Improves compatibility with D-Link NAT gateways.
====Disk utilities====
*Restores the functionality of the progress bar during permission repairs in Disk Utility.
*Addresses an issue that could produce an alert when creating disk images using Disk Utility or Terminal.
*Improves disk partitioning when multiple RAID sets are created on the same disk.
====iCal====
*iCal alarms are now more reliably delivered via email.
*Resolves an issue when inviting attendees via a CalDAV account.
====Mail====
*Improves stability when resizing columns in the message viewer or switching between Stationery templates in email messages.
*Addresses an issue in which attachments enclosed inside an HTML link may not be clickable in email messages.
*Fixes an issue with email accounts added using the "Simple Setup" feature in which messages cannot be sent due to an SMTP connection failure.
*Improves Smart Mailboxes compatibility with .Mac Sync, and addresses an issue with To Do's disappearing when using Smart Mailboxes.
*Resolves an issue with syncing Mail accounts with .Mac in which multiple On My Mac folders appear in the Mailbox pane.
====Networking====
*Addresses an issue in which Microsoft Windows shared folders may be read-only when connected via SMB.
====Printing====
*Resolves an issue in which user-selected values on Paper Feed PDE are reset to default while saving a custom preset.
====Security, Firewall====
*Addresses a code signing issue; third-party applications can now run when included in the Application Firewall or when whitelisted in Parental Controls.
*In Security preferences' Firewall tab, the "Block All" option is now called "Allow Only essential services"
*Includes recent Apple security updates.
====System and Finder====
*Addresses a potential data loss issue when moving files across partitions in the Finder.
*Resolves an issue with login after turning off FileVault for a specific user account.
*Improves compatibility with Adobe Flash-based uploaders used by .Mac Web Gallery and certain other websites and applications.
*Resolves a potential text drawing issue with certain Adobe Flash-based websites and applications.
====Time Machine====
*Addresses formatting issues with certain drives used with Time Machine (specifically, single-partition MBR drives greater than 512 GB in size as well as NTFS drives of any size and partition scheme).
*Resolves an issue in which files restored in Time Machine may be restored to the backup hierarchy rather than the folders to which they belong.
==External links==
Apple: About the Mac OS X 10.5.1 Update
Category:Mac OS X 10.5
Category:2007 introductions