a history of the development of Synchronize! X Plus


Version 4.3 October 1, 2015

  • Version 4.3 is compatible with El Capitan (Mac OS X 10.11).

Version 4.1 October 15, 2014

  • Version 4.1 is compatible with Yosemite (Mac OS X 10.10).
  • In the Files To Copy window, names of older files which replace newer files are shown in bold.

Version 4.0 October 13, 2013

  • Version 4.0 is compatible with Mavericks (Mac OS X 10.9).
  • Improved the way that AutoSync is installed and launched.
  • Starting scripts is now deferred while editing settings in the Options menu.

Version 3.9.1 August 10, 2012

  • Fixed a problem which could result in a crash during the folder scan.

Version 3.9 July 25, 2012

  • This version is compatible with Mountain Lion (Mac OS X 10.8).

Version 3.8.2 January 1, 2012

  • Fixed a problem with the acceptance of serial numbers.

Version 3.8.1 September 2, 2011

  • Repeated error messages from 'automountd' about a file named "Synchronize! Volume ID" no longer appear in the system log on Lion.

Version 3.8 February 14, 2011

  • Changed the presentation of buttons in the "Files To Copy" window. "Remove from list" is now "Don't copy this time".
  • Fixed a problem which could cause certain files to be copied rather than deleted during a synchronization.
  • Fixed a crash which could occur when a scheduled backup runs while a folder scan is underway.
  • Changed AutoSync to wait for a volume to be mounted or unmounted for 5 seconds before auto-starting a sync or backup.
  • Fixed a crash which could occur if a scheduled backup occurs while a folder scan is running.
  • Very old modification dates are now displayed as "---" in the Files To Copy window, as they are in the Finder.


Version 3.7.2 September 20, 2010

  • Removing items from the "Files To Copy" window is now much faster.
  • Fixed a problem which could result in a "Can't delete an item" error.
  • Fixed a problem in the display of data sizes > 2 TB in the Status window.


Version 3.7.1 January 4, 2010

  • "Show completion dialog announcement" in "Completion Options" is now the default.
  • Added a workaround for an Apple bug which often causes iterator errors.
  • Fixed a problem which could incorrectly show an error about duplicate volume ID's.
  • Fixed a problem with saving the "Replace older files with newer files" warning preference.
  • Fixed a problem which prevented a change to "If sync time is passed at login" in "Start Options" from being saved.


Version 3.7 August 30, 2009

  • This version is compatible with Snow Leopard.
  • Added a warning when older files will replace newer files. This can be turned off on the "Warnings" page of the Preferences.
  • Added a setting "Check for available space before copying a file" to the "File Errors" page of the Preferences.
  • Fixed a problem which could result in an error when copying a locked package.
  • The Preference setting "Ask Finder to eject disks" has been removed on OS X 10.5 and later, because the Finder now presents a dialog which interrupts unattended ejection of a disk.


Version 3.6.1 July 21, 2008

  • Fixed a problem which caused "Copy only folders" and "Don't copy folders" to not display folder names.


Version 3.6 July 17, 2008

  • Added a separate display of the name of the file to be opened in "Start Options" and "Completion Options".
  • A linked sync (executed using "Open a file" in the Completion Options) now runs before any other sync in the Waiting List.
  • If a folder in the "Don't copy folders" list no longer exists, there is now no user interaction. An error message is still entered into the Log.


Version 3.5 November 2, 2007

  • Made changes for compatibility with Leopard (Mac OS X 10.5). This version of Synchronize! X Plus requires Mac OS X 10.4 or later.
  • Connections to remote disks no longer hang the application while the connection is made, and the connection attempt can be cancelled at any time.
  • Fixed a problem which prevented the computer from shutting down at the completion of a backup or synchronization.
  • Disk mounting should be less fragile, because volume UUID's are now used to identify and mount a disk.
  • Spotlight is inhibited from indexing files on a disk to which files are being copied, which improves file copying performance.


Version 3.0.2 March 27, 2007

  • Fixed a crash which occurs due to a bug in OS X 10.4.9.
  • Fixed a problem with unmounting network disks.
  • Fixed a problem which caused unnecessary entries to be made to the system console.


Version 3.0.1 October 19, 2006

  • Added a warning when using a PC-format disk with the default "Comparing files..." settings, with an offer to change to the correct settings.
  • Added a running count of the number of folders created, so that when this step takes a while, progress can be seen.
  • Improved the unmounting of volumes.
  • Fixed a problem which could cause a crash on Intel Macs.
  • Fixed a crash which could occur when choosing a folder.
  • Fixed a problem which could cause a "too many files open" error when syncing with a Windows (SMB) computer or server.
  • Fixed a problem with saving Auto-Connect passwords on Intel Macs.
  • Fixed a problem in generating an encrypted email request for the purchase of a serial number on an Intel Mac.


Version 3.0 April 2, 2006

  • Added support for native operation on Macintosh computers with an Intel processor.
  • Added force unmount to "Completion Options".


Version 2.5.2 September 6, 2005

  • Added copying of labels even if the file hasn't changed. This works only for a "Setup type" of "Backup".
  • "Use generic icons for network volumes" (in the 'Files To Copy' preferences) is now enabled by default.


Version 2.5.1 June 20, 2005

  • To work around a bug in Tiger, extended attributes are not copied when the source or destination is on a File Sharing or AppleShare disk. The bug causes the modification date of copied files to be set incorrectly, if extended attributes are copied to files on a shared volume.


Version 2.5 May 1, 2005

  • Added support for Tiger (OS X 10.4). Extended attributes are now copied when a file is copied.


Version 2.0.1 March 4, 2005

  • Improved handling of licensing for multiple users logging on to a single computer.
  • Changed the way iDisk-mounted volumes are treated, to reduce network traffic.
  • Fixed a problem which could cause a file in conflict to be copied, even though "Don't copy either file" was set as the requested action.


Version 2.0 November 23, 2004

  • The Files To Copy window is substantially improved. Changes include being able to open any number of items in the list, showing icons for files and folders, faster generation of the window and very rapid scrolling.
  • The path to any existing file or folder in the Files To Copy list can be seen by command-clicking the item's icon. The path can be copied by option-clicking the icon. Textual paths are available in a standard form and a special form suitable for Terminal (special characters are escaped).
  • There is a new page in the Preferences for setting the behavior of the Files To Copy window, including font and type size. Note that if your Files To Copy window is scrolling or updating too slowly, you should check "Use generic icons for network volumes" on this page.
  • Added "Open without starting" to File menu, to facilitate changing sync setups that can't be cancelled because the countdown time is set to zero.
  • Added "Use name only to identify a volume" to the Disk Errors page of the Preferences. When this box is checked, only the name of the disk is used to identify it, instead of identifying each disk uniquely.
  • Added a "Ask Finder to eject disks" check box to the General preferences page.
  • Added a warning when the direction of a backup is changed.
  • Locked aliases are now copied without error.
  • Skipping a large number of files no longer results in a "too many files open" error.
  • Solved a problem which could occur when copying the contents of a folder with read-only permissions. This commonly occurred for attachments in Mail and Entourage.
  • Fixed a problem in announcing that a folder couldn't be found.


Version 1.2.1 October 30, 2003

  • Fixed a problem selecting folders using Panther.
  • Fixed a crash when truncating names for destination volumes which don't support more than 31-character file names.


Version 1.2 September 10, 2003

  • Added a "Start All" feature, which allows multiple syncs to be started at one time.
  • Added support for the mouse wheel, page up and page down keys in the Log window.
  • Changed the method of ejecting a disk. An Apple Event is now sent to the Finder.
  • Fixed a problem which could cause other Login Items to be deleted when AutoSync is installed.
  • Fixed a problem which occurred when very large numbers of files were synced. When the resource fork can't contain the sync database, a separate file in the same folder as the sync document is used to contain the information.


Version 1.1.7 December 10, 2002

  • Fixed a problem which may affect permissions on copied folders.


Version 1.1.6 November 27, 2002

  • Improved error messages for permissions errors and copying files to Windows disks.
  • Fixed the display of names in the file and folder filter dialogs in the Japanese version.

Version 1.1.5 September 26, 2002

  • Worked around a bug in OS X 10.2 and 10.2.1 which causes some files to not be reported, even though they exist.
  • Completion options are now skipped if the user cancels.
  • Fixed a problem which caused files in the top-level folder to be copied even if "Copy only folders..." settings should prevent it.
  • The Waiting List window is now automatically hidden when it is emptied.


Version 1.1.3 - Japanese version only - August 21, 2002

  • Fixed a crash which could occur in the Japanese version.


Version 1.1.2 August 20, 2002

  • Fixed a cosmetic problem with the display of icons on Mac OS 10.2 (Jaguar).
  • Fixed a problem with the display of GB file sizes in the Status window.
  • Fixed a crash which could occur while checking conflicts.


Version 1.1.1 June 4, 2002

  • Fixed a problem which could cause a crash when syncing large numbers of items with conflict checking on.
  • Fixed a problem with file names longer than 112 characters.


Version 1.1 May 28, 2002

  • Changed the display of file sizes to "2.13 GB", instead of "2,131 MB".
  • Added "Skip all files with this error" to the File Errors Preferences so that all files with a particular error can be skipped after a period of time.
  • Fixed a problem which prevented automatic syncs from starting at login. This could also prevent other automatic syncs from being started if Synchronize! X Plus wasn't already running.


Version 1.0 May 2, 2002

  • First release.


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