Older Duplicacy releases


This thread will be used to post release notes.


Version 1.0.1:

  • Allow non-standard sftp ports
  • Multithreaded uploading for Backblaze B2 storage
  • Show Unicode filenames correctly
  • Improved retry mechanism for S3


Version 1.0.2:

  • Fixed a bug when selecting the root item of the file list to restore the entire repository
  • Move the multithread option for B2 to the backup configuration page


Version 1.1.0:

  • Add storages for Google Drive, Microsoft OneDrive, and Hubic
  • Backblaze storage now supports cross-computer deduplication (multiple computers backing up to the same storage)
  • Fixed a chunk deletion bug in S3 storage when storage path is not the root of a bucket
  • Network share can now be used as storage on Windows
  • Capable of restoring files from a repository on other computers
  • Personal use is no longer free and requires a subscription


Version 1.1.1 (Windows only):

  • Fixed a layout issue when large fonts are used


Version 1.1.2 (Windows only):

  • Fixed a bug in reading certain symbolic links on Windows


Version 1.1.3:

  • Retry on socket errors for B2 storage.


Version 1.1.4:

  • Retry on status code 408 for Backblaze B2 client
  • Avoid creating unnecessary directories for object-storage backends


Version 1.1.5:

  • More robust B2 storage backend


Version 1.1.6:

  • Built with Go 1.7.3
  • Upgraded Google Drive client library to the latest version


Version 1.1.7:

  • Fixed a bug where the snapshot id list in the restore tab is not properly populated after the storage has been chosen


Version 1.1.8 (Windows only):

  • Fixed a bug where it failed to list directories whose length is 258 or 259 and reported ‘Access is denied’ errors


Version 1.2.0:

  • Use lz4 for compression and blake2 for hash to initialize new storages
  • Backward compatible with storages initialized with earlier versions
  • Add HiDrive support


Version 1.2.1:

  • Fixed a bug that caused backup to error out when there are invalid Unicode characters in filenames
  • Handle Windows deduplication reparse points as if they were regular files


Version 1.2.2:

  • Optimized memory handling of file attributes
  • Fixed a bug that prevented top-level folders from being restored on Windows


Version 1.2.4:

  • Optimized memory handling of file attributes
  • Fixed a bug that prevented top-level folders from being restored on Windows
  • Fixed a bug that caused restoration to fail due to an error on changing timestamps of symbolic links
  • Built with go 1.8.1
  • Fixed a bug in the OneDrive storage caused by server side changes
  • The Win32 version now supports Windows XP and Windows Server 2003


Version 2.0.0:

  • Multithreaded backup and restore are now supported by all storage backends
  • A new Google Cloud Storage backend that does not require the S3 interoperability
  • Fixed a bug the caused incorrect hash or invalid index errors when restoring zero-size files
  • Delay backup for 1 minute when waking up from sleep on macOS to avoid temporary network issues


Version 2.0.1:

  • Allow the display to sleep while a backup is running (macOS only)
  • Allow a root drive to be selected as the storage (Windows only)
  • Fixed a bug in Azure configuration where the Next button remains disabled
  • Fixed a divide by zero error when verbose logging is turned on


Version 2.0.2:

  • Fixed a bug that caused restoration of two adjacent files to crash


Version 2.0.3:

  • Fixed a bug in disk or SFTP storage backends that caused a directory creation error when multiple threads are used
  • Rewrote the S3 storage backend using the official Amazon S3 client library