macOS Update Changelog

What's new in macOS Update 10.15.7

Nov 9, 2020
  • Resolves an issue where macOS would not automatically connect to Wi-Fi networks
  • Fixes an issue that could prevent files syncing through iCloud Drive
  • Addresses a graphic issue that may occur on iMac (Retina 5K, 27-inch, 2020) with Radeon Pro 5700 XT

New in macOS Update 10.15.6 (Jul 16, 2020)

  • macOS Catalina 10.15.6 introduces local news in your Today feed in Apple News and improves the security and reliability of your Mac.
  • Apple News:
  • Local news in your Today feed provides extensive coverage of San Francisco, the Bay Area, Los Angeles, Houston, and New York City
  • More stories available from local news providers with a subscription to Apple News+
  • Your daily newsletter from Apple News can now be personalized with stories that reflect your interests
  • This update also includes bug fixes and other improvements:
  • Adds a new option to optimize video streaming on HDR-compatible Mac notebooks for improved battery life
  • Fixes an issue where the computer name may change after installing a software update
  • Resolves an issue where certain USB mouse and trackpads may lose connection

New in macOS Update 10.15.5 (Jun 5, 2020)

  • macOS Catalina 10.15.5 introduces battery health management in the Energy Saver settings for notebooks, an option to control automatic prominence of video tiles on Group FaceTime calls, and controls to fine-tune the built-in calibration of your Pro Display XDR. The update also improves the stability, reliability, and security of your Mac.
  • Battery Health Management:
  • Battery health management to help maximize battery lifespan for Mac notebooks
  • Energy Saver preference pane now displays battery condition and recommends if the battery needs to be serviced
  • Option to disable battery health management
  • For more information, please visit https://support.apple.com/kb/HT211094
  • FaceTime Prominence Preference :
  • Option to control automatic prominence on Group FaceTime calls so video tiles do not change size when a participant speaks
  • Calibration Fine-Tuning for Pro Display XDR:
  • Controls to fine-tune the built-in calibration of your Pro Display XDR by adjusting the white point and luminance for a precise match to your own display calibration target
  • This update also includes bug fixes and other improvements:
  • Fixes an issue that may prevent Reminders from sending notifications for recurring reminders
  • Addresses an issue that may prevent password entry on the login screen
  • Fixes an issue where System Preferences would continue to show a notification badge even after installing an update
  • Resolves an issue where the built-in camera may not be detected when trying to use it after using a video conferencing app
  • Addresses an issue for Mac computers with the Apple T2 Security Chip where internal speakers may not appear as a sound output device in Sound preferences
  • Fixes a stability issue with uploading and downloading media files from iCloud Photo Library while your Mac is asleep
  • Resolves a stability issue when transferring large amounts of data to RAID volumes
  • Fixes an issue where the Reduced Motion Accessibility preference did not reduce the speed of animations in a FaceTime group call

New in macOS Update 10.15.4 (May 27, 2020)

  • MacOS Catalina 10.15.4 introduces iCloud Drive folder sharing, Screen Time communications limits, Apple Music time-synced lyrics view, and more. The update also improves the stability, reliability, and security of your Mac.
  • Finder:
  • ICloud Drive folder sharing from Finder
  • Controls to limit access only to people you explicitly invite, or to grant access to anyone with the folder link
  • Permissions to choose who can make changes and upload files and who can only view and download files
  • Screen Time:
  • Communication limits for controlling who your children can communicate with and be contacted by throughout the day and during downtime
  • Playback control of music videos for your children
  • Music:
  • Time-synced lyrics view for Apple Music, including the ability to jump to your favorite part of a song by clicking a line in lyrics view
  • Safari:
  • Option to import Chrome passwords into your iCloud Keychain for easy AutoFill of your passwords in Safari and across all your devices
  • Controls for duplicating a tab and for closing all tabs to the right of the current tab
  • HDR playback support on compatible computers for Netflix content
  • App Store with Apple Arcade:
  • Universal Purchase support enables the use of a singular purchase of a participating app across iPhone, iPod touch, iPad, Mac, and Apple TV
  • Recently played Arcade games appear in the Arcade tab so you can continue playing on iPhone, iPod touch, iPad, Mac, and Apple TV
  • Pro Display XDR:
  • Customized reference modes that you can tailor to specific workflow needs by selecting from several color gamut, white point, luminance, and transfer function options
  • Accessibility:
  • Head pointer preference for moving a cursor on the screen based on the precise movements of your head
  • This update also includes bug fixes and other improvements:
  • High Dynamic Range output to HDR10-compatible third-party displays and TVs connected with DisplayPort or HDMI
  • OAuth authentication support with Outlook.com accounts for improved security
  • CalDav migration support when upgrading to iCloud reminders on a secondary device
  • Resolves an issue where text copied between apps may appear invisible when Dark Mode is active
  • Fixes an issue in Safari where a CAPTCHA tile may display incorrectly
  • Resolves an issue where Reminders may send notifications for completed reminders
  • Fixes an issue with screen brightness for the LG UltraFine 5K display after waking from sleep

New in macOS Update 10.15.3 (Mar 25, 2020)

  • The macOS Catalina 10.15.3 update improves the stability, reliability, and security of your Mac.
  • This update:
  • Optimizes gamma handling of low gray levels on Pro Display XDR for SDR workflows when using macOS
  • Improves multi-stream video editing performance for HEVC and H.264 encoded 4K video on the 16-inch MacBook Pro (2019)

New in macOS Update 10.15.2 (Dec 11, 2019)

  • Apple News:
  • New layout for Apple News+ stories from The Wall Street Journal and other leading newspapers
  • Stocks:
  • Get links to related stories or more stories from the same publication at the end of an article
  • “Breaking” and “Developing” labels for Top Stories
  • Stories from Apple News are now available in Canada in English and French
  • This update also includes the following bug fixes and improvements:
  • Music:
  • Restores the column browser view for managing the music library
  • Resolves an issue that may prevent album artwork from appearing
  • Fixes an issue that may reset music equalizer settings during playback
  • ITunes Remote:
  • Adds support for using an iPhone or iPad to remotely control the Music and TV apps on a Mac
  • Photos:
  • Resolves an issue that may cause some .AVI and .MP4 files to appear as unsupported
  • Fixes an issue that prevents newly created folders from appearing in Albums view
  • Addresses an issue where manually sorted images in an album may be printed or exported out of order
  • Fixes an issue that prevents the zoom-to-crop tool from working in a print preview
  • Mail:
  • Addresses an issue that may cause Mail Preferences to open with a blank window
  • Resolves an issue that may prevent using undo from retrieving deleted mail
  • Other:
  • Improves the reliability of syncing books and audiobooks to your iPad or iPhone through Finder
  • Fixes an issue where reminders may be out of order in the Today smart list in the Reminders app
  • Resolves an issue that may cause slow typing performance in the Notes app

New in macOS Update 10.15.1 (Dec 11, 2019)

  • Emoji:
  • Over 70 new or updated emoji, including animals, food, activities, new accessibility emoji, gender neutral emoji, and skin tones selection for couple emoji
  • AirPods:
  • Introduces support for AirPods Pro
  • Home app:
  • HomeKit Secure Video enables you to privately capture, store, and view encrypted video from your security cameras and features people, animal, and vehicle detection
  • HomeKit enabled routers let you control how your HomeKit accessories communicate over the internet or in your home
  • Adds support for AirPlay 2-enabled speakers in scenes and automations
  • Siri:
  • Privacy settings to control whether or not to help improve Siri and Dictation by allowing Apple to store audio of your Siri and Dictation interactions
  • Option to delete your Siri and Dictation history from Siri Settings
  • This update also includes the following bug fixes and improvements:
  • Restores the ability to view file names in the All Photos view in Photos
  • Restores the ability to filter by favorites, photos, videos, edited, and keywords in Days view in Photos
  • Fixes an issue where Messages would only send a single notification when the option to repeat alerts was enabled
  • Resolves an issue that caused Contacts to launch to the previously opened contact instead of the contact list
  • Adds a two-finger swipe gesture for back navigation in Apple News
  • Resolves issues that may occur in the Music app when displaying playlists inside folders and newly added songs in the Songs list
  • Improves reliability of migrating iTunes library databases into the Music, Podcasts, and TV apps
  • Fixes an issue where downloaded titles were not visible in the Downloads folder in the TV app

New in macOS Update 10.14.6 (Aug 1, 2019)

  • Makes downloaded issues available in the My Magazines section of Apple News+, both online and offline
  • Adds all publications in Apple News+, including newspapers, to the catalog at the top of the News+ feed
  • Adds the ability to clear downloaded magazine issues in Apple News+ by selecting History > Clear > Clear All
  • Addresses an issue which prevents creation of a new Boot Camp partition on iMac and Mac mini with Fusion Drive
  • Resolves an issue that may cause a hang during a restart
  • Resolves a graphics issue that may occur when waking from sleep
  • Fixes an issue that may cause fullscreen video to appear black on Mac mini
  • Improves file sharing reliability over SMB

New in macOS Update 10.14.5 (May 23, 2019)

  • Adds AirPlay 2 support for sharing videos, photos, music and more from your Mac directly to your AirPlay 2-enabled smart TV
  • [C and US English only] Adds the ability to follow a magazine from the Apple News+ catalog browsing view
  • [J only] Includes support for the Reiwa (令和) era of the Japanese calendar
  • Improves audio latency on MacBook Pro models introduced in 2018
  • Fixes an issue that prevented certain very large OmniOutliner and OmniPlan documents from rendering properly

New in macOS Update 10.14.4 (May 14, 2019)

  • The macOS Mojave 10.14.4 update adds support for Apple News+, includes bug fixes and improvements, improves the stability and reliability of your Mac, and is recommended for all users.
  • Apple News+:
  • Apple News+ is a new subscription service that extends the Apple News experience with hundreds of magazines and top newspapers
  • Our editors handpick top articles and magazine issues, and you also get personalized recommendations on the topics most interesting to you
  • Automatic downloads make it easy to read magazine issues offline
  • Apple News is now available in Canada, with a free experience that includes handpicked Top Stories, a personalized Today feed, and support for both English and French
  • Apple News+ is available in the U.S. and in Canada, with dozens of additional Canadian magazines
  • Safari:
  • Adds Dark Mode support for websites that support custom color schemes
  • Streamlines website login when filling credentials with Password AutoFill
  • Allows push notification prompts only after interacting with a website
  • Adds a warning when an insecure webpage is loaded
  • Removes support for the expired Do Not Track standard to prevent potential use as a fingerprinting variable; Intelligent Tracking Prevention now protects against cross-site tracking by default
  • iTunes:
  • Shows more editorial highlights on a single page in the Browse tab, making it easier to discover new music, playlists, and more in Apple Music
  • AirPods:
  • Adds support for new AirPods (2nd generation)
  • More:
  • Supports Air Quality Index in Maps for US, UK and India
  • Improves the quality of audio recordings in Messages
  • Supports real-time text (RTT) for phone calls made through a nearby iPhone on Mac
  • Provides enhanced support for external GPUs in Activity Monitor
  • Fixes an App Store issue that may have prevented adoption of the latest versions of Pages, Keynote, Numbers, iMovie, and GarageBand
  • Improves the reliability of USB audio devices when used with MacBook Air, MacBook Pro and Mac mini models introduced in 2018
  • Corrects the default screen brightness for MacBook Air (Fall 2018)
  • Fixes a graphics compatibility issue that may occur on some external displays connected to Mac mini (2018)
  • Resolves Wi-Fi connection issues that may occur after upgrading to macOS Mojave
  • Fixes an issue where re-adding an Exchange account may cause it to disappear from Internet Accounts
  • Fixes an issue where AOL user passwords may be frequently requested in Mail

New in macOS Update 10.14.3 (Mar 26, 2019)

  • Improves the security, stability and compatibility of your Mac

New in macOS Update 10.14.2 (Mar 26, 2019)

  • Adds RTT (real-time text) support for Wi-Fi calling
  • Adds a menu item to News for opening a story in Safari
  • Resolves an issue that may prevent iTunes from playing media to third-party AirPlay speakers.

New in macOS Update 10.14.1 (Mar 26, 2019)

  • Adds support for Group FaceTime video and audio calls, which support up to 32 participants simultaneously, are encrypted end-to-end for privacy, and can be initiated from a group Messages conversation, or joined at any time during an active call.
  • Adds over 70 new emoji characters, including new characters with red hair, gray hair and curly hair, new emoji for bald people, more emotive smiley faces and additional emoji representing animals, sports and food.

New in macOS Update 10.13.6 (Jul 9, 2018)

  • Adds AirPlay 2 multi-room audio support for iTunes and improves the stability and security of your Mac. This update is recommended for all users.
  • AirPlay 2 for iTunes:
  • Control your home audio system and AirPlay 2-enabled speakers throughout your house
  • Play music at the same time on multiple AirPlay 2-enabled speakers in your house, all in sync
  • Other improvements and fixes:
  • Fixes an issue that may prevent Photos from recognizing AVCHD media from some cameras
  • Fixes an issue that may prevent Mail users from moving a message from Gmail to another account

New in macOS Update 10.13.5 (Jun 1, 2018)

  • Update improves the stability, performance, and security of your Mac and is recommended for all users.
  • This update adds support for Messages in iCloud, which lets you store messages with their attachments in iCloud and free up space on your Mac. To enable Messages in iCloud, go to Preferences in Messages, click Accounts, then select “Enable Messages in iCloud”.

New in macOS Update 10.13.4 (Mar 30, 2018)

  • Adds support for Business Chat conversations in Messages in the U.S.
  • Adds support for external graphics processors (eGPUs)
  • Fixes graphics corruption issues affecting certain apps on iMac Pro
  • Allows jumping to the right-most open tab using Command+9 in Safari
  • Enables sorting Safari bookmarks by name or URL by right clicking and choosing ‘Sort By…’
  • Fixes an issue that may prevent web link previews from appearing in Messages
  • Helps protect privacy by only AutoFilling usernames and passwords after selecting them in a web form field in Safari
  • Displays warnings in the Safari Smart Search Field when interacting with password or credit card forms on non-encrypted web pages
  • Displays privacy icons and links to explain how your data will be used and protected when Apple features ask to use your personal information

New in macOS Update 10.13.3 Supplemental Update (Feb 20, 2018)

  • Addresses an issue that could cause Messages conversations to temporarily be listed out of order.
  • CoreText:
  • Available for: macOS High Sierra 10.13.3.
  • Impact: Processing a maliciously crafted string may lead to heap corruption.
  • Description: A memory corruption issue was addressed through improved input validation.
  • CVE-2018-4124: an anonymous researcher.

New in macOS Update 10.13.3 (Jan 24, 2018)

  • Addresses an issue that could cause Messages conversations to temporarily be listed out of order.

New in macOS Update 10.13.2 Supplemental (Jan 9, 2018)

  • Available for: macOS High Sierra 10.13.2
  • Description: macOS High Sierra 10.13.2 Supplemental Update includes security improvements to Safari and WebKit to mitigate the effects of Spectre (CVE-2017-5753 and CVE-2017-5715).
  • We would like to acknowledge Jann Horn of Google Project Zero; and Paul Kocher in collaboration with Daniel Genkin of University of Pennsylvania and University of Maryland, Daniel Gruss of Graz University of Technology, Werner Haas of Cyberus Technology, Mike Hamburg of Rambus (Cryptography Research Division), Moritz Lipp of Graz University of Technology, Stefan Mangard of Graz University of Technology, Thomas Prescher of Cyberus Technology, Michael Schwarz of Graz University of Technology, and Yuval Yarom of University of Adelaide and Data61 for their assistance.
  • Installing macOS High Sierra 10.13.2 Supplemental Update will update Safari to version 11.0.2 (13604.4.7.1.6) or version 11.0.2 (13604.4.7.10.6). To check the version of Safari installed on your Mac: Open Safari, Choose Safari > About Safari.

New in macOS Update 10.13.2 (Dec 6, 2017)

  • The macOS High Sierra 10.13.2 update improves the stability, compatibility and security of your Mac, and is recommended for all users.
  • This update:
  • Improves compatibility with certain third-party USB audio devices
  • Improves VoiceOver navigation when viewing PDF documents in Preview
  • Improves compatibility of Braille displays with Mail

New in macOS Update 10.13.1 (Nov 1, 2017)

  • Improves the security, stability, and reliability of your Mac:
  • Adds support for 70 new emoji including food types, animals, mythical creatures, clothing options, more expressive smiley faces, gender-neutral characters and more
  • Fixes a bug where Bluetooth may be unavailable during Apple Pay transactions
  • Improves the reliability of Microsoft Exchange message sync in Mail
  • Fixes an issue where Spotlight may not accept keyboard input

New in macOS Update 10.13 Supplemental (Oct 5, 2017)

  • This update:
  • Improves installer robustness
  • Fixes a cursor graphic bug when using Adobe InDesign
  • Resolves an issue where email messages couldn’t be deleted from Yahoo accounts in Mail
  • SECURITY FIXES:
  • StorageKit:
  • Available for: macOS High Sierra 10.13
  • Impact: A local attacker may gain access to an encrypted APFS volume
  • Description: If a hint was set in Disk Utility when creating an APFS encrypted volume, the password was stored as the hint. This was addressed by clearing hint storage if the hint was the password, and by improving the logic for storing hints.
  • CVE-2017-7149: Matheus Mariano of Leet Tech
  • Security:
  • Available for: macOS High Sierra 10.13
  • Impact: A malicious application can extract keychain passwords
  • Description: A method existed for applications to bypass the keychain access prompt with a synthetic click. This was addressed by requiring the user password when prompting for keychain access.
  • CVE-2017-7150: Patrick Wardle of Synack

New in macOS Update 10.12.6 (Jul 19, 2017)

  • Update improves the security, stability and compatibility of your Mac, and is recommended for all users.
  • For more detailed information about this update, please visit:
  • https://support.apple.com/kb/HT207797

New in macOS Update 10.12.5 Update for 2017 iMacs (Jun 5, 2017)

  • Fixes an issue where audio may stutter when played through USB headphones
  • Improves reliability when connecting an external display or waking it from sleep
  • Enhances compatibility of the Mac App Store with future software updates
  • Adds support for media-free installation of Windows 10 Creators Update using Boot Camp

New in macOS Update 10.12.5 (May 15, 2017)

  • Fixes an issue where audio may stutter when played through USB headphones
  • Enhances compatibility of the Mac App Store with future software updates
  • Adds support for media-free installation of Windows 10 Creators Update using Boot Camp

New in macOS Update 10.12.4 (Mar 27, 2017)

  • The macOS Sierra 10.12.4 update improves the stability, compatibility, and security of your Mac, and is recommended for all users:
  • Adds Night Shift for automatically shifting the colors in your display to the warmer end of the spectrum after dark
  • Adds Siri support for cricket sports scores and statistics for Indian Premier League and International Cricket Council
  • Adds Dictation support for Shanghainese
  • Resolves several PDF rendering and annotation issues in Preview
  • Improves the visibility of the subject line when using Conversation View in Mail
  • Fixes an issue that may prevent content from appearing in Mail messages

New in macOS Update 10.12.3 (Jan 24, 2017)

  • Improves automatic graphics switching on MacBook Pro (15-inch, October 2016)
  • Resolves graphics issues while encoding Adobe Premiere Pro projects on MacBook Pro with Touch Bar (13- and 15-inch, October 2016)
  • Fixes an issue that prevented the searching of scanned PDF documents in Preview

New in macOS Update 10.12.2 (Dec 13, 2016)

  • The macOS Sierra 10.12.2 update improves the stability, compatibility, and security of your Mac, and is recommended for all users:
  • Improves setup and reliability of Auto Unlock
  • Allows addition of a Chinese Trackpad Handwriting button to the Touch Bar Control Strip
  • Adds support for taking screenshots of the Touch Bar using the Grab app or Cmd-Shift-6 shortcut
  • Fixes an issue that caused the Touch Bar emoji picker to appear on the display
  • Resolves graphics issues on MacBook Pro (October 2016) computers
  • Fixes an issue where System Integrity Protection was disabled on some MacBook Pro (October 2016) computers
  • Improves setup and opt-out experience for iCloud Desktop and Documents
  • Fixes an issue with the delivery of Optimized Storage alerts
  • Improves audio quality when using Siri and FaceTime with Bluetooth headphones
  • Improves the stability of Photos when creating and ordering books
  • Fixes an issue where incoming Mail messages did not appear when using a Microsoft Exchange account
  • Fixes an issue that prevented installation of Safari Extensions downloaded outside the Safari Extensions Gallery
  • Adds support for new installations of Windows 8 and Windows 7 using Boot Camp on supported Macs

New in macOS Update 10.12.1 (Oct 27, 2016)

  • Improves the stability, compatibility, and security of your Mac, and is recommended for all users. This update:
  • Adds an automatic smart album in Photos for Depth Effect images taken on iPhone 7 Plus.
  • Improves the compatibility of Microsoft Office when using iCloud Desktop and Documents.
  • Fixes an issue that may prevent Mail from updating when using a Microsoft Exchange account.
  • Fixes an issue that caused text to sometimes paste incorrectly when using Universal Clipboard.
  • Improves reliability of Auto Unlock with Apple Watch.
  • Improves security and stability in Safari.
  • Fixes an issue that may cause Mail to display unnecessary password prompts for AOL accounts.
  • Improves compatibility with Fujitsu's ScanSnap scanning software.
  • Addresses a “Filter Failed” error when printing to some Canon printers.
  • Fixes an issue that may prevent Grapher files from opening.
  • Brings back the Safari option to "never use font sizes smaller than” for displaying fonts on webpages.
  • Enterprise content:
  • Improves reliability of System Image Utility and imagetool when creating network disk images.

New in macOS Update 10.11.6 (Jul 18, 2016)

  • Improves the stability, compatibility, and security of your Mac, and is recommended for all users.
  • This update:
  • Resolves an issue that may prevent settings from being saved in accounts with parental controls enabled.
  • Resolves an issue that prevented some network devices, such as speakers and multifunction printers, from accessing SMB share points.
  • Enterprise content:
  • Improves startup time when connecting to a NetBoot server.
  • Resolves an issue that may prevent startup from a NetBoot image created with an OS X v10.11.4 or OS X v10.11.5 installer.
  • Resolves an issue that may cause Active Directory authentication to take longer than expected.

New in macOS Update 10.11.4 (Mar 21, 2016)

  • Adds the ability to passcode-protect notes containing personal data in Notes
  • Adds the ability to sort notes alphabetically, by date created, or date modified in Notes
  • Adds the ability to import Evernote files into Notes
  • Adds support for sharing Live Photos between iOS and OS X via AirDrop and Messages
  • Addresses an issue that may cause RAW images to open slowly in Photos
  • Adds the ability for iBooks to store PDFs in iCloud, making them available across all your devices
  • Fixes an issue that prevented loading Twitter t.co links in Safari
  • Prevents JavaScript dialogs from blocking access to other webpages in Safari
  • Fixes an issue that prevented the VIPs mailbox from working with Gmail accounts
  • Fixes an issue that caused USB audio devices to disconnect
  • Improves the compatibility and reliability of Apple USB-C Multiport Adapters

New in macOS Update 10.11.3 (Jan 19, 2016)

  • Improves the stability, compatibility, and security of your Mac. This update is recommended for all OS X El Capitan users.
  • This update contains bug fixes and security updates.

New in macOS Update 10.11.2 (Dec 8, 2015)

  • The OS X El Capitan 10.11.2 update improves the stability, compatibility, and security of your Mac, and is recommended for all users.
  • This update:
  • Improves Wi-Fi reliability
  • Improves the reliability of Handoff and AirDrop
  • Fixes an issue that may cause Bluetooth devices to disconnect
  • Fixes an issue that prevented Mail from deleting messages in an offline Exchange account
  • Fixes an issue that prevented importing photos from an iPhone to a Mac using a USB cable
  • Improves iCloud Photo Sharing for Live Photos

New in macOS Update 10.11.1 (Oct 21, 2015)

  • The OS X El Capitan 10.11.1 update improves the stability, compatibility, and security of your Mac, and is recommended for all users.
  • This update:
  • Improves installer reliability when upgrading to OS X El Capitan
  • Improves compatibility with Microsoft Office 2016
  • Fixes an issue where outgoing server information may be missing from Mail
  • Resolves an issue that prevented display of messages and mailboxes in Mail
  • Resolves an issue that prevents certain Audio Unit plug-ins from functioning properly
  • Improves VoiceOver reliability
  • Adds over 150 new emoji characters with full Unicode 7.0 and 8.0 support

New in macOS Update 10.10.5 (Aug 13, 2015)

  • Improves the stability, compatibility, and security of your Mac, and is recommended for all users:
  • Improves compatibility with certain email servers when using Mail
  • Fixes an issue in Photos that prevented importing videos from GoPro cameras
  • Fixes an issue in QuickTime Player that prevented playback of Windows Media files

New in macOS Update 10.10.4 (Jun 30, 2015)

  • Improves the stability, compatibility, and security of your Mac, and is recommended for all users.
  • This update:
  • Improves networking reliability
  • Improves Migration Assistant reliability
  • Addresses an issue that prevented certain external monitors from functioning properly
  • Improves the reliability of upgrading iPhoto and Aperture libraries to Photos
  • Improves reliability when syncing photos and videos to iCloud Photo Library
  • Addresses an issue that caused Photos to quit unexpectedly after importing some Leica DNG files
  • Resolves an issue that could delay outgoing email messages in Mail
  • Fixes an issue where a website could prevent the user from navigating away by presenting repeated JavaScript alerts in Safari

New in macOS Update 10.10.3 Supplemental Update 1.0 (Apr 17, 2015)

  • Fixes a video driver issue that may prevent your Mac from starting up when running certain apps that capture video.

New in macOS Update 10.10.3 (Apr 8, 2015)

  • The OS X Yosemite 10.10.3 update includes the new Photos app and improves the stability, compatibility, and security of your Mac.
  • With Photos you can:
  • Browse your photos by time and location in Moments, Collections, and Years views
  • Navigate your library using convenient Photos, Shared, Albums, and Projects tabs
  • Store all of your photos and videos in iCloud Photo Library in their original format and in full resolution
  • Access your photos and videos stored in iCloud Photo Library from your Mac, iPhone, iPad, or iCloud.com with any web browser
  • Perfect your photos with powerful and easy-to-use editing tools that optimize with a single click or slider, or allow precise adjustments with detailed controls
  • Create professional-quality photo books with simplified bookmaking tools, new Apple-designed themes, and new square book formats
  • Purchase prints in new square and panoramic sizes
  • It’s easy to upgrade your iPhoto library to Photos - just launch the app to get started. To learn more about Photos, please visit: http://www.apple.com/osx/photos/
  • This update also includes the following improvements:
  • Adds over 300 new Emoji characters
  • Adds Spotlight suggestions to Look up
  • Prevents Safari from saving website favicon URLs used in Private Browsing
  • Improves stability and security in Safari
  • Improves WiFi performance and connectivity in various usage scenarios
  • Improves compatibility with captive Wi-Fi network environments
  • Fixes an issue that may cause Bluetooth devices to disconnect
  • Improves screen sharing reliability

New in macOS Update 10.10.2 (Jan 28, 2015)

  • This update includes the following improvements:
  • Resolves an issue that might cause Wi-Fi to disconnect
  • Resolves an issue that might cause web pages to load slowly
  • Fixes an issue that could cause Spotlight to load remote email content when this preference is disabled in Mail
  • Improves audio and video sync when using Bluetooth headphones
  • Adds the ability to browse iCloud Drive in Time Machine
  • Improves VoiceOver speech performance
  • Resolves an issue that could cause VoiceOver to echo characters when entering text on a web page
  • Addresses an issue that could cause the input method to switch languages unexpectedly
  • Improves stability and security in Safari
  • For enterprise customers, this update:
  • Improves performance for browsing DFS shares in the Finder
  • Fixes an issue where certain Calendar invitations could be displayed at the incorrect time
  • Fixes an issue for Microsoft Exchange accounts where the organizer of a meeting might not be notified when someone accepts an invitation using Calendar
  • Addresses an issue where Safari could continually prompt for credentials when accessing a site protected by NTLM authentication
  • Adds the ability to set "Out of Office" reply dates for Microsoft Exchange accounts in Mail
  • A detailed list of all fixed security flaws is available at http://lists.apple.com/archives/security-announce/2015/Jan/msg00003.html.

New in macOS Update 10.9.5 (Sep 18, 2014)

  • Improves the reliability of VPN connections that use USB smart cards for authentication
  • Improves the reliability of accessing files located on an SMB server
  • Includes Safari 7.0.6

New in macOS Update 10.9.4 (Jun 30, 2014)

  • Recommended for all Mavericks users. It improves the stability, compatibility, and security of your Mac.
  • Fixes an issue that prevented some Macs from automatically connecting to known Wi-Fi networks
  • Fixes issue causing the background or Apple logo to appear incorrectly on startup
  • Improves the reliability of waking from sleep
  • Includes Safari 7.0.5

New in macOS Update 10.9.3 (May 15, 2014)

  • Improves 4K display support on Mac Pro (Late 2013) and MacBook Pro with 15-inch Retina Display (Late 2013)
  • Adds the ability to sync contacts and calendars between a Mac and iOS device using a USB connection
  • Improves the reliability of VPN connections using IPsec
  • Includes Safari 7.0.3

New in macOS Update 10.9.2 (Feb 25, 2014)

  • Adds the ability to make and receive FaceTime audio calls
  • Adds call waiting support for FaceTime audio and video calls
  • Adds the ability to block incoming iMessages from individual senders
  • Improves the accuracy of unread counts in Mail
  • Resolves an issue that prevented Mail from receiving new messages from certain providers
  • Improves AutoFill compatibility in Safari
  • Fixes an issue that may cause audio distortion on certain Macs
  • Improves reliability when connecting to a file server using SMB2
  • Fixes an issue that may cause VPN connections to disconnect
  • Improves VoiceOver navigation in Mail and Finder

New in macOS Update 10.9.1 (Dec 17, 2013)

  • Recommended for all OS X Mavericks users. It improves the stability, compatibility, and security of your Mac.
  • This update includes:
  • Improved support for Gmail in OS X Mail, and fixes for users with custom Gmail settings Improves the reliability of Smart Mailboxes and search in Mail
  • Fixes an issue that prevented contact groups from working properly in Mail
  • Resolves an issue that prevented VoiceOver from speaking sentences that contain emoji
  • Fixes an issue that prevented iLife and iWork apps from updating on non-English systems
  • Addresses an issue that may cause multiple prompts to unlock “Local items” keychain
  • Addresses an issue that may cause Japanese keyboards to retain a previously used language
  • Resolves issue that prevents a Contact group name from populating the address field
  • Includes Safari 7.0.1:
  • Fixes an issue that could cause Safari to become unresponsive when filling out forms on fedex.com, stubhub.com, and other websites Improves Credit Card Autofill compatibility with websites
  • Improves VoiceOver compatibility with facebook.com
  • Updates Shared Links periodically when open in the Safari Sidebar

New in macOS Update 10.9.1 for MacBook Pro with Retina Display (Late 2013) (Dec 17, 2013)

  • Recommended for all 13-inch and 15-inch MacBook Pro with Retina Display (Late 2013) systems. It includes all updates from OS X Mavericks 10.9.1 plus system specific enhancements to improve the stability and compatibility of your Mac.
  • Improved support for Gmail in OS X Mail, and fixes for users with custom Gmail settings
  • Improves the reliability of Smart Mailboxes and search in Mail
  • Fixes an issue that prevented contact groups from working properly in Mail
  • Resolves an issue that prevented VoiceOver from speaking sentences that contain emoji
  • Updates Shared Links periodically when open in the Safari Sidebar

New in macOS Update 10.8.5 Supplemental Update (Oct 4, 2013)

  • Resolves an issue that may prevent certain applications from using the FaceTime HD camera on mid-2013 MacBook Air systems
  • Fixes an issue that may cause external drives to be ejected after the computer goes to sleep
  • Addresses an issue that may prevent HDMI audio from working after waking from sleep
  • Fixes an issue that may prevent certain USB Bluetooth adapters from working
  • Also addresses the following security issue:
  • Directory Services
  • Available for: OS X Mountain Lion v10.8 to v10.8.5
  • Impact: A local user may modify Directory Services records with system privileges
  • Description: A logic issue existed in Directory Services's verification of authentication credentials allowing a local attacker to bypass password validation. The issue was addressed through improved credential validation.

New in macOS Update 10.8.5 (Sep 13, 2013)

  • Fixes an issue that may prevent Mail from displaying messages
  • Improves AFP file transfer performance over 802.11ac Wi-Fi
  • Resolves an issue that may prevent a screen saver from starting automatically
  • Improves Xsan reliability
  • Also addresses the following security issues:
  • Available for: Mac OS X 10.6.8, Mac OS X Server 10.6.8, OS X Lion v10.7.5, OS X Lion Server v10.7.5, OS X Mountain Lion v10.8 to v10.8.4
  • Impact: Multiple vulnerabilities in Apache
  • Description: Multiple vulnerabilities existed in Apache, the most serious of which may lead to cross-site scripting. These issues were addressed by updating Apache to version 2.2.24.
  • CVE-ID: CVE-2012-0883, CVE-2012-2687, CVE-2012-3499, CVE-2012-4558
  • Available for: OS X Lion v10.7.5, OS X Lion Server v10.7.5, OS X Mountain Lion v10.8 to v10.8.4
  • Impact: Multiple vulnerabilities in BIND
  • Description: Multiple vulnerabilities existed in BIND, the most serious of which may lead to a denial of service. These issues were addressed by updating BIND to version 9.8.5-P1. CVE-2012-5688 did not
  • affect Mac OS X v10.7 systems.
  • CVE-ID: CVE-2012-3817, CVE-2012-4244, CVE-2012-5166, CVE-2012-5688, CVE-2013-2266
  • Available for: Mac OS X 10.6.8, Mac OS X Server 10.6.8, OS X Lion v10.7.5, OS X Lion Server v10.7.5, OS X Mountain Lion v10.8 to v10.8.4
  • Impact: Root certificates have been updated
  • Description: Several certificates were added to or removed from the list of system roots. The complete list of recognized system roots may be viewed via the Keychain Access application.
  • Available for: Mac OS X 10.6.8, Mac OS X Server 10.6.8, OS X Lion v10.7.5, OS X Lion Server v10.7.5
  • Impact: Multiple vulnerabilities in ClamAV
  • Description: Multiple vulnerabilities exist in ClamAV, the most serious of which may lead to arbitrary code execution. This update addresses the issues by updating ClamAV to version 0.97.8.
  • CVE-ID: CVE-2013-2020, CVE-2013-2021
  • Available for: OS X Mountain Lion v10.8 to v10.8.4
  • Impact: Viewing a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution
  • Description: A buffer overflow existed in the handling of JBIG2 encoded data in PDF files. This issue was addressed through additional bounds checking.
  • CVE-ID: CVE-2013-1025 : Felix Groebert of the Google Security Team
  • Available for: OS X Mountain Lion v10.8 to v10.8.4
  • Impact: Viewing a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution
  • Description: A buffer overflow existed in the handling of JPEG2000 encoded data in PDF files. This issue was addressed through additional bounds checking.
  • CVE-ID: CVE-2013-1026 : Felix Groebert of the Google Security Team
  • Available for: OS X Lion v10.7.5, OS X Lion Server v10.7.5, OS X Mountain Lion v10.8 to v10.8.4
  • Impact: Packages could be opened after certificate revocation
  • Description: When Installer encountered a revoked certificate, it would present a dialog with an option to continue. The issue was addressed by removing the dialog and refusing any revoked package.
  • CVE-ID: CVE-2013-1027
  • Available for: Mac OS X 10.6.8, Mac OS X Server 10.6.8, OS X Lion v10.7.5, OS X Lion Server v10.7.5, OS X Mountain Lion v10.8 to v10.8.4
  • Impact: An attacker may intercept data protected with IPSec Hybrid Auth
  • Description: The DNS name of an IPSec Hybrid Auth server was not being matched against the certificate, allowing an attacker with a certificate for any server to impersonate any other. This issue was addressed by properly checking the certificate.
  • CVE-ID: CVE-2013-1028 : Alexander Traud of www.traud.de
  • Available for: OS X Mountain Lion v10.8 to v10.8.4
  • Impact: A local network user may cause a denial of service
  • Description: An incorrect check in the IGMP packet parsing code in the kernel allowed a user who could send IGMP packets to the system to cause a kernel panic. The issue was addressed by removing the check.
  • CVE-ID: CVE-2013-1029 : Christopher Bohn of PROTECTSTAR INC.
  • Available for: OS X Lion v10.7.5, OS X Lion Server v10.7.5, OS X Mountain Lion v10.8 to v10.8.4
  • Impact: Passwords may be disclosed to other local users
  • Description: A password was passed on the command-line to mdmclient, which made it visible to other users on the same system. The issue was addressed by communicating the password through a pipe.
  • CVE-ID: CVE-2013-1030 : Per Olofsson at the University of Gothenburg
  • Available for: Mac OS X 10.6.8, Mac OS X Server 10.6.8, OS X Lion v10.7.5, OS X Lion Server v10.7.5, OS X Mountain Lion v10.8 to v10.8.4
  • Impact: Multiple vulnerabilities in OpenSSL
  • Description: Multiple vulnerabilities existed in OpenSSL, the most serious of which may lead to disclosure of user data. These issues were addressed by updating OpenSSL to version 0.9.8y.
  • CVE-ID: CVE-2012-2686, CVE-2013-0166, CVE-2013-0169
  • Available for: Mac OS X 10.6.8, Mac OS X Server 10.6.8, OS X Lion v10.7.5, OS X Lion Server v10.7.5, OS X Mountain Lion v10.8 to v10.8.4
  • Impact: Multiple vulnerabilities in PHP
  • Description: Multiple vulnerabilities existed in PHP, the most serious of which may lead to arbitrary code execution. These issues were addressed by updating PHP to version 5.3.26.
  • CVE-ID: CVE-2013-1635, CVE-2013-1643, CVE-2013-1824, CVE-2013-2110
  • Available for: OS X Lion v10.7.5, OS X Lion Server v10.7.5, OS X Mountain Lion v10.8 to v10.8.4
  • Impact: Multiple vulnerabilities in PostgreSQL
  • Description: Multiple vulnerabilities exist in PostgreSQL, the most serious of which may lead to data corruption or privilege escalation. This update addresses the issues by updating PostgreSQL to version 9.0.13.
  • CVE-ID: CVE-2013-1899, CVE-2013-1900, CVE-2013-1901, CVE-2013-1902, CVE-2013-1903
  • Available for: OS X Mountain Lion v10.8 to v10.8.4
  • Impact: The screen saver may not start after the specified time period
  • Description: A power assertion lock issue existed. This issue was addressed through improved lock handling.
  • CVE-ID: CVE-2013-1031
  • Available for: Mac OS X 10.6.8, Mac OS X Server 10.6.8, OS X Lion v10.7.5, OS X Lion Server v10.7.5, OS X Mountain Lion v10.8 to v10.8.4
  • Impact: Viewing a maliciously crafted movie file may lead to an unexpected application termination or arbitrary code execution
  • Description: A memory corruption issue existed in the handling of 'idsc' atoms in QuickTime movie files. This issue was addressed through additional bounds checking.
  • CVE-ID: CVE-2013-1032 : Jason Kratzer working with iDefense VCP
  • Available for: OS X Mountain Lion v10.8 to v10.8.4
  • Impact: A user with screen sharing access may be able to bypass the screen lock when another user is logged in
  • Description: A session management issue existed in the screen lock's handling of screen sharing sessions. This issue was addressed through improved session tracking.
  • CVE-ID: CVE-2013-1033 : Jeff Grisso of Atos IT Solutions, Sebastien Stormacq
  • Note: OS X Mountain Lion v10.8.5 also addresses an issue where certain Unicode strings could cause applications to unexpectedly terminate.

New in macOS Update 10.8.4 (Jun 5, 2013)

  • Compatibility improvements when connecting to certain enterprise Wi-Fi networks
  • Microsoft Exchange compatibility improvements in Calendar
  • A fix for an issue that prevented FaceTime calls to non-U.S. phone numbers
  • A fix for an issue that may prevent scheduled sleep after using Boot Camp
  • Improves VoiceOver compatibility with text in PDF documents
  • Includes Safari 6.0.5, which improves stability for some websites with chat features and games
  • A fix for an issue that may cause iMessages to display out of order in Messages
  • Resolves an issue in which Calendars Birthdays may appear incorrectly in certain time zones
  • A fix for an issue that may prevent the desktop background picture from being preserved after restart
  • A fix for an issue that may prevent documents from being saved to a server using SMB
  • Addresses an issue that may prevent certain files from opening after copied to a volume named “Home"
  • A fix for an issue that may prevent changes to files made over NFS from displaying
  • Resolves an issue saving files to an Xsan volume from certain applications
  • Improves Active Directory log-in performance, especially for cached accounts or when using a .local domain
  • Improves OpenDirectory data replication
  • Improves 802.1X compatibility with ActiveDirectory networks
  • Improves compatibility when using mobile accounts

New in macOS Update 10.8.2 Supplemental 2.0 (Nov 21, 2012)

  • Addresses an issue with Keychain that can affect 2012 Mac systems.
  • This update is recommended for all Mac systems introduced in 2012.

New in macOS Update 10.8.2 Supplemental (Oct 5, 2012)

  • Resolves an issue that may cause certain Japanese characters to appear incorrectly in Mail
  • Allows Safari to access secure sites when parental controls are enabled
  • Addresses an issue that may prevent systems with more than 64 GB of RAM from starting up
  • Resolves an issue that may cause DVD Player to unexpectedly quit

New in macOS Update 10.7.5 Supplemental (Oct 5, 2012)

  • Resolves an issue that may cause Time Machine backups to take a very long time to complete
  • Addresses an issue that prevents certain applications signed with a Developer ID from launching

New in macOS Update 10.8.2 (Sep 19, 2012)

  • Facebook:
  • Single sign on for Facebook
  • Facebook as an option when sharing links and photos
  • Facebook friends' contact information and profile pictures in Contacts
  • Facebook notifications in Notification Center
  •  Game Center:
  • Share scores to Facebook, Twitter, Mail, or Messages
  • Facebook friends are included in Game Center friend recommendations
  • Facebook Like button for games
  • Challenge friends to beat your score or achievement
  • Other new features:
  • Power Nap support for MacBook Air (Late 2010)
  • iMessages sent to your phone number now appear in Messages on your Mac
  • From Safari and Mail on your Mac you can add passes to Passbook on your iPhone or iPod touch running iOS 6
  • New shared Reminders lists
  • FaceTime now receives calls sent to your phone number
  • New sort options allow you to sort notes by title, the date you edited them, and when you created them
  • Dictation now supports Mandarin, Cantonese, Spanish, Korean, Canadian English, Canadian French, and Italian
  • The Dictionary application now includes a French definition dictionary
  • Sina Weibo profile photos can now be added to Contacts
  • The 10.8.2 update also includes general operating system fixes that improve the stability, compatibility and security of your Mac, including the following fixes:
  • An option to discard the changes in the original document when choosing Save As
  • Unsent drafts are opened automatically when launching Mail
  • Receive Twitter notifications for mentions and replies from anyone
  • URLs are shortened when sending tweets from Notification Center
  • Notifications are disabled when AirPlay Mirroring is being used
  • SSL support for Google searches from the Smart Search Field in Safari
  • New preference to have Safari launch with previously open webpages

New in macOS Update 10.8.1 (Aug 23, 2012)

  • Includes general operating system fixes that improve the stability and compatibility of your Mac, including fixes that:
  • Resolve an issue that may cause Migration Assistant to unexpectedly quit
  • Improve compatibility when connecting to a Microsoft Exchange server in Mail
  • Address an issue playing audio through a Thunderbolt display
  • Resolve an issue that could prevent iMessages from being sent
  • Address an issue that could cause the system to become unresponsive when using Pinyin input
  • Resolve an issue when connecting to SMB servers with long names
  • Address a issue that may prevent Safari from launching when using a Proxy Automatic Configuration (PAC) file
  • Improve 802.1X authentication with Active Directory credentials.

New in macOS Update 10.7.4 (May 9, 2012)

  • Resolve an issue where the “Reopen windows when logging back in” setting is always enabled
  • Improve compatibility with certain British third-party USB keyboards
  • Address an issue that may prevent files from being saved to a server
  • Improve the reliability of copying files to an SMB server

New in macOS Update 10.7.3 Supplemental (Mar 6, 2012)

  • This update resolves an issue when restoring a Mac from a Time Machine backup.
  • This update is recommended for users running 10.7.3 with Time Machine backups.

New in macOS Update 10.7.3 (Feb 2, 2012)

  • Update is recommended for all OS X Lion users and includes general operating system fixes that improve the stability, compatibility, and security of your Mac including fixes that:
  • Add Catalan, Croatian, Greek, Hebrew, Romanian, Slovak, Thai, and Ukrainian language support
  • Address issues when using smart cards to log into OS X
  • Resolve issues authenticating with directory services
  • Address compatibility issues with Windows file sharing
  • Includes Safari 5.1.3 and fixes that:
  • Add Catalan, Croatian, Greek, Hebrew, Romanian, Slovak, Thai, and Ukrainian language support
  • Address issues when using smart cards to log into OS X
  • Address compatibility issues with Microsoft Windows file sharing
  • Address an issue printing Microsoft Word documents that use markup
  • Address a graphics performance issue after sleep on some earlier iMacs that use ATI graphics
  • Resolve a Wi-Fi connection issue when waking from sleep
  • Address an issue that may prevent Safari from opening before joining a wireless network
  • Fix a potential issue authenticating to an SMB DFS share
  • Include RAW image compatibility for additional digital cameras
  • Directory Services:
  • Improve binding to read-only Active Directory Domain Controllers
  • Improve binding and login speed for Active Directory users in a domain whose name ends in ".local"
  • Improve reliability of Dynamic DNS (DDNS) updates by Active Directory clients
  • Allow login with an Active Directory username that contains a space
  • Improve compatibility with Active Directory schemas that have been extended with the "apple-user-homeDirectory" and "apple-user-homeurl" attributes
  • Fix home directory Dock item for Active Directory users with mobile accounts
  • Allow NIS users with MD5-hashed passwords to log in

New in macOS Update 10.7.2 (Oct 12, 2011)

  • Includes general operating system fixes that improve the stability, compatibility, and security of your Mac. It also includes support for iCloud, a breakthrough set of free cloud services that automatically and wirelessly store your content on iCloud and push it to all of your devices.
  • iCloud on OS X Lion includes the following features:
  • iCloud stores your email, calendars, contacts, Safari bookmarks, and Safari Reading List and automatically pushes them to all your devices.
  • Back to My Mac provides remote access to your Mac from another Mac anywhere on the Internet.
  • Find My Mac helps find a missing Mac by locating it on a map and allows you to remotely lock the Mac or wipe all its data.
  • Getting started with iCloud is easy. After installing the update, OS X will automatically present an iCloud setup panel. Simply enter an existing Apple ID or create a new one and then follow the on screen instructions. To learn more about iCloud visit http://www.apple.com/icloud.
  • The 10.7.2 update also includes Safari 5.1.1 as well as fixes that:
  • Allow reordering of desktop spaces and full screen apps in Mission Control.
  • Enable dragging files between desktop spaces and full screen apps.
  • Address an issue that causes the menu bar to not appear in full screen apps.
  • Improve the compatibility of Google contact syncing in Address Book.
  • Address an issue that causes Keynote to become temporarily unresponsive.
  • Improve VoiceOver compatibility with Launchpad.
  • Address an issue that causes a delay in accessing the network after waking from sleep.
  • Enable booting in to Lion Recovery from a locally attached Time Machine backup drive.
  • Resolve an issue that causes screen zoom to stop working.
  • Improve Active Directory integration.

New in macOS Update 10.7.1 (Aug 17, 2011)

  • Address an issue that may cause the system to become unresponsive when playing a video in Safari
  • Resolves an issue that may cause system audio to stop working when using HDMI or optical audio out
  • Improves the reliability of Wi-Fi connections
  • Resolves an issue that prevents transfer of your data, settings, and compatible applications to a new Mac running OS X Lion

New in macOS Update 10.6.8 Supplemental Update (Jul 26, 2011)

  • Supplemental Update is recommended for all users running Mac OS X Snow Leopard 10.6.8 and resolves issues with:
  • Transferring personal data, settings, and compatible applications from a Mac running Mac OS X Snow Leopard to a new Mac running Mac OS X Lion
  • Certain network printers that pause print jobs immediately and fail to complete
  • System audio that stops working when using HDMI or optical audio out

New in macOS Update 10.6.8 v1.1 (Jul 26, 2011)

  • Recommended for all users running Mac OS X Snow Leopard and includes general operating system fixes that enhance the stability, compatibility, and security of your Mac, including fixes that:
  • Enhance the Mac App Store to get your Mac ready to upgrade to Mac OS X Lion
  • Resolve an issue that may cause Preview to unexpectedly quit
  • Improve support for IPv6
  • Improve VPN reliability
  • Identify and remove known variants of Mac Defender

New in macOS Update 10.6.8 (Jun 24, 2011)

  • Enhance the Mac App Store to get your Mac ready to upgrade to Mac OS X Lion
  • Resolve an issue that may cause Preview to unexpectedly quit
  • Improve support for IPv6
  • Improve VPN reliability
  • Identify and remove known variants of Mac Defender

New in macOS Update 10.6.7 (Mar 21, 2011)

  • Improve the reliability of Back to My Mac
  • Resolve an issue when transferring files to certain SMB servers
  • Address various minor Mac App Store bugs

New in macOS Update 10.6.6 (Jan 6, 2011)

  • The Mac OS X 10.6.6 Update is recommended for all users running Mac OS X Snow Leopard and includes general operating system fixes that enhance the stability, compatibility, and security of your Mac. It also includes the Mac App Store, the best way to discover and buy new apps for your Mac.
  • The Mac App Store, a new application you'll find in the Dock, includes the following features:
  • Discover Mac apps: Browse featured apps, top charts, and categories, or search for something specific. Read detailed app descriptions and user reviews, and flip through screen shots.
  • Buy and install: Easily purchase apps with your iTunes account. Apps install in one step and are quickly available from the Dock.
  • App updates: The Mac App Store keeps track of all your purchased apps and notifies you when free updates are available.

New in macOS Update 10.6.5 (Nov 11, 2010)

  • General fixes and improvements:
  • Improves reliability with Microsoft Exchange servers.
  • Addresses performance of some image-processing operations in iPhoto and Aperture.
  • Addresses stability and performance of graphics applications and games.
  • Resolves a delay between print jobs.
  • Addresses a printing issue for some HP printers connected to an AirPort Extreme.
  • Resolves an issue when dragging contacts from Address Book to iCal.
  • Addresses an issue in which dragging an item from a stack causes the Dock to not automatically hide.
  • Resolves an issue in which Wikipedia information may not display correctly in Dictionary.
  • Improves performance of MainStage on certain Macs.
  • Resolves spacing issues with OpenType fonts.
  • Improves reliability with some Bluetooth braille displays.
  • Resolves a VoiceOver issue when browsing some websites with Safari 5.
  • Improves Bluetooth pairing with Magic Trackpad.
  • Resolves performance issues with third-party displays that use InstaPort technology.
  • Add SSL support for transferring files with iDisk.
  • Resolves an issue when opening 4-up Photo Booth pictures in Preview.
  • Addresses keyboard responsiveness issues in the Dock when Spaces is turned on.
  • Resolves an issue syncing Address Book with Google.
  • Fixes an issue when replying to a Mail message sent by a person whose name contains certain characters such as é or ü.
  • Improves performance for users bound to an Active Directory domain.
  • Improves reliability of Ethernet connections.
  • Systems with a Mac Pro RAID Card (Early 2009) installed can now be put to sleep. For more information, see Mac Pro RAID Card (Early 2009): Enabling system sleep.
  • Improves reliability of fibre channel connections, resolving a potential Xsan volume availability issue.
  • Adds RAW image compatibility for additional digital cameras.
  • Security improvements

New in macOS Update 10.6.4 for iMac (Mid 2010) (Jul 28, 2010)

  • This update contains all the applicable fixes from the Mac OS X 10.6.4 Update, plus the following specific fixes for iMac (Mid 2010):
  • Resolves compatibility and performance-related graphics issues.
  • Improves compatibility with large-format SDXC memory cards.
  • Adds support for Magic Trackpad.

New in macOS Update 10.6.4 (Jun 16, 2010)

  • The 10.6.4 Update is recommended for all users running Mac OS X Snow Leopard. It includes Safari 5 and general operating system fixes that enhance the stability, compatibility, and security of your Mac, including fixes that:
  • resolve an issue that causes the keyboard or trackpad to become unresponsive
  • resolve an issue that may prevent some Adobe Creative Suite 3 applications from opening
  • address issues copying, renaming, or deleting files on SMB file servers
  • improve reliability of VPN connections
  • resolve a playback issue in DVD Player when using Good Quality deinterlacing
  • resolve an issue editing photos with iPhoto or Aperture in full screen view
  • improve compatibility with some braille displays

New in macOS Update 10.6.3 v1.1 (Apr 13, 2010)

  • improve the reliability and compatibility of QuickTime X
  • address compatibility issues with OpenGL-based applications
  • address an issue that causes background message colors to display incorrectly in Mail
  • resolve an issue that prevented files with the # or & characters in their names from opening in Rosetta applications
  • resolve an issue that prevented files from copying to Windows file servers
  • improve performance of Logic Pro 9 and Main Stage 2 when running in 64-bit mode
  • improve sleep and wake reliability when using Bonjour wake on demand
  • address a color issue in iMovie with HD content
  • improve printing reliability
  • resolve issues with recurring events in iCal when connected to an Exchange server
  • improve the reliability of 3rd party USB input devices
  • fix glowing, stuck, or dark pixels when viewing video from the iMac (Late 2009) built-in iSight camera

New in macOS Update 10.6.3 (Mar 29, 2010)

  • improve the reliability and compatibility of QuickTime X
  • address compatibility issues with OpenGL-based applications
  • address an issue that causes background message colors to display incorrectly in Mail
  • resolve an issue that prevented files with the # or & characters in their names from opening in Rosetta applications
  • resolve an issue that prevented files from copying to Windows file servers
  • improve performance of Logic Pro 9 and Main Stage 2 when running in 64-bit mode
  • improve sleep and wake reliability when using Bonjour wake on demand
  • address a color issue in iMovie with HD content
  • improve printing reliability
  • resolve issues with recurring events in iCal when connected to an Exchange server
  • improve the reliability of 3rd party USB input devices
  • fix glowing, stuck, or dark pixels when viewing video from the iMac (Late 2009) built-in iSight camera

New in macOS Update 10.6.2 (Nov 10, 2009)

  • Fixes for:
  • An issue that might cause your system to logout unexpectedly.
  • A graphics distortion in Safari Top Sites.
  • Spotlight search results not showing Exchange contacts.
  • A problem that prevented authenticating as an administrative user.
  • Issues when using NTFS and WebDAV file servers.
  • The reliability of menu extras.
  • An issue with the 4-finger swipe gesture.
  • An issue that causes Mail to quit unexpectedly when setting up an Exchange server.
  • Address Book becoming unresponsive when editing.
  • A problem adding images to contacts in Address Book.
  • An issue that prevented opening files downloaded from the Internet.
  • Safari plug-in reliability.
  • General reliability improvements for iWork, iLife, Aperture, Final Cut Studio, MobileMe, and iDisk.
  • An issue that caused data to be deleted when using a guest account.

New in macOS Update 10.6.1 (Sep 11, 2009)

  • Compatibility with some Sierra Wireless 3G modems.
  • An issue that might cause DVD playback to stop unexpectedly.
  • Some printer compatibility drivers not appearing properly in the add printer browser.
  • An issue that might make it difficult to remove an item from the Dock.
  • Instances where automatic account setup in Mail might not work.
  • An issue where pressing cmd-opt-t in Mail brings up the special characters menu instead of moving a message.
  • Motion 4 becoming unresponsive.

New in macOS Update 10.5.8 (Aug 5, 2009)

  • Includes general operating system fixes that enhance the stability, compatibility and security of your Mac, as well as specific fixes for:
  • Compatibility and reliability issues when joining AirPort networks.
  • An issue that could cause some monitor resolutions to no longer appear in Displays System Preferences.
  • Issues that may affect Bluetooth reliability.
  • This update includes Safari v4.0.2 and will upgrade your system to Safari v4.0.2.

New in macOS Update 10.5.7 (May 13, 2009)

  • General:
  • Includes latest security fixes.
  • Includes additional RAW image support for several third-party cameras.
  • Improves performance of video playback and cursor movements for recent Macs with NVIDIA graphics.
  • Resolves an issue with Dvorak keyboard layout in Mac OS X 10.5.6.
  • Improves the reliability and accuracy of Unit Converter, Stocks, Weather and Movies Dashboard widgets.
  • Addresses a situation that may cause issues when logging into Gmail.
  • Improves reliability when syncing contacts with Yahoo!.
  • Expansion Slot Utility for Mac Pro now reports the correct PCIe slot configuration.
  • Improves network performance when connected to certain Ethernet switches that have Flow Control enabled.
  • Improves stability for network home directories hosted by Mac OS X Server v10.4.
  • Improves Finder search results for network volumes that may not support Spotlight searching, such as Mac OS X Server v10.4, Time Capsule, and third-party AFP servers.
  • Includes several improvements to Directory Service and Client Management.
  • iCal:
  • Improves overall reliability with CalDav.
  • Improves reliability when automatically syncing with MobileMe.
  • Mail:
  • Addresses reliability and sync issues with Notes.
  • Addresses an issue that may cause the BCC field to populate incorrectly when redirecting a message from the Sent mailbox.
  • Parental Controls:
  • Improves consistency with Parental Controls and application restrictions.
  • Addresses an issue in which time limits may not work properly with full-screen games and Fast User Switching.
  • Printing:
  • Resolves an issue that may cause certain third-party printers to print to the incorrect paper tray.
  • Non-admin user accounts can now be allowed to add and remove printers by enabling Parental Controls and selecting "Can administer printers".
  • Includes other printing reliability and stability improvements.

New in macOS Update 10.5.6 (Dec 15, 2008)

  • Address Book:
  • Improves reliability of Address Book syncing with iPhone and other devices and applications.
  • AirPort:
  • Improves the reliability of AirPort connections, including improvements when roaming in large wireless networks with an Intel-based Mac.
  • Client management:
  • Improves reliability of synchronizing files on a portable home directory.
  • Fixes an issue in Mac OS X 10.5.4 and 10.5.5 in which managed users may not see printers that use the Generic PPD.
  • Client computers that use UUID-based ByHost preferences now respect managed Screen Saver settings.
  • iChat:
  • Addresses an issue that could cause an encryption alert to appear in the chat window.
  • Setting your iChat status to "invisible" via AppleScript no longer logs you out of iChat.
  • Resolves an issue in which pasting text from a Microsoft Office document could insert an image rather than text.
  • Graphics:
  • Includes general improvements to gaming performance.
  • Includes graphics improvements for iChat, Cover Flow, Aperture, and iTunes.
  • Includes fixes for possible graphics distortion issues with certain ATI graphics cards.
  • Mail:
  • Includes overall performance and reliability fixes.
  • Improves Connection Doctor accuracy.
  • Fixes an issue that could cause messages identified as junk to remain in the inbox.
  • Fixes an issue that could cause Mail to append a character to the file extension of an attachment.
  • Addresses an issue that could prevent Mail from quitting.
  • Improves reliability when printing PDF attachments.
  • MobileMe:
  • Contacts, calendars, and bookmarks on a Mac automatically sync within a minute of the change being made on the computer, another device, or the web at me.com.
  • Networking:
  • Improves Apple File Service performance, especially when using a home directory hosted on an AFP server. Important: If you are using Mac OS X 10.5.6 (client) to connect to a Mac OS X Server 10.4-based server, it is strongly recommended that you update the server to Mac OS X Server version 10.4.11.
  • Improves the performance and reliability of TCP connections.
  • Improves reliability and performance for AT&T 3G cards.
  • Updates the ssh Terminal command for compatibility with more ssh servers.
  • Printing:
  • Improves printing for the Adobe CS3 application suite.
  • Improves printing for USB-based Brother and Canon printers.
  • Parental Controls:
  • Addresses an issue in which a parentally-controlled account could be unable to access the iTunes Store.
  • Includes general fixes for time limits.
  • Resolves an issue that prevented adding allowed websites from Safari via drag and drop.
  • Time Machine:
  • Fixes issues that could cause Time Machine to state the backup volume could not be found.
  • Improves Time Machine reliability with Time Capsule.
  • Safari:
  • Improves compatibility with web proxy servers.
  • General:
  • Includes Mac OS X security improvements. See this website for more information.
  • Addresses inaccuracies with Calculator when the Mac OS X language is set to German or Swiss German.
  • Improves the performance and reliability of Chess.
  • Improves DVD Player performance and reliability.
  • Performance improvements for iCal are included.
  • Fixes an issue when running the New iCal Events Automator action as an applet.
  • Adds a Trackpad System Preference pane for portable Macs.
  • Improves compatibility with smart cards such as the U.S. Department of Defense Common Access Card.
  • Updates time zone data and Daylight Saving Time rules for several countries.