Mới down xong, ai muốn thử chức năng mới thì down về test thử.
Còn đây là giới thiệu của em nó, bằng tiếng Anh nên dịch không nổi, chịu khó tra lần lần vậy :-D
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THE INFORMATION CONTAINED IN THIS MESSAGE IS UNDER NON-DISCLOSURE
Mac OS X version 10.6 Snow Leopard build 10A261 Developer Seed Note
Mac OS X 10.6 Snow Leopard is the next major release of Mac OS X.
As this is a pre-release build, it is not advisable to use this software on a production system with information on it that you depend on for your business.
Please be aware that you will not be able to revert back to your previous system after updating. Please install this update on a system you are prepared to erase if necessary.
Installation Instructions
A. Install Snow Leopard using hard disk partitions:
Requirements:
Three hard disk partitions internal or external (you could use 2 but 3 recommended)
Hard disk partitions setup:
Partition 1 - download Snow Leopard disk image here
Partition 2 - restore disk image onto this partition
Partition 3 - partition to install Snow Leopard on
(Partition 3 is optional, you can install onto Partition 1 if you only have 2 partitions)
Procedure:
1. Boot off partition 1, using Disk Utility, restore the Snow Leopard DVD Disk Image onto partition 2
2. Boot off partition 2 and install Snow Leopard onto partition 3
OR if you only have 2 partitions:
2. Boot off partition 2 and install Snow Leopard onto partition 1
Note: Use System Preferences : Startup Disk to pick startup volume
OR
B. Burn bootable DVD for installation:
Requirements:
1. A DVD drive capable of burning double-layer DVDs
Here's how to check to see if you have such a drive:
- Launch "Systems Profiler"
- Under Hardware, click on "Disc Burning"
- Under "DVD-Write", if "+R DL" is listed then your machine has the ability to burn double layer DVD discs.
2. A blank DVD+R DL media
Procedure:
1. Launch Disk Utility
2. Click the Burn button in the Toolbar
3. Navigate to and select the downloaded DVD disk image then click the Open button
4. Insert a blank DVD+R DL disc into your DVD burner
5. Click the Burn button
After burning, install Snow Leopard from the burned DVD.
Focus Areas
As great progress has been made in the Grand Central Dispatch (libdispatch) and OpenCL APIs, prompt feedback on those API sets would be appreciated.
Changes Since the Last Seed
- This seed includes the CoreLocation framework which lets you determine the current latitude and longitude of a computer. The framework uses the available hardware to triangulate the user?s position based on nearby signal information. Additional details can be found at /System/Library/Frameworks/CoreLocation.framework/Headers
- Cocoa now includes APIs for using multi-touch features in the new MacBook and MacBook Pros. Details are available in the AppKit framework release notes.
- The WebObjects developer support package is not included in the Xcode Tools distributed with this seed of Snow Leopard. The package may be downloaded from ADC soon after the Snow Leopard seed has been made available.
Objective-C Garbage Collector
The garbage collector now features much faster root tracing. In particular, "info gc-roots" in gdb is now many times faster than before.
The collector also features a number of new environment variables that can be used to aid in debugging. Set AUTO_USE_GUARDS to "YES" or "true" to enable guard pages in the collector. If the process attempt to write beyond the end of an allocated chunk of memory, the collector will abort() the process. Like GuardMalloc, this can be a quick way to deduce heap corruption bugs.
Set AUTO_REFERENCE_COUNT_LOGGING to "YES" or "true" to log collector retain/release events via the malloc history mechanism. Requires MallocStackLoggingNoCompact or MallocStackLogging to be enabled.
Set AUTO_RESURRECTION_ABORT to YES or true to catch cases where objects become valid after having been finalized. Resurrection will become a hard error before Snow Leopard is released, as it can lead to heap inconsistencies and difficult to diagnose crashes.
Printer Driver Changes
SnowLeopard no longer installs all printer drivers by default. Rather, the default behavior is to install only the drivers for attached USB printers, printers previously used by the old system, network printers visible on Bonjour, and popular printers.
If you add a printer for which no driver is installed, Mac OS X will now query the Software Update server and then offer to download and install a driver should one be available.
Microsoft Exchange Support
Setting Up Exchange
Mail includes an autodiscovery feature to streamline the configuration process:
1. Open Mail preferences and click the plus button to add a new account
2. Enter your Microsoft Exchange email address and password and click "Continue"
3. Your server settings will be auto populated and you can choose to simultaneously configure Address Book and iCal for use with Microsoft Exchange as well
4. Verify the settings are correct and click "Create"
If the your server settings are not automatically configured, after step 2 you can select "Microsoft Exchange 2007" as a new account type and manually enter your server settings. You will still be able to simultaneously configure Address Book and iCal for use with Microsoft Exchange.
Known Limitations in Microsoft Exchange Support
Mail
- Notes composed in Mail may not always appear on the Exchange server.
- Transferring messages between Exchange mailboxes does not always succeed.
Address Book
- Use of Address Book beyond basic viewing of Microsoft Exchange Contacts should be avoided in this seed.
- Changes made to contacts on the Exchange server may not be reflected in Address Book until it is relaunched.
Known Limitations
Installation Issues
- Some users have encountered errors while installing. A subsequent installation attempt to the same volume should result in a successful upgrade.
- Booting from the Mac OS X Installation DVD can take up to 10 minutes.
- When migrating your user, Setup Assistant may may not finish calculating the size of your content which prevents those items from migrating. If this occurs, quit Setup Assistant and reboot.
Developer Issues
- Using the Help system in Xcode may result in a crash. Please save your project before accessing Xcode Help.
- Selecting 'SCM -> Diff With... -> Base' in Xcode may lead to a hang.
- Script Editor fails to record Finder actions.
- When Automator is run in 32-bit mode stopping and then running a workflow results in a crash.
- Launching an application via Xcode's Debug option sometimes fail. Relaunching Xcode, rebuilding the application and attempting to debug it again will workaround this.
Other Issues
- Adding a field to a Address Book contact through the 'Card' menu will result in the deletion of other data for that contact.
- There are known deadlocks in AppKit which can cause an application to hang. To confirm whether this is the source of a particular hang, run 'sample' in Terminal on the hung application and confirm whether NSUIHeartBeat is in the call stack.
- Applications that access the system keychain may display password prompts or report incorrect user names or passwords even when the application has successfully authenticated.
- The warning for low batteries in an attached Bluetooth mouse causes the current user to be logged out.
- The date shown in the iCal Dock icon does not update correctly.
- Active Directory support may be unreliable.
- Certain mailboxes in Mail may not always display new messages. Quit and re-launch Mail to workaround this.
- By default all of your local disks will be in the exclusion list for Time Machine backups. You can remove a volume from the exclusion list, but will not be able to add it back to the exclusion list after that point.
- iDisk syncing sometimes leads to a crash in FileSyncAgent that prevents the sync from completing.
- The Microsoft Office 2004 installer hangs mid-way through. Drag the Office 2004 folder to your Applications folder to work around this.
- Adobe CS4 can be run as a universal binary, but will crash when opened in Rosetta.
- In Microsoft Office 2004 hitting Cmd-P to print to an HP printer will result in a crash. Select File->Print to work around this.
- Attempting to save an Adobe CS4 document after it has already been saved may result in an error.
- Grayed out or disabled icons & images look extra dark.
- Front Row crashes when launched.
- Photo booth crashes when launched.
- Accessing the built in help system yields a blank window.
- iChat bubbles display minor graphics corruption.
Bug Reporting
This build is being provided to you for testing and development purposes. Should you encounter any problems, please submit a bug report using the online Bug Reporter at . Please make sure to include "10.6 (10A261)" in the bug title and description. This information will ensure that your bug is processed quickly.
When submitting a bug report, please make sure to include a Summary, Steps to Reproduce, Actual Results, Expected Results, the System Profile Report, and any other relevant information that is necessary to process the report.
IMPORTANT: Engineering requires additional information for crashing bugs, kernel panics, and hanging issues.
Crashing Bugs: Crash logs are required for crashing bugs. Crash logs can be located in ~/Library/Logs/CrashReporter
Kernel Panics: Backtraces, which contain vital information for investigating kernel panics, are required for kernel panic issues. Backtraces can be saved to nvram on restart shutdown, then copied to the panic.log file on restart. The panic.log file can be found in /Library/Logs/PanicReporter.
Hanging Issues: When an application is hung, a Sample should be provided. This can be done using the Activity Monitor (/Applications/Utilities/). To generate a Sample using this utility, click on the hung application name, then from the View Menu select "Sample Process".
For complete instructions on submitting bug reports, please visit the Bug Reporting page at
Legal Notices
The software identified above is Apple Confidential Information and your use of such software is subject to the Apple Developer Connection Programs Terms and Conditions, including the Prototype License and Confidentiality Agreement attached thereto. Distributing the software to anyone other than an ADC member who is working for the same entity as you is considered a violation of your agreement with Apple and is damaging to both Apple and those who develop for the Apple platform. We sincerely appreciate your efforts to keep this software Confidential.
You agree that you will not export or reexport any of the software or Confidential Information received from Apple (a) into (or to a national or resident of) any U.S. embargoed countries (currently, Cuba, Iran, Libya, North Korea, Sudan, or Syria) without first obtaining proper authorization from the U.S. Government; or (b) to anyone on the U.S. Treasury Department's list of Specially Designated Nationals or the U.S. Department of Commerce Denied Person's List or Entity List. You also agree that you will not use said software for any purposes where prohibited by United States law, including, without limitation, the development, design, manufacture or production of nuclear, missile, chemical or biological weapons.
This seed note is an appendix to the Prototype License and Confidentiality Agreement between Apple Computer, Inc. and the addressee.
THE INFORMATION CONTAINED IN THIS MESSAGE IS UNDER NON-DISCLOSURE
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