According to World of Apple, Build 10C540 has been released to developers for testing of 10.6.2…

Apple has once again given developers another build of Mac OS X 10.6.2, despite being on the cards for release for several weeks build 10C540 solves several issues but continues to contain no known issues.

Obscurely in this build Apple refers to an issue with ‘plugging and unplugging to an Apple TV’, the meaning of which is unknown to World of Apple but could refer to the new 27-inch iMac which allows video input.

Seed notes below.

Known Issues

• None

Focus Areas (Changes in 10C540):

AFP

• Resolves an AFP panic.

AirPort

• Resolves a performance issue on new iMacs.

GraphicsDrivers

• Fixes a system hang issue on some video cards.
• Resolves a kernel panic on some video cards.
• Resolves an issue with plugging and unplugging to an Apple TV.

Kernel

• Resolves a VMWare issue.

USB

• Resolves a panic with USB.

Updated Components in Mac OS X 10.6.2

• AddressBook
• AFP
• apache
• AppleBacklight
• AppleDisplays
• AppleScript
• AppleWWANSupport
• ApplicationFirewall
• AppKit
• Apache Portable Runtime
• ASR
• ATS
• ATSUI
• Battery Menu Extra
• BezelServices
• Bluetooth
• CarbonCore
• CFNetwork
• CFPropertyList
• CFRunLoop
• CFURL
• ColorSync
• Component Manager
• configd
• Core Chinese Engine
• Core Media
• Core Animation
• Core Applications
• CoreAudio
• CoreData Framework
• CoreData Predicates
• CoreFoundation
• CoreGraphics
• CoreImage
• CoreMedia
• CorePDF
• CoreServicesUIAgent
• CoreText
• CoreTypes
• CoreUI
• CoreVideo
• CrashCatcher
• Date Time Prefs
• Dictionary Application
• Dock
• ExchangeWebServices
• Expose
• Family Controls
• Fax
• FileSync
• FileURL
• Finder
• Fonts
• Foundation
• Front Row
• Garbage Collection
• GraphicsDrivers
• GPU Compute
• Help Viewer
• HFS
• High Level Toolbox
• iCal
• iCal Exchange
• iChat Audio/Video/BuddyList/Jabber/Menu/Pref
• ICU
• iDisk Syncing
• Image Capture
• ImageIO
• ImageKit
• Inkwell
• InstallCmds
• IOAHCIBlockStorage
• IOAHCIFamily
• IOHIDFamily
• IOPlatformPluginFamily
• IONetworkingFamily
• IOKit Kernel
• iPhoto
• IPSec
• Japanese Analysis
• Kerberos
• Kernel
  - KeyboardPref
• KeychainAccess
• Kotoeri Dictionary Trainer
• Language Analysis
• Latent Semantic Mapping
• LaunchServices
• libdispatch
• LibInfo
• libpcap
• libsecurity
• libxml2
• LoginWindowUI
• Mail
• mDNSResponder
• Migration
• MobileMe
• Mosaic Screen Saver
• network_cmds
• Networking
• Network Pref Pane
• NTFS
• Objective C
• OpenCL
• OpenGL
• OSInstaller
• PackageKit
• Parental Controls
• Persistence
• Phone Conduit Sync
• Photo Booth
• Preview
• Printing
• Quartz Composer
• QuartzCore
• QuickLook Office
• QuickTime
• QuickDraw Manager
• QuickTime Player
• Screen Saver
• Screen Sharing
• securityd
• security_certificates
• SecurityAgent
• Software Update
• Spaces
• Speech Recognition
• Spell Checker
• Spotlight
• Sync Services
• System Prefs
• System Configuration
• System UI Server
• Text Checking
• Time Machine
• Time Zone Data
• Traditional Chinese Input Method
• Translation Widget
• Universal Access Pref Pane
• URLMount
• USB
• Voice Over
• VPN
• Weather Widget
• WebDAVFS
• xQuery
• xType

(See the Rest of the Story at Mac OS X 10.6.2 Build Resolves Obscure Apple TV Bug [Seed Notes].)