Apple claims over 200 new features in Tiger. Is that claim true? Here’s the list I took from Tiger New Features Page.

  1. .Mac Email Alias Support
  2. .Mac Keychain Sync
  3. .Mac Sync for Mail Accounts and Rules
  4. 64-Bit Audio File Format
  5. 64-bit Virtual Memory
  6. About This Mac
  7. Access Control Lists (ACL)
  8. Address Book Support for Certificates
  9. Advanced Font Validation
  10. AIM Profiles
  11. AirPort Preferred Networks
  12. Apple Remote Desktop 2.2 Client
  13. AppleScript Studio Enhancements
  14. AppleScript Utility
  15. Archive a Web Page
  16. Auto ISP Setup
  17. Auto-Update LDAP Cards
  18. Automatic Bandwidth Detection
  19. Automatic Font Smoothing
  20. Automatic Power Profiles
  21. Automatic Projector Mirroring
  22. Automatic Projector Mirroring
  23. Automator Actions
  24. Automator
  25. Battery System Menu
  26. Birthday Calendar
  27. Bluetooth 1.2 Specification Support
  28. Bluetooth File Transfer
  29. Bluetooth Headset Support
  30. Bluetooth Headset Support
  31. Bookmark Search
  32. Bookmarks
  33. Buddy Controls for Parents
  34. Buddy Groups
  35. Burn Disk Images for Other File Systems
  36. Burnable Folders
  37. Buy Printing Supplies
  38. Calculator Widget
  39. Calendar Groups
  40. Calendar Printing
  41. Calendar Widget
  42. Certificate Assistant
  43. Certificate Support
  44. Character Search
  45. Code Sense for AppleScript
  46. Contact Import File Formats
  47. Core Image
  48. Core Video
  49. Customized Compose Options
  50. Dashboard Keyboard Activation Preference
  51. Dashboard Widget
  52. Dashboard
  53. Data Events Suite
  54. Desktop Pictures
  55. Dictionary Application
  56. Dictionary Service
  57. Dictionary Viewer
  58. Dictionary Widget
  59. Disk Utility Improvements
  60. DNG File Format Support
  61. Dock Icon
  62. Document Properties
  63. DVD Navigator
  64. DVD Video Clips
  65. DVD Video Color Controls
  66. DVD Video Zoom
  67. Dynamic DNS Support
  68. Email Web Page or Link
  69. Enhanced Dock Menu
  70. Envelope Printing
  71. Equalizer
  72. Expanded Language and Script Support
  73. Export Bookmarks
  74. Fax Logs and Archives
  75. Fax Status Menu
  76. Finder Slideshow
  77. Fine Grain Locking (SMP scalability)
  78. Firewall Log
  79. Firewall Stealth Mode
  80. Flight Tracker Widget
  81. Font Export
  82. Font Libraries
  83. Forgot Password
  84. GCC 4.0
  85. GIMP Printer Configuration
  86. Government Smart Card Interface Standard (GSCIS)
  87. Grapher
  88. H.264/AVC Video Codec
  89. HFS+ CLI file commands
  90. HTML Message Composition
  91. iCal Automator Actions
  92. iCal Invitations in Mail
  93. iChat and iTunes Integration
  94. iChat Scriptability
  95. Image Correction
  96. Image Keywords
  97. Improved Display Alert
  98. Improved Energy Saver Preference
  99. Improved RAID
  100. Improved video quality with H.264
  101. Inline PDF Viewing
  102. Integrated Sync Services
  103. iPhoto Desktop Pictures and Screen Saver
  104. iSight Integration
  105. iSight Integration
  106. iTunes Album Art Screen Saver
  107. iTunes Widget
  108. Jabber Support
  109. JPEG 2000 Support
  110. Kerberos VPN Support
  111. Kerberos VPN Support
  112. Keychain Access
  113. Keychain Import/Export
  114. Korn Shell
  115. List Support
  116. Live Video Resizing
  117. Mail and iPhoto Integration
  118. Mail Connection Doctor
  119. Mail Controls for Parents
  120. Mail Server Quota Management
  121. Message Priorities
  122. Metadata Info & Preview
  123. Migration Assistant
  124. Mobile Home Directories
  125. Multi-person Audio Conferencing
  126. Multi-person Video Conferencing
  127. Network Diagnostics
  128. New .Mac System Preference
  129. New Fonts
  130. New Mail User Interface
  131. NTLM v2 Authentication
  132. NTLMv2 Authentication for SMB
  133. OpenEXR Image Format
  134. Password Helper
  135. PDF 1.5 Document Compatibility
  136. PDF Annotations
  137. PDF Encryption
  138. PDF Forms
  139. Per-account signatures
  140. Phone Book Widget
  141. Photo Controls in Mail
  142. Pocket Address Book Printing
  143. Preview Grab
  144. Preview Slide Show
  145. Private Browsing
  146. Programmer Base 10 math Calculator
  147. Property List Suite
  148. Quartz Composer
  149. QuickTime Fullscreen Controls
  150. RAW Camera Image Support
  151. Remappable Modifier Keys
  152. RPN Calculator
  153. RSS Auto Detection
  154. RSS Bookmarks
  155. RSS Update Notification
  156. RSS Visualizer Screen Saver
  157. Safari and iPhoto Integration
  158. Safari RSS View
  159. Safe Downloads
  160. Safe Launch
  161. Save as HTML
  162. Scientific Calculator
  163. Scriptable Font Book
  164. Scriptable Font Book
  165. Searchable System Preferences
  166. Secure Display Dialog
  167. Secure Printing
  168. Secure Virtual Memory
  169. Secure WebDAV
  170. Sharing
  171. Slideshow in Mail
  172. Smart Card Authentication
  173. Smart Folders
  174. Smart Font Collections
  175. Smart Groups
  176. Smart Mailboxes
  177. SMB Symlink Support
  178. Smooth Scrolling
  179. Spell Check Options
  180. Spotlight Command Line Tools
  181. Spotlight Contact
  182. Spotlight Find
  183. Spotlight Font Search
  184. Spotlight in Open / Save Panels
  185. Spotlight Menu Hot Key
  186. Spotlight Menu
  187. Spotlight Preferences
  188. Spotlight Results Group View
  189. Spotlight Search in Mail
  190. Spotlight Service
  191. Spotlight Support for Network Homes
  192. Spotlight Window Hot Key
  193. Spotlight Window
  194. Sticky Note Widget
  195. Stock Widget
  196. Switch to...
  197. System Info Command
  198. System Profiler Improvements
  199. Table Support
  200. Target Disk Mode
  201. Tile Game Widget
  202. Translation Widget
  203. Undo Contact Changes
  204. Unit Converter Widget
  205. VoiceOver Spoken Interface
  206. VPN On Demand
  207. VPN Settings
  208. Weather Widget
  209. Website Controls for Parents
  210. Website Security Certificate Status
  211. Wireless Image Capture
  212. Word XML Format
  213. World Clock Widget
  214. Xcode 2
  215. Xgrid
  216. XML Suite

Now some may argue that these are not all “killer” features, but that’s not what Apple claimed. Apple said “200+ features” and they delivered. They also show a comparison between Jaguar and Panther and Tiger.