Version history

Current version: 7.13.0.33 - 31 January 2023

Changes:

DPC/Windows: Added new scan mode - PaintShop pro (supports Corel PaintShop Pro 2023)
Improvements in image comparison algorithm makes DPC to find even more duplicates
MultiViewer: added support for thumbnail size up to 1024x1024px. This can be adjusted in DPC settings->General tab
MultiViewer: selection checkbox is now disabled for master files in folder comparison mode
UI improvements: duplicates can be selected/unselected by SPACE key
Updated translations
Other minor bugfixes and improvements

Version: 7.12.0.31 - 9 December 2022

Changes:

New feature: sound notifications
Added support for OS native window frame for dark theme
Mac: Added support for Photos 8.0 (Mac OS Ventura 13.0.1)
Windows: Added support for virtual drive detection
Lightroom classic scan: bugfixes and improvements
First time run: Let users decide whether DPC should keep previous settings or not
Minor bugfixes and UI improvements

Version: 7.11.0.25 - 13 October 2022

Changes:

Speed optimizations. DPC now works up to 3x times faster!
Memory consumption reduced. Further optimizations in image processing and analysis allowed to significantly reduce memory consumption
Image comparison algorithm improvements allow DPC to find more duplicates
Additional bug fixes and improvements

Version: 7.10.0.20 - 1st September 2022

Changes:

A DPC portable version now available
Minor bugfixes and improvements

Version: 7.9.0.18 - 11th August 2022

Changes:

New scan mode: Lightroom Classic
Added a new option "Replace duplicates with NTFS hard links when possible" to the Windows version. When this option is turned ON and user chooses "Replace with symbolic links", DPC will try to use NTFS hard links instead of symbolic links. Hard links are more effective than symbolic links, and they don't require DPC to be running with administrator privileges. On the other hand, there are some restrictions:
1. hard links are available only on NTFS volumes
2. files being linked should be on the same volume (disk)
MultiView: show resolved duplicates with red crossed filenames
TreeView / MultiView: scan results are now sorted by file size descending (by default)
App log: application settings are dumped into the log before each scan
Bug fixes: app crash when previewing images, app stuck when grouping results

Version: 7.8.0.16 - 28th June 2022

Changes:

DPC now uses OS native access to image EXIF information instead of using third party library
Improvements to the image comparison algorithm allow DPC to find more duplicates
Multi-Viewer optimization (faster thumbnail rendering)
Hovering over images in any view mode will display a tooltip with EXIF information
UI improvements:
- Styled scrollbars in dark theme
- Added support for Windows 11 snap layout
- Double-clicking on an image preview or clicking on a file/directory name while scanning will open the current file/directory location
Updated translations
Other minor fixes and improvements

Version: 7.7.0.14 - 1st Jun 2022

Changes:

Added a new "MultiView" mode (some features such as displaying EXIF information are not supported yet, will be added in future versions)
UI Improvement: The user can now move the Search/Filter popup around the screen
Support for the latest Mac OS 12.4 and Photos 7.0
Mac OS Photos: Added a user notification that the Photos Library cannot be accessed (DPC now checks for required permissions each time a user adds a Photos Library to a scan)
Fixed an issue with auto-updating app on Mac OS
Fixed issues with bulk selection in different view modes
Other minor bugfixes

Version: 7.6.0.13 - 5th May 2022

Changes:

Added new Photos scan mode (Mac OS only)
- Compared to DPC5, this version allows users to select Photos library from custom folder (not only the default one)
- On order to work correctly, DPC should be given a "Full disk access" permission in Mac OS security preferences
Improved Windows 11 support

Version: 7.5.0.12 - 25th Feb 2022

Changes:

Added new Picasa scan mode (Windows only)
Improved support for latest Windows 11 update
Additional minor UI improvements

Version: 7.4.0.11 - 3rd Feb 2022

Changes:

Added support for Apple M1 platform
Added ability to temporarily remember user's choice between "Delete permanently" and "Move to Trash" and don't ask again until the new scan initiated by user
Additional minor UI improvements and bug fixes

Version: 7.3.0.10 - 22nd Dec 2021

Changes:

Added new "Folder Comparison" scan mode
UI improvements
Other minor UI improvements

Version: 7.2.0.9 - 23rd Nov 2021

Changes:

Added German translation
UI improvements
Fixed minor bugs

Version: 7.2.0.8 - 17th Nov 2021

Changes:

Added Mobile SmartScan mode
Added translation to French and Turkish languages
Fixed minor bugs

Version: 7.1.0.7 - 28th Sep 2021

Changes:

New translations added (Spanish, Italian, Japanese, Chinese and Serbian)
TreeView mode added (available via the "View" menu)
Better compatibility with NAS (Network storage) devices

Version: 7.0.0.6 - 26th Aug 2021

Changes:

Revamped scanning engine
New UI
Support for Windows 11 and the latest MacOS versions
Fixes and improvements

Version: 5.21.0.1278 - 27th Jan 2021

Changes:

Updated translations
Added Portuguese user manual
Improved backward compatibility with older Windows OS
New option in settings to enable/disable removing empty folders

Version: 5.20.0.1274 - 6th Nov 2020

Changes:

Scan engine bugfixes and improvements
Speed optimizations
EXIF orientation flag is now used for image auto-flip/auto-rotation
Bug fixed: #922886 (Automatic selection does not work for imported scan)
New feature: cumulative selection (can be enabled in settings)
DPC/Windows: added support for DICOM image formats (*.dcm, *.dci, *.dicom, *.v2)

Version: 5.19.0.1271 - 5th Oct 2020

Changes:

Better support for internationalization
Scan speed/Image processing optimizations
UX/UI improvements
Updated translations
Bug fixes

Version: 5.18.0.1267 - 3rd Sep 2020

Changes:

Fixed: DPC fails to load settings with custom OS locale
Fixed: DPC may hang when processing corrupted images
Improved support for the most recent Windows 10 build 2004
Solved problem with moving large amount of files to the Recycle Bin (Windows Explorer limitation overcome)
Moving/Restoring files to/from Recycle Bin is now super-fast

Version: 5.17.0.1265 - 24th Jul 2020

Changes:

DPC/Windows: image processing now uses Direct2D API for memory/speed optimizations
Other image processing speed optimizations
Added Support for Canon Raw CIFF v3 Image File (*.CR3)
Bug fixes

Version: 5.16.3.1261 - 22nd May 2020

Changes:

Performance improvements
Bug fixes

Version: 5.16.0.1258 - 12th May 2020

Changes:

Update internal codecs to support more RAW image formats
Performance improvements
Bug fixes

Version: 5.15.0.1255 - 6th May 2020

Changes:

Added an option to filter scan results by percentage ranges
Improved HEIC support
Improved Windows native codecs support
Performance improvements
Bug fixes

Version: 5.14.0.1248 - 3rd Apr 2020

Changes:

New Mobile SmartScan mode
Added a new "Use Embedded Thumbnails" option in the Settings
UX and performance improvements
Bug fixes

Version: 5.13.0.1244 - 28th Feb 2020

Changes:

Range selection and search filter improvements
Support for PaintShop Pro 2020, Lightroom Classic 9.2, Lightroom CC3.2
UX improvements
Performance improvements
Bug fixes

Version: 5.12.0.1235 - 19th Dec 2019

Changes:

Added "Copy to clipboard" context menu option
Added "Safe reverse selection" option in the Settings
Photos Scan (Mac): added an option to delete invalid entries automatically to repair the database
New search/filtering options: by EXIF capture date, by path
UX improvements
Performance improvements and bug fixes

Version: 5.11.0.1233 - 3rd Dec 2019

Changes:

Photos scan improvements
Better logging
Updated User Manual
Updated Turkish translation
Performance improvements
Bug fixes

Version: 5.10.0.1230 - 30th Oct 2019

Changes:

Added Media Device Scan
Optimized scanner core to find more duplicates
Made scan for exact duplicates super-fast
Added an option to ignore invalid groups when loading a saved scan
Updated translations
Performance improvements
Bug fixes

Version: 5.9.0.1220 - 9th Sep 2019

Changes:

Added support for JFIF and WEBP image formats
Added support for Corel Paint Shop Pro 2019
Added new context menu selection options
Improved Folder Comparison mode
Improved Windows 10 support
Performance improvements
Bug fixes

Version: 5.8.0.1208 - 31st Jul 2019

Changes:

Improved alternative matching algorithm
Added an Analysis Depth option
Improved support for Windows 10 build 1903
Numerous UI and UX improvements
Improved Same Subject scan mode
Added scrolling using the Up/Dn, PgUp/PgDn, Home, and End keys
Performance improvements
Bug fixes

Version: 5.7.0.1199 - 12th Jun 2019

Changes:

Added the Quick Start Guide to the app
Added support for showing progress in Windows taskbar
Improved compatibility with Mac OS X 10.14.5
Improved image rotation algorithm for better results
Performance improvements
Bug fixes

Version: 5.6.0.1195 - 25th Apr 2019

Changes:

Improved image comparison algorithm
Added an option to select multiple folders from a single dialog
Added ability to disable master/original image protection in Settings
Updated translations
Performance improvements
Bug fixes

Version: 5.5.0.1188 - 28th Mar 2019

Changes:

Added Search/Filter by EXIF tags
Added an option for the user to fine-tune the scan by adjusting image comparison bitmap size
Updated translations
UI improvements
Performance enhancements
Bug fixes

Version: 5.4.0.1186 - 20th Feb 2019

Changes:

Added view mode selection to Step 1
Numerous file selection and filtering improvements
Added an option to load scans from TXT and multisheet XLS files
Improved licensing
Optimized item selection for a huge number of files (over 100,000)
Updated translations
UI improvements
Bug fixes

Version: 5.3.0.1182 - 11th Jan 2019

Changes:

Optimized MultiViewer speed and memory consumption
Added an option to pause/resume scan
Added a floating info panel to Step 3
UI improvements
Bug fixes

Version: 5.2.0.1178 - 10th Dec 2018

Changes:

Added HEIC/HEIF support for Mac OS X Mojave
Added a trackbar for quick file size filter adjustment
Added a quick search/filter feature to the results
Added Lightroom Classic and Cloud CC 2018 support
Optimized memory consumption during scan
Bug fixes

Version: 5.1.0.1174 - 8th Nov 2018

Changes:

Added HEIC/HEIF image format support for Windows 10
Added support for more image formats:
*.bay Casio Raw Image File
*.erf Epson Camera Raw Image File
*.kdc Kodak Camera RAW Image File
*.rwl Leica Camera RAW Image File
*.mef Mamiya Camera RAW Image File
*.nrw Nikon Camera RAW Image File
*.ptx Pentax Camera RAW Image File
*.srw Samsung Camera Raw Image File
*.rle Windows Run-length encoding Image File
*.dds Windows DirectDraw Surface File
*.wdp Windows Media Photo Image File
*.jxr Windows JPEG XR Image File
*.hdp Windows HD Photo Image File
*.jpe Joint Photographic Experts Group
*.jif Joint Photographic Experts Group
*.j2k JPEG 2000 Core Image File
*.jpc JPEG 2000 Core Image File
*.j2c JPEG 2000 Core Image File
*.jp2 JPEG 2000 Core Image File
*.pcx PCExchange Image File
*.ppm Portable PixMap Image File
*.pgm Portable GreyMap Image File
*.pbm Portable BitMap Image File
*.svg Scalable Vector Graphics Image File
Performance improvements
Bug fixes

Version: 5.0.0.1166 - 15th Oct 2018

Changes:

New comparison algorithm
Added Windows tags support
Added Chinese translation
Performance improvements
Bug fixes

Version: 4.11.0.1164 - 10th Sep 2018

Changes:

Added an option to use an alternative matching algorithm
Added a Windows Explorer context menu
Improved registration
UI improvements
Bug fixes

Version: 4.10.1.1160 - 16th Aug 2018

Changes:

UI fixes

Version: 4.10.1.1159 - 14th Aug 2018

Changes:

Added group view mode to MultiViewer
Added an option to sort by group in MultiViewer
Added Corel PaintShop Pro support
Added Turkish translation
Performance and UI improvements
Bug fixes

Version: 4.9.1.1151 - 4th Jul 2018

Changes:

Performance improvements
Bug fixes

Version: 4.9.0.1150 - 30th Jun 2018

Changes:

Improved French translation
UI enhancements
Performance improvements
Bug fixes

Version: 4.8.0.1146 - 29th May 2018

Changes:

Added a new scan mode
Same Subject Scan
Added Italian translation
Added HEIC/HEIF image support (Mac OS X High Sierra)
Improved the Folder Comparison scan mode
UI improvements
Performance improvements
Bug fixes

Version: 4.7.0.1140 - 23rd Apr 2018

Changes:

Redesigned UI
Added Lightroom 7 support
Added Sony ARW image format support
Usability improvements
Bug fixes

Version: 4.6.0.1131 - 21st Mar 2018

Changes:

Fixed: Blue counter "Files scaned" changes its place after UI language is switched to Japanese and then back to English
Updated Deutsch (German) translations
Testimonials: do not show path in filenames and folders
Added "Display File Size" option in settings
Step 3 Table/Tree additional improvements to increase image preview area

Version: 4.5.0.1125 - 15th Feb 2018

Changes:

Changed the algorithm for determining original images
Added an option to save scan in Excel
Added French translation
UI enhancements
Minor bug fixes

Version: 4.4.0.1120 - 12th Jan 2018

Changes:

Improved image processing
Added EXIF metadata to the results
Reduced the size of the installer
Multiple UI enhancements
Minor bug fixes

Version: 4.3.0.1114 - 14th Dec 2017

Changes:

Added an option to scan individual albums in Photos (Mac)
Improved High Sierra support
Improved Windows installer
Added a View Log button and error messages popups
Fixed German translation
Minor bug fixes

Version: 4.2.1.1108 - 10th Nov 2017

Changes:

Bug fixes and performance improvements

Version: 4.2.0.1107 - 10th Nov 2017

Changes:

Added Picasa 3 scan mode
Added an option to change thumbnail size in Multiviewer
Added drag & drop support to Photos scan mode
Improved image orientation detection algorithm
Improved RAW support
Bug fixes and performance improvements

Version: 4.1.0.1096 - 04th Oct 2017

Changes:

Added an option to replace duplicates with a symbolic link
Added an option to sort duplicates by geo tags in Photos
Added an option to scan Photos libraries using Standard Scan mode
Improved work with Photos
Bug fixes
Performance improvements

Version: 4.0.0.1091 - 21st Sep 2017

Changes:

Better performance and stability
UI improvements

Version: 3.4.1.1083 - 16th Aug 2017

Changes:

Better performance and stability
Improved German and Portuguese translations
UI improvements
Faster Multi-Viewer performance
Under-the-hood fixes

Version: 3.4.0.1077 - 27th Jun 2017

Changes:

UI changes and improvements
Bug fixes

Version: 3.4.0.1076 - 23rd Jun 2017

Changes:

UI changes and improvements
Minor bug fixes

Version: 3.3.7.1053 - 3rd May 2017

Changes:

Added an option to set the similarity threshold below 50%
Added exporting the scan results to .txt, .cvs and .html
Added an option to change the file name when moving files

Version: 3.3.4.1023 - 24th Mar 2017

Changes:

Added an option to bulk-select small and large images
UI changes and improvements
Minor bug fixes

Version: 3.3.3.977 - 18th Feb 2017

Changes:

Added Spanish localization
Improved and accelerated Sector Detail Scan using multithreading
UI improvements
minor bug fixes

Version: 3.3.2.956 - 28th Dec 2016

Changes:

Add Save Scan feature
UI improvement
Fixed critical issue
Fixed for Folder Comparison Scan

Version: 3.3.1.948 - 3rd Dec 2016

Changes:

Improvement: Added support of .rw2 files
Improvement: UI
Improvement: More stable Sector scan
Bug fixes

Version: 3.2.2.934 - 4th Nov 2016

Changes:

Add PSD support for Mac

Version: 3.2.1.932 - 18th Oct 2016

Changes:

Improved work with large collection of photos
Bug fixes

Version: 3.1.1.912 - 14th Sep 2016

Changes:

Added Mac OS X Sierra support
Added Photos 2.0 support
Added an option to delete read-only files
Performance improvements & minor bug fixes

Version: 3.0.1.896 - 9th Aug 2016

Changes:

Improved UI & UI fixes
Added Folder Comparison Mode
Added helpful tips when working with master images
Fixes and improvements

Version: 2.11.8.818 - 23rd May 2016

Changes:

Improved deletion speed

Version: 2.11.6.784 - 24th Feb 2016

Changes:

Added a possibility to delete files permanently
Updated text on the Delete files form
MacOs: Speeded up the scan of raw images
Fixed - Circle with numbers not centered by the text center at the scan result screen
Fixed - User can open Settings window several times
Fixed - Application window is very big on Windows 10

Version: 2.11.4.738 - 05th Feb 2016

Changes:

Changed UI
Changed uninstall link
Fixed - Read Only preview images doesn't showed under the scroll at the Multy-Viewer view
Fixed - Application name not on the same line with text at welcome window
Fixed - Application does not show tooltip with full file name on highlight file name
Fixed - Don't show the Select Folder form in case there is only one media library in Photos