Added compatibility with Mac OS X 10.5 Leopard.
Removed support for Mac OS X 10.2 Jaguar and other operating systems releases prior to version 10.3.8.
Added preference setting to modify the destination folder for screenshots (Tiger and Leopard).
Added preference to set the default user name when connecting manually to AppleShare (AFP) servers in the Finder (Tiger only).
Added preference setting to slow down animations in the Finder when the shift key is pressed (Tiger only).
Added preference setting to disable manual changes of the Dock size.
Added preference setting to disable changes of the Dock contents.
Added preference setting to disable the three-dimensional glass effect of the Dock (Leopard only).
Many small changes in the user interface.

* Added new preference pane to reorder and temporarily disable login objects (Mac OS X Tiger only). This feature was requested by many users, because Apple removed it from the original System Preferences application.
* Added new preference setting to enable display of hidden and system files in the context menu of folders dragged into the Dock.
* Added preference setting to generally limit the number of items shown in the "File > Open Recent" submenu of all native Mac OS X applications.
* Added preference setting to disable the drag-and-drop feature of selected text in Cocoa applications. The user can also set the delay time the system should wait when switching from selection mode to drag mode.
* Added preference setting for Safari to show the Internet addresses of links via Help tool tips when the mouse cursor is positioned on the link (Panther and Tiger only).
* Added preference setting for Safari to disable the database of web-site icons (Panther and Tiger only).
* Added preference setting for Safari to control the number of days after which history items expire automatically (Panther and Tiger only).
* Added preference setting for Safari to control the number of history items visible in the menu of the Back/Forward buttons.
* When used with Mac OS X Tiger, TinkerTool will now use the unified Tiger display style for its toolbar.
* Support for Mac OS X 10.1 "Puma" has been removed.
* The number of supported languages was reduced unfortunately. Volunteers for the translation of TinkerTool 3.7 are welcome.