Recent Version History

This is list of changes for each release of MicroDicom DICOM Viewer

2026.4

• New features:
  
  3D volume rendering is no longer experimental, with faster and smoother rendering and lower memory use.
  Added a 3D view toolbar; windowing, show/hide overlay, copy to clipboard and export to picture now work in the 3D view.
  Added new and improved 3D presets for CT and MR (Angio, Airways, Soft Tissue, MR Angio, Color) and custom presets.
  Added automatic hiding of the CT table in the 3D view.
  Added a Scalpel, a clipping box and Keep/Remove Connected Structure for cutting the 3D volume, with undo and redo.
  Added measurements and text annotations in the 3D view.
  Added 3D snapshots (camera, preset, window and cuts), which can be saved to and loaded from files.
  Added export of the 3D model to STL.
  Added export of 3D movies to MP4.
  3D MPR and the 3D view now work together in a 2x2 layout, linked by the 3D cursor, with an option to show the MPR planes on the volume.
  Added orientation markers and camera rotation angles in the 3D view.
  Added SUVbw for PET images in the cursor value, ROI information and window center/width, including the fused image in Fusion.
  Pixel values, ROI values and Window/Level are now shown in true rescaled units for images with a low Rescale Slope (e.g. ADC and SNR maps).
  Extended the command line: anonymize options, -createSubFolder, DICOMweb support for PACS download and -pacsDate.
  Universal installer: closes a running MicroDicom before copying files, added the /ARCH=x86|x64 parameter and support for /D= for the install folder.
  Reduced the size of the user manual and updated it.
• Defect fixing:
  
  Fixed opening of color DICOM images without Planar Configuration, and color images showing as a black screen.
  Fixed windowing synchronization between series of different modalities (e.g. PET and CT).
  Fixed the DICOM server (SCP) hanging on new associations while receiving a large study.
  Fixed "DIMSE No valid Presentation Context ID" on C-GET/C-MOVE retrieve, and added clearer error messages for failed retrieves.
  Fixed series-level C-FIND/QIDO queries that sent Patient Name/ID attributes.
  Fixed DICOMweb issues: QIDO-RS results stopping at the first page, UTF-8 decoding of QIDO-RS values and the WADO-RS Accept header.
  Fixed the same patient appearing with different ages, and sorting by date in the Preview tab, when a patient has several studies.
  Fixed an issue in 3D MPR with rotated planes, mirrored rendering in 3D and the 3D view in split layouts.
  Fixed the "µ" character in DICOM tag descriptions.
  Fixed clipped controls in Download from DICOM server, the DICOM tags pane and Custom DICOM Tag search when the Windows text size is larger than default.
  Fixed the Edit and Delete template buttons becoming enabled for the default template in the Anonymize dialogs.
  Fixed typos and grammar errors in the user interface.
  Fixed multiple crashes.

2026.3

• New features:
  Added 3D volume rendering.
  Added 3D MPR with MIP, MinIP, AVG and slab thickness support, and improved MPR speed.
  Added ROI Window/Level - draw a rectangle to auto-fit contrast to that region (Alt+W).
  Added Screen Capture Selection.
  Added export DICOM to JSON.
  Hovering over a series in the DICOM browser now highlights the corresponding view in MultiView.
  Implemented sorting by Date in the Preview tab in the DICOM browser.
  Made a universal installer.
• Defect fixing:
  Fixed an issue with updating MPR and 3D volume rendering while downloading from PACS.
  Fixed an issue with scanning causing 3D rendering to switch to other images.
  Fixed an issue with scrolling images in 3D MPR series.
  Fixed multiple crashes.

2026.2

• New features:
  Added Spine labeling tool with ability to propagate labels to all images in the study.
  Added 3D cursor tool and icon, with toolbar update for 3D tools.
  Added Preview Tab with thumbnails in the DICOM browser pane.
  Added ability to drag image from the Preview tab to the view.
  Added ability to export monochrome DICOM images.
  Added Preloaded images option when opening a series to the toolbar and menu.
  Added setting for preloading all images in a series.
  Added Status column on the studies list in the Database.
  Added load and save annotations to/from JSON file and current database.
  Improved Preview tab to show images downloaded from a PACS.
  Improved Preview tab: made it the default tab, added thumbnail view, context menu support, Ctrl+click support, search text support, text placeholder when empty, and PDF/VIDEO/SR thumbnail display.
  Improved SR document viewing in Split View.
  Improved zoom tool.
  Improved arrow tool.
  Improved DICOM Browser: made the DICOM Browser pane and DICOM tags pane wider by default, enabled Delete key support, and fixed shortcuts conflict with edit box typing.
  Turn off synchronization while holding the Alt key.
  Performance improvement
  Added DICOM Conformance Statement.
• Defect fixing:
  Fixed a crash in the Preview tab.
  Fixed a crash when refreshing a document.
  Fixed a crash when loading multiframe images.
  Fixed several other crashes and potential crashes.
  Fixed a regression.
  Fixed an issue with multiframe images and image size.
  Fixed an issue where a filter applied on a multiframe image was applied only on the first frame.
  Fixed an issue with exporting inverted images.
  Fixed an issue with the Preview tab and multiframe images.
  Fixed an issue where selecting an SR in Split View did not make the item visible in the DICOM Browser.

2026.1

• New features:
  Reworked folder scanning — now 5x faster.
  Added error display in the exporter.
  Removed the progress dialog when downloading from a PACS server; progress is now shown in the status bar only.
  Faster opening of DICOMDIR files.
  Selection is now preserved while searching tags in the DICOM Tags pane.
  Added "Advanced" option to the "Send to PACS" entry in the DICOM Browser context menu.
  Added Crash Reporting.
• Improvements:
  Improved the progress bar when loading images and MPR series.
  Improved the progress bar when importing to the database.
  Improved list controls throughout the application: removed the ability to sort by clicking column headers where sorting is unnecessary, and added tag sorting in the Tag Dictionary dialog.
  Reworked the status bar progress indicator.
  Reworked timeouts in DICOMWeb.
  Refactoring.
  Updated the manual.
  Removed unused UTF-8 conversion and made file format copying occur only when loading an image. This change reduces memory usage by half during folder scanning for DICOM files.
  Faster server shutdown. Fixed an issue that occurred when starting to download a large file and closing the application.
• Defect fixing:
  Fixed an issue where byte transfer was not added when downloading only a single image.
  Fixed a crash when sending to PACS, along with several related improvements.
  Fixed an issue where searching on a non-existent DICOM server would cause the application to hang after closing the dialog.
  Fixed a potential crash.
  Fixed a regression with exporting video files.
  Fixed string decoding issues under Wine.
  Fixed issues with text encoding.
  Fixed an issue where the root item in the DICOM Browser was displayed twice.
  Fixed an empty icon appearing when the splash screen is shown.
  Fixed a regression with opening common image formats.
  Fixed a crash when playing animations.
  Fixed an issue with opening images using JPEG2000 compression with multi-fragment frame reassembly.
  Fixed a crash.
  Fixed an issue with opening files using JPEG2000 compression.
  Fixed an issue with downloading from a PACS server.
  Fixed an issue with measurements using the Ellipse tool.
  Fixed an issue with MP4 export failing on Windows 7.
  Fixed an issue with incorrect date and time when the application is first launched.
  Fixed a regression with opening DICOM files that are not part of the DICOM Part 10 standard.
  Fixed a regression with editing DICOM tags after downloading a file from a PACS server.

2025.4

• New features:
  Added DICOMWeb support.
  Added command: Open all MPR planes in split view.
  Added command: Copy linked files to database folder.
  Added command: Get current database info.
  Added command: Delete current database.
  Added Open Multiple Series dialog.
  Added command: Open all series of the current patient.
  Added ability to add DICOM tags in the Export to DICOM dialog.
  Added ability to add DICOM tags when exporting JPG images to DICOM via batch.
  Added ability to view all items of the Pixel Data tag.
• Improvements:
  Updated the manual.
  Faster sending to PACS via standard DICOM protocol.
  Improved DICOM browser pane behavior when selecting an image for the first time.
  Improved importing into the database and the database view.
  Reworked database import workflow when receiving images from a server.
  Improved the DICOM server list.
  Updated various strings in the Network Activity pane.
  Additional improvements to the Network Activity pane.
  Improved MPR loading.
  Improved context menu of the DICOM browser.
  Removed highlight from the Play/Pause button in Pause mode to avoid issues in split-screen mode.
  Improved cine toolbar updates.
  Fixed flickering in the DICOM browser pane and made keyboard navigation smoother. Also fixed keyboard handling in the DICOM tags pane.
  Improved display of short file names throughout the UI.
  Trimmed leading/trailing spaces when entering name, e-mail, or serial number in the Registration dialog.
  Anonymization no longer creates a patient folder based on name, ID, or birth date.
• Defect fixing:
  Fixed an issue loading multiframe files where orientation was located in the Detector Information sequence.
  Fixed a crash in the Network Activity pane.
  Fixed PACS sending issues and improved DICOMWeb sending performance.
  Fixed a search (find) edit issue in the DICOM browser pane.
  Fixed selection issues with MPR series in the DICOM browser.
  Fixed exporting DICOM files larger than 2 GB.
  Fixed a regression causing MPR freezing on Windows 7.
  Fixed a regression related to application behavior.
  Each downloaded study now starts in a separate query - fixes issues when downloading multiple studies at once from ClearCanvas servers.
  Removed loading of downloaded images on startup and during document refresh.
  Fixed a crash occurring in MPR.
  Fixed a defect when adding downloaded files via C-GET that were used to refresh the DICOM browser.
  Fixed a multithreading issue in Copy to Folder when files with the same names exist in different series.
  Fixed a regression where only series selection failed when the series were hidden in the DICOM browser.
  Fixed a regression where context menus did not hide in the DICOM browser pane and the Tag pane.
  Fixed synchronization issues in series and fusion modes.
  Fixed synchronization by slice position.
  Fixed issues in the Export to DICOM dialog.
  Fixed hidden text in list control headers.
  Fixed a defect where the application font would switch to a bold font after running for several hours.
  Fixed handling of DICOM scanning in folders with very long path names.
  Fixed unnecessary updates of the DICOM browser and DICOM pane when changing only an image frame.
  Fixed a crash while loading data in the DICOM tags pane.
  Fixed an issue with anonymizing nested tags.
  Fixed an issue involving two Pixel Data tags.
  Fixed a toolbar corruption issue when adding new tools.

2025.3

• New features:
  Apply wildcard settings when download from a DICOM server via command line.
  Make ability to apply color map on export, copy to clipboard and printing.
  Added Preferred transfer syntax for receiving DICOM images.
  Set MaxReceivePDULength to 65536 for better downloading and sending image to and from DICOM server.
  Refactoring.
  Added synchronization of inverted images when windowing synchronization is turned on. Also, all images from PET modality are inverted by default.
  When open containing folder on a file in DICOM browser, have to select file in Windows explorer.
  Added color map to common images.
  Anonymize don't have to make Patient folder with name, id or birthday.
• Defect fixing:
  Fixed a crash related with security issue Case VU#980101.
  Fixed a crash in scanning DICOM images.
  Fixed windowing in MPR to be taken from the original series.
  Fixed an issue with Custom tag values in the Download from the DICOM server dialog.
  Fixed an issue with invert of an image from a series.
  Fixed an issue with not restoring toolbars and panes after full-screen.
  Fixed an issue with display information in the DICOM browser and remove modality from comparing studies.
  Fixed a crash when default view is database view and show split screen.
  Fixed a crash in MPR.
  Fixed a defect with adding downloaded files from C-GET, that are used to refresh the DICOM browser.

2025.2

• New features:
  Fusion PET-CT
  Color maps
  Added export button in Database view
  DICOMDIR opening improvements
  Improvements of DICOM image opening
  Many stability improvements
• Defect fixing:
  Fixed some issue with download from DICOM server with some specific transfer syntaxes.
  Fixed an issue with loading multi frame geometry data.
  Fixed zooming have to take account pixel spacing when we do synchronization.
  Remove applying pixel spacing when export to image, video and DICOM.
  Fixed an issue with duplicate annotation on all images in the current series.
  Fixed an issue with anonymize templates.
  Fixed an issue with comparing patients with trailing and leading white space in the name.
  Fixed a crash with reindex more than one studies in the database.
  Fixed an issue about images with Rescale slope and intercept.
  Fixed an issue with grayed item in Database view.
  Fixed an issue with updating MPR combo box.

2025.1

• New features:
  Added MP4 format when export DICOM to video.
  Improvement of anonymize template dialog.
  Added ability to export image, video, DICOM and text file in Database view.
  Added subscription license support
  Added new information to the manual
  Added ability to rename and copy database files on other drive.
  Rework folder and filename naming in database.
  Added exported information to the export dialog.
  Added command line parameters for DICOM to MP4.
  Added loading window width and level for every frame from functional groups.
  Make export to DICOM expandable.
  Make Export to Video dialog expandable.
  Make export to images expandable.
  Make batch anonymize dialog expandable.
  Make database anonymize dialog expandable.
  Rework browse folder buttons.
  Changed Choose folder dialog to be unique on every place in application
  Added Auto-add to local database setting. If it is enabled, received images from a DICOM node are added to the local database.
  Some improvements with split view, database and opening files and interaction between them.
  Added startup view setting.
  Added MPR menu.
  Show pixels value in whole number on mouse move.
• Defect fixing:
  Fixed a defect with deleting files and copy file from and to database.
  Check if database is deleted and load default database.
  Added exported information to the export dialog.
  Fixed security vulnerability with check for update. CWE-295: Improper Certificate Validation
  Fixed regression with added more studies instead of one.
  Fix typo.
  Fixed an issue with disable hidden controls in expandable dialogs.
  Fixed a regression with slow anonymization.
  Fixed an issue with expired maintenance renewal and use a proper version.
  Fixed an issue in the resources.
  Rename Update studies to Reindex files.
  Fixed an issue when open an image from local database and image is not center in the view.
  Check if database view is default view, activate it on create.
  Fixed a regression with showing frames in status bar and updating loading of multiframe image frames in the view.
  Fixed a regression with multiframe images and MPR.
  Fixed an issue with white color text in a SR.

2024.3

• New features:
  Added drag and drop support for local database.
  When you type a text in search box of database view, hit Esc must clear the search box.
  Added menu command Add to local database.
  Added Import from DICOM server.
  Added shortcut to show database view and add show image view.
  Added shortcut to add to active window.
  Added "Add to active window" in Database view.
  Added Anonymize to Database view.
  Added Copy To folder in Database view.
  Added send to PACS to the Database view.
  Added Update studies to the context menu in Database view. Also, when edit tags of an image and images from the database, the database is updated.
  Added don't switch to database view when edit a tag.
  Added to sort when fill studies in Database view.
  Added Custom DICOM tag search in the Download from DICOM server dialog.
  Added button Download from DICOM server to the standard toolbar.
  Added search filter field in Download from DICOM server dialog.
  Preserve selection in tag list when switch to Edit mode.
  Added precision setting for measurements.
  Added command line parameter to import files to the local database.
  Added ability to sort images in a series by Instance number, slice location, acquisition time and file name.
  Added command line command to scan a folder for common image formats JPG, PNG, ... and convert to DICOM.
  Added interpolation settings.
  Make loading of multiframe images to show actual loaded frames.
  Added Ctrl+A to select all items in lists in Database view.
  Added extension .dcm to the download from PACS files.
• Defect fixing:
  Fixed an issue when change age of a patient and the title bar is not changed.
  Fixed an issue with showing study label in the DICOM browser.
  Fixed an issue related with not hiding context menu of list controls in Database view.
  Fixed an issue with resizing Download from Server dialog.
  Fixed an issue when change DICOM tags and after that the dialog is not refreshed.
  Fixed an issue with DICOM tag editing. Filter DICOM tags, edit a tag, after that apply other filter and edit a tag. The last tag was changed only.
  Fixed an issue with showing MPR series in Print preview.
  Fixed an issue with flicker when switch from single view to multiple view, database view is shown.
  Fixed a crash with zooming.
  Fixed an issue with delete last series and image list stay with deleted images from this series.
  Fixed an issue in Database view with not working shortcuts and also sending shortcut to enter the image view.
  Fixed an issue when select series and images in database view and nothing is shown.
  Fixed an issue with not redraw tab for views when open images from Database view.
  Fixed an issue with the installer. When install x32 and x64 version, both are installed in C:\Program files\. x32 must go to Program Files(x32).
  Fixed a regression with playing DICOM files.
  Fixed a regression with changing MPR planes.
  Fixed a regression with not restoring common images.
  Fixed a regression with searching all studies of a patient in the Download from DICOM server dialog.
  Fix an issue when select current MPR plane.
  Fixed an issue with not importing DICOMDIR files in the local database
  Fixed a crash in the Database view.

2024.2

• New features:
  Local Database
  Ability to invert color DICOM images.
  Better showing of length property in the DICOM tags.
  Added missing tooltips to commands.
  Sign with new code signing certificate.
  MPR works on multiframe images
  Improve frame geometry of multiframe single images.
  Add Clear applied filter command and also apply a filter to every image in series.
  When do rotate and flip, it will rotate or flip all images in a series.
• Defect fixing:
  Fixed a crash with URL protocol. When the URI contain path with // and add to recent file throw an exception.
  Fixed a crash regression with opening common image.
  Fixed the issue related with vulnerability case VU#491759
  Fixed showing date before epoch 1970.
  Fixed a memory leak in MPR.
  Fixed an issue with image distorted after applying a filter. Also, error message for filters have to shown only one time.
  Fixed an issue with images in series that no have Series number tag. When export them, we wrongly generate file names.
  Fixed an issue with SR and different charset encoding from the standard encoding.
  Fixed a crash when SR is opened and close the application.
  Added settings to wildcards searching in DICOM server - none, leading, trailing, both.
  Added command line parameter for overlay when use scanAndConvert.
  Fixed an issue when the user press Esc in Fullscreen mode, split view stuck.
  Fixed an issue with pixel spacing and multiframe images.
  Fixed a crash with MPR and multi view.
  Fixed an issue with rotate images and after that do MPR on these images.
  Fixed an issue with restoring MPR series after rotate, flip or applying a filter.
  Fixed an issue with rotating images with different pixel spacing by row and column.
  Fixed an issue when rotate, flip image, have to change patient positions.

2024.1

• New features:
  MPR - coronal, sagittal and axial views.
  DICOM library updated.
  Improved choose folder dialog.
  Added new look of SR documents.
  Improve the DICOM browser.
  Rework receiving files from a DICOM node.
  Show progress file in status bar when receive files.
  Added Network activity pane.
  Added maximum active downloads from a DICOM server.
  Change anonymize and replace series and study UID to be the same if input files are in same series and study.
• Defect fixing:
  Select nothing in the DICOM browser when empty view is selected or an MPR series.
  Fixed an error with code signing
  Fixed a crash with Page Down and Page Up.
  Fixed an issue with export search result from a DICOM server. Delimiter have to be excluded from the values.
  Fixed an issue with buffer overflow. Vulnerability Information and Coordination Environment - Case VU#288881
  Fixed an issue with not showing of the progress in the status bar.
  Fixed an issue with downloading from SONICDICOM PACS.
  Fixed an issue when there are studies with same study UID in the Download from DICOM server.
  Fixed an issue with 32 bit image data.
  Fixed an issue with invert of color DICOM images.

2023.3

• New features:
  Ability to download only specific series from a study in the Download from DICOM server dialog.
  Save state of list control in the Download from DICOM server dialog.
  Add initial sorting by name of search result in Download from server dialog.
  Restore split screen when full-screen is closed.
  Show the menu in full screen.
  Remember active tab in Download from DICOM server dialog.
  Add setting to clear or not to clear times and date and do the anonymizing of a DICOM images.
  Added ability to choose Apply to when edit tags in DICOM tags pane/Patient tab.
  Show error if editing of a DICOM tags failed.
  Properly edit nested tags for all images in a series, study and patient.
  Getting Window/level from the series if exist on loading.
  Added our format when printing - as stored and as displayed.
  Adding source for printing. Ability to print current image only, current series, study, patient or all patient.
  Small improvement in rendering of the print header.
  Added more layout to the Print Preview.
  Add more descriptive text to the layout combo of Print Preview and Print setup dialog.
  Added new icons for print preview toolbar.
  When scanning a folder, open and shortcut files .lnk
  Added shortcut F5 to Refresh DICOM browser command.
• Defect fixing:
  Fixed a regression with printing non-monochrome DICOM images.
  Fixed a regression with printing. We always have to use halftone.
  Fixed an issue with extra new line when export search result in the Download from DICOM server dialog.
  Fixed pixelated issue with rendering.
  Add splitter between study and series list in the Download from DICOM server dialog.
  Make proper width of the columns of the list controls in the Download from DICOM server dialog.
  Refactoring.
  Fixed an issue with refreshing the DICOM browser after receiving the find request, and it is rejected by MicroDicom after that.
  Fixed a flickering when switch from split screen to full screen.
  Remove tab swapping in the DICOM tag pane and the Download from DICOM server dialog.
  Fixed an issue with searching specific modality in Conquest.
  Fixed an issue with sorting Date, Date of Birthday and time in Download from DICOM server dialog.
  Fixed an issue with refreshing the DICOM browser after receiving the Echo.
  Fixed an issue with changing of tags on image with compression.
  Fixed an issue with ordering images in series. When all images have same instance number, compare by frame location, then compare by file name.
  Age have to be removed from comparing of patients, because different studies can be done on different ages of the same patient.
  Fixed a memory leak in print preview.
  Fixed an issue with adding Frame to non-frames images.
  Fixed an issue with page count when first open many DICOM images for print and after that open common image, but the pages are the count of the many DICOM images.
  Fixed multithreading issue.
  Fixed an issue with 2x1 is not center horizontally.
  Fixed an issue with page margins in Print Preview.
  Fixed a refresh issue with Image select pane in the Print preview.
  Fixed a defect with recalculating scrollbar in the Print preview.
  Fixed a defect with using command line parameter of the installer for changing default installation directory with /D.
  Fixed a crash in Export to TXT or CSV in Download from DICOM server dialog.

2023.2

• New features:
  DICOM tags editor
  Added ability to edit quickly Patient tags
  Better editing of patient birthdate, study and series time and date
  Added Download button to check for update dialog
  Added edit button in DICOM tags pane
  Update license message when the user uses the wrong product
  Improve context menu of DICOM tags
  Update all document for adding a favorite tag
  Added DICOM tag dictionary
  Refactoring
• Defect fixing:
  Fixed a defect in Batch dialogs
  Fixed searching via command line for specific study date and time
  Fixed defect on UI
  Fixed not expanding tree when only one file is opened and edit the Patient name
  Fixed showing of 0040, 8302 in the DICOM tags dialog
  Fixed an issue with opening user DICOM files with error. The error was that this file contains DCM_ImagerPixelSpacing with 0
  Fixed an issue with showing properly DCM_ExposureTimeInuS, DCM_ExposureTimeInms, DCM_XRayTubeCurrentInmA and DCM_ExposureInmAs in DICOM tags dialog and pane
  Fixed an issue with showing properly DCM_XRayTubeCurrentInuA in DICOM tags dialog and pane
  Fixed an issue with proper display "Exposure in µAs" in DICOM tags list
  Fixed a defect with updating DICOM tag pane, all tab

2023.1.1

• New features:
  Rework export to DICOM. Now, series UID and study UID are properly set.
  Export to DICOM improvement. Generate Study and Series UID only when we don't have already set in the DICOM image.
• Defect fixing:
  Fixed an issue with opening more zip files at once.
  Fixed an issue with scanning a folder with DICOM images.

2023.1

• New features:
  Added cross-reference lines (localization lines).
  Added Zoom synchronization.
  Windowing synchronization.
  Added series synchronization by slice position. Now the user can do synchronization from same series or different series according to the settings.
  Faster images scrolling in a series.
  Make Windowing tool more sensitive.
  Added showing of errors when communicate with other DICOM node or PACS server.
  Remove scrollbars for panning. Now vertical scrollbar change images/frames in a series.
  Some improvements on the DICOM browser pane.
  Show calculated slide location and show slice thickness and location in a metric from the settings.
  Change the Scan folder dialog.
• Defect fixing:
  Fixed an issue with rotating an image with curve measurement.
  Fixed an issue with files that have negative value for pixel spacing. It is not right. See the DICOM standard.
  Fixed regression for applying filters to the image.
  Fixed an issue with loading multiple folders and files.
  Fixed an issue with Duplicate Window.
  Fixed a defect with multi-top level windows.
  Fixed an issue with Add files. When firstly open a zip file and after that try to add file, this files is not added to the application.
  Fixed a defect with Show/Hide patient information in the DICOM browser pane.
  Fixed an issue with windowing synchronization with RGB images.
  Fixed an issue with exporting to DICOM. When input image is DICOM with missing modality tag, exported will have generated modality tag.
  Fixed a defect with setting full dynamic of multiframe images.
  Fixed an issue with downloading image from Dcm4chee. The error was "No Role Selection for SOP Class".
  Fixed an issue with opening zip files that are on path that contain Unicode characters.
  Fixed several issues with different pixel spacing by row and column.
  Fised an issue with a file from a customer that is Greek. This file doesn't have character set, but the user set Greek for non-unicode program.
  Fixed a crash when this code is invoked and MicroDicom is minimized.
  Fixed an issue with drag and drop files and folders.
  Fixed leak of GDI objects in export to image and export to DICOM.
  Fixed an issue with not loading animation settings.

2022.3

• New features:
  Preserve scrollbar position in the DICOM Tags pane.
  Fast close multi opened frames.
  Proper position when create a new frame.
  Add single instance for application.
  Fixed closing of first instance to close all instances.
  Added download new window in the Download from PACS dialog.
  Added Duplicate Window command in the File menu.
  Added New Window command in File menu.
  Added URL protocols - microidcom://
  Added download from PACS via command line.
  Added command line command anonymize.
  Added command line option to scan and convert DICOM files from folder to other format.
  Added scanCDAndCopy to the command line.
  Hold Shift key when creates Angle and Cobb angle will create an angle through 10 degrees.
  Added command line option -fullscreen.
  Added new command line option -fd. Now it is possible to open several files and folder at once.
  Added using Shift for straight lines in Distance, angle, Cobb angle.
  Added using Shift for perfect shapes - rectangle, ellipse, hide tool.
  Added status for loading in the status bar.
  Fast loading of multi frame images.
  Added SOP UID in exclude list for opening.
  Exchange DICOM tag list.
  Exclude from opening ParametricMapStorage 1.2.840.10008.5.1.4.1.1.30
  Improving update of DICOM tags pane and dialog.
  Fast loading data of the DICOM tags pane and the DICOM Tags dialog.
  Change color when hover an annotation handle.
  Added batch converting of common image format to DICOM images.
  Write CD/DVD version settings in different folder.
  Change default value of show annotations in Export to DICOM.
  Added Not for diagnostic use in the status bar and title bar.
  Rework the installer.
• Defect fixing:
  Fixed an issue with older installer doesn't overwrite newer version of MicroDicom DICOM Viewer.
  Fixed an issue with showing/hiding DICOM Tag pane.
  Fixed an issue with delete image from the DICOM browser pane.
  Fixed an issue with wrong charset value in DICOM Tags.
  Fixed a regression with loading multi-frame DICOM images with J2k compression.
  Fixed a regression with no showing of progress bar for loading images.
  Fixed an issue with hard resizing of annotation objects.
  Fixed an issue with highlighting of hover object handle
  Fixed an issue with cine play files.
  Fixed a crash.
  Fixed several defects with opening DICOM files.

2022.2

• New features:
  Added overlay that show image orientation.
  Batch anonymize
  Anonymize
  Improve Export to DICOM. Now you can export DICOM tags and use JPEG compression.
  Change default value of show annotation in export to DICOM
  Fixed default value for search in sub folders
  New check for update dialog
  Refactoring exporters
  Enable copy to folder for all DICOM objects
  Fixed export to DICOM to be DICOM standard compliant
• Defect fixing:
  Fixed not shown on startup DICOM and TAGS panes
  Fixed an issue with CD/DVD trial version
  Disable check for update in CD/DVD version
  Fixed several defects in option page
  Fixed an issue with layout for licensing information
  Fixed an issue with the installer. MicroDicom is run with non-admin right after finishing installing
  Added excluded DICOM UID.
  Disable Drag & Drop for CD/DVD version
  Refactoring

2022.1

• New features:
  Added first version of user manual
  Change autorun.inf of CD/DVD version to use scanning by default instead opening of DICOMDIR
  Ability to hide license e-mail and other conditions related with the license
  Save state of DICOM browser when receive DICOM image or refresh it
  Remove DICOM files from scanning that have SOP class Presentation state
  Read RecommendedDisplayFrameRate and CineRate tag values
  Restart animation on image change only if frame time is different
  Rework copy to clipboard
  Added new shortcuts
  Make patient name column smaller in Download from PACS dialog
  Remove disabling of Clear button in Download from PACS
  Added new columns to the Download from PACS dialog
  Rename Plane tool to Scroll tool
  Added ability to load more than one file via Open dialog
  Added ability to drag and drop many DICOM files, folder
  Added ability to edit every annotation regardless which tool is current tool
  Added Ctrl+Click on image in DICOM browser will add the image in the split view
  Added shortcut to:
  View first/last patient(Home, End)
  View before/after 10 images(Page up, Page Down)
  View next/previous series(left, right arrow)
  Added ability to go to the next/previous series, next/previous patient
  Added new shortcut mouse function
  Added implementation for middle button, back and forward buttons and horizontal wheel
  Made measurement in US images to work. Now MicroDicom read all US calibration regions
  Added zoom and pan to the mouse cursor
  Added settings to control what will be shown in the title of the application
  Enter key in editbox will start search of Download from PACS dialog
• Defect fixing:
  Fixed a typo in the EULA
  Fixed an issue with Favorite tag pane. Now if a DICOM tag exists on more than one place in a DICOM file, all values will be shown
  Fixed an issue with next/prev image, series, patient
  Fixed an issue with not applying FPS written in the file
  Fixed regression with resize annotation with holding Shift or Ctrl button
  Fixed a crash when use split view and delete image that is shown in many child windows of the split view
  Fixed a crash when open images with split view visible
  Fixed an issue with downloading from PACS via dialog and DICOM tags pane don't update with new information about patient name, etc
  Fixed an issue with showing last image in study when download from PACS. Now it will show first image.
  Fixed wrong .dcm file icon when MicroDicom is registered to open by default .dcm files. It is regression from MDI to SDI
  New way to fix issue with no instance number when load images from DICOMDIR file
  Fixed an issue with ordering images in series, when files are loaded with DICOMDIR file
  Fixed an issue with truncated long names on title bar
  Fixed an issue with starting server in CD/DVD version
  Refactoring

4.0.0

• New features:
  Added Send to PACS
  Added Accept Receiving Studies
  Added remove command to remove all patient from DICOM browser.
  Show error message if server can be started on running of application.
  Rework progress dialog and add status for sending images to PACS.
  Change the icons for add and remove images from DICOM browser.
  Added Remove button to the DICOM browser's toolbar.
  Added ability to remove image from DICOM browser.
  Rework DicomRequest hierarchy
  Made MicroDicom SDI instead of MDI
  Rework creating sub-folder on export. Added option to control the names of created folders.
  Added option to use original/generated files name on export.
  Exporters: Generate names of exported files.
  Select file in File Explorer after export, if the export produces single file only.
  Don't create folder if there are nothing for export, when export DICOM to JPEG
  Added ability to export only current frame/plane when export multiframe DICOM image to DICOM.
  Added ability to show multi value tags in Overlay.
  Added Open File Explorer after export checkbox in export dialogs.
• Defect fixing:
  Fixed a regression with copy to clipboard.
  Fixed a regression related with finding patient in DICOM browser.
  Fixed an issue with wrong title of application.
  Fixed a crash in DICOM browser.
  Fixed an issue with searching specific modalities in a PACS server.
  Fixed an issue when open SR on first open.
  Fixed an issue with calibration. Also saved calibration from setting are applied only in the calibration dialog.
  hase1: - UI and backend without error handling.
  Fixed an issue with selection many times with the new UI of DICOM browser.
  Fixed a crash when delete image and the next selected file is SR.
  Fixed a gray static text on print preview toolbar.
  Fixed a crash when failed to open document and we have already opened document.
  Fixed C-ECHO failing to MicroDciom.
  Use releaseAssociation of the scu.
  Fixed an issue with charset. Many DICOM files are with wrong constructed Specific charset value. We already handle these case.
  Fixed small issue with DICOM dialog layout.
  Fixed an issue with default setting value.
  Rework loading of settings.
  Fixed showing image that have different pixel spacing for row and column. We have to apply pixel spacing to width and height of an image.
  Fixed a defect with date view in DICOM browser.
  Refactoring

3.9.5

• New features:
  Added Cobb angle measurement
  Added open and closed curve measurement
  Rename Custom Tags to Favorite Tags
  Rework DICOM tags dialog and fixed several defects
  Add ability to move an annotation when point information text
  Added ability to move information box of an annotation
  Added macOS wine package
  Make faster calculation of object with area
  Change inverse to invert
  Select first annotation in image after deleting an annotation
  Stopping support for Windows XP
• Defect fixing:
  Fixed defect with not hidding context menu in DICOM browser pane and DICOM tags pane
  Fixed and issue with opening SR file
  Fixed a crash in select tool
  Remove smart docking of panes. There was a bug that they stuck on the screen
  Fixed an issue with license quantity information
  Fixed an issue with negative standard deviation
  Fixed a crash with duplication curve in other images in a series
  Fixed an issue with dockin panes
  Fixed a crash under Window 7 with one core

3.8.1

• New features:
  Major update in DICOM library
  Support new DICOM attributes which were introduced recently
  Performance improvements
  Stability improvements
  Initial error handling for download from PACS server
• Defect fixing:
  Fixed an issue with string encoding
  Fixed an issue with empty PACS storage folder

3.7.7

• New features:
  Refinement of PACS option dialog
  Added ability to add same DICOM server with different AEtitle
  Performance improvements
  Stability improvements
• Defect fixing:
  Fixed several crashes

3.4.7

• New features:
  Rework settings. Now settings are saved in one file - settings.xml.
  Added default zoom setting.
  Added export to txt/.csv of search result in Download from DICOM server dialog.
  Added "Copy to clipboard" to the Download from DICOM server.
  Added ability to open password protected zip files.
  Added code signing certificate.
  Added folder path to settings where to store downloaded images from DICOM server.
• Defect fixing:
  Fixed an error in settings xml files.
  Fixed an issue with reset settings.
  Fixed a crash in settings.
  Fixed several defect with loading and saving settings.
  Fixed a defect with in Download DICOM server dialog related with "Search all studies of this patient".

3.3.2

• New features:
  Added folder to setting where to store downloaded images from DICOM server.
  Added ability to remove check for update menu item. Also remove check for update menu item from CD/DVD version.
  Added standard derivation, mean, median, minimum, maximum, sum of rectangle and ellipse measurements.
  Added ability to change the units of measurement tools - millimeters, centimeters and inches.
  Added ability to get measurement system from the OS.
• Defect fixing:
  Fixed an issue with exporting DICOM to common images.
  Fixed an issue with saving settings in "Download from DICOM server" dialog.
  Fixed an issue with applying Inverse to all images in current series.

3.2.7

• New features:
  Added ability to remove check for update menu item. Also remove check for update menu item from CD/DVD version.
  Remove shadow of the menus.
  Added search in DICOM tags dialog and DICOM tags panes.
  Added sort by date in DICOM browser.
  Added option for showing patient ID or patient name in DICOM browser.
  Added hiding levels in DICOM browser.
  Added ability to search in DICOM browser by studies, series and images keywords.
  Added new option icon in application.
  Changed run.bat file for CD/DVD version.
• Defect fixing:
  Fixed caption of export to image and export to video dialog.
  Fixed an issue with save default windowing in the setting file.

3.1.4

• New features:
  Add default windowing option when open an image 
• Defect fixing:
  Fixed an issue with not enabled apply button after a change in PACS option page.
  Add missing mnemonics in all dialogs.
  Fixed regression with changes in Windowing manager.
  Fixed an issue with reset button in Option dialog.
  Fixed selection in window/level page and DICOM server page.
  Fixed several bug in Windowing engine.

3.0.1

• New features:
  Added Hide area tool.
  Added annotation properties - thickness, color, opacity and name.
  Added annotation properties dialog.
  Added increase and decrease thickness of annotations.
  Added increase and decrease font size of annotations.
  Rework Measure and annotate main menu and context.
  Added ability to select more annotations. Added rectangle select tool.
  Add Show, Show is selected and Name only options for annotation's information box.
  Rework measure and annotate option page.
  Auto scale overlay font size.
  Added Reset button to the Option page. It will reset all to factory settings.
  Added ability to change overlay font type in the Overlay option page.
  Rename animation page to cine page.
  Make drawing of annotations faster.
  Rework overlays.
  Get FPS from DICOM file.
  Added radio button for default and custom FPS to Video export dialog.
  Added FPS slider to the Cine toolbar.
  Added cine source to the Cine toolbar.
  Merge animation and frame toolbar to Cine toolbar.
  
  
• Defect fixing:
  Fixed a defect with selection.
  Fixed an issue with redrawing of active view when switch the view.
  Fixed a defect with non-stopping animation when switch views.
  Fixed a defect non-stopping animation when change source of animation to image.
  Fixed an issues with doesn't fill tag pane when open an image.
  Fixed a crash with switching views.
  Fixed showing zero for time tag, when it doesn't exist.
  Fixed files with unknown EVR.
  Fixed a crash when try to show print preview on encapsulated DICOM file.

2.9.2

• New features:
  Added split screen for comparing several DICOM images
  Reworked the Shape toolbar
  Added way to update license information via About dialog and License information dialog.
  Performance improvements
  Added new icons
  Added ability to reset current application settings to factory settings with pressing and hold F7 button while starting the application
  Changed "Open" button on main toolbar
  Extended the CD/DVD version.
  
  
• Defect fixing:
  Forbid to create empty metric and annotation objects

2.9.0

• New features:
  Add ability to apply Window Width and Window Level to RGB images.
  Add ability to change window width and window level of common image(jpg, png, gif, tiff)
  Performance improvements
  
   
• Defect fixing:
  Fix a issue with opening JPEG2000 multiframe images.

2.8.3

• New features:
  Search and retrieve images from PACS servers
  Add ability to exclude images from printing in Print preview
  SR files improvements - can be open and if they contain errors.
  Rework about dialog
  Rework options dialog
  Rework calibration dialog
  Rework Image size dialog
  Rework iteration and windowing dialogs
  Rework export dialogs
  
   
• Defect fixing:
  Fix a issue with SR document encoding.
  Fixing a print preview issues. Annotation text doens't display in print preview. Also fix issue with bigger text after printing.
  Fix issue with duplicate annotation to other frame of multiframe DICOM image
  
  

2.7.9 

• Defect fixing:
  Fix minor issue in licensing manager

2.7.6

• New features:
  Rework saving user data in the application folders
  
   
• Defect fixing:
  Fix frame tool issue

2.5.1

• New features:
  Improve JPEG2000
  Save value for manually calibration in the XML.
  Add an annotation to every frame in a multi frame DICOM image
  
   
• Defect fixing:
  Fix an issue with loading DICOMDIR files
  Fix a crash with applying filters
  Fix an issue with slider in Export to image and video dialogs

2.2.5

• New features:
  New progress dialog when scan and load DICOM files
  New progress dialog when export
  Add export DICOM file to text file and CSV file.
  Add button to export in DICOM tags dialog.
  Add Copy value to the context menu in DICOM tags dialog
  Add Copy All to the context menu of the DICOM tags dialog
  Rework UNICODE functions for better handling of multi language property in DICOM images
  Ctrl+A now works in the DICOM tags dialog
  Add Copy to Folder
  Add Copy To Folder to context menu
  Help improvement
  
   
• Defect fixing:
  Fix an issue with copy to clipboard
  Fix an issue with adding custom tag
  Disable Export to video when current image is not a DICOM file

2.1.2

• New features:
  Add support for encapsulated PDF.
  Print all images of current series.
  Improved print preview.
  Update the EULA.
  
   
• Defect fixing:
  Fix a crash with JPEG200 DICOM files

2.0.0

• New features:
  Export common format images to clipboard.
  
   
• Defect fixing:
  Fix issue with Window level combo.
  Fix every time loading of MPEG DICOM files.
  Fix issue with zoomed images from different series.
  Some dialogs resource fix.
  Improve calibration and better viewing 1:1 of a image.
  Fix issue with common image formats.

1.9.0

• New features:
  Support JPEG-LS.
  Improve calibration: New status bar message that show type of calibration. Can calibrate with right click of distance measurement.
  Add mnemonics to all dialogs.
   
• Defect fixing:
  Fix defects with exporters.
  Preserve position and size of annotations when user make flip and rotation of a image.
  Enable/Disable restore button.

1.8.0

• New features:
  Fast export to common image formats.
  
   
• Defect fixing:
  Fix hard picking of annotation's handles.

1.7.0

• New features:
  Rework progress bar and fast scanning.
  Support MPEG transfer syntax.

1.6.0

• New features:
  Change version of Shell extension and add x32 extension with x64 installation.
  Make DICOM shell extension UNICODE 

1.5.0

• New features:
  Make CD version configuration.
  Exhange build system.
  
   
• Defect fixing:
  Add exportDicom.xml setting file for export to DICOM images

1.4.0

• New features:
  Remove donation menu item. Add Online store menu item.
  Rearrange Help menu
  Add license file to app, setups
  Add registration dialog to help menu
  
   
• Defect fixing:
  Fix defect with Jpeg2000 import
  Also some fix for arrow object.

1.3.0

• New features:
  Make default animation target series.
  Change overlay text font to Consolas.
  
   
• Defect fixing:
  Fix defect with text Tool

1.2.0

• New features:
  Add DICOM Structured Reporting support.
  
   
• Defect fixing:
  Fix defect with no modal browse folder.
  Fix several defect that was found with static analyzers

1.1.0

• New features:
  Add Text annotation. Also set cursors for other annotation.
  Add Arrow tool.
   
• Defect fixing:
  Fix crash with DICOMDIR files and open DICOMDIR files with images that have full path.
  Make installer to delete whole folder in Program files with files left in it. 

1.0.0

• New features:
  
  Update of Help file
  Use new version of OpenJpeg library
  Change and improve manifest files.
  Improvements to graphics engine
   
• Defect fixing:
  
  Remove AcquisitionTime, because making many series,
  Also remove black final frame.
  Proper label of export series 000

0.9.1

• New features:
  
  Frame tool scrolls between images in series
  Improve search of DICOM images
  Improve export to DICOM images. Now you can export many DICOM files to DICOM
   
• Defect fixing:
  
  Fix typo errors
  Fix date and time defect
  Fix search DICOM images with Unicode names
  Fix application don't start on Windows server 2008
  Fix crash with opening DICOMDIR files
  Fix slow loading of DICOM tags dialog

0.8.9

• New features:
  
  Show/hide patient information in DICOM browser and Patient Tab
  Add 'Open containing folder' in context menu of current image and DICOM browser
  Free hand tool
  Multi touch support - rotate, zoom and pan gesture of DICOM image
  Improve export to video - export to WMV, export annotations and overlay, export to separate video files
  Add folder and add image
  Copy, Delete, Paste annotations
  Improve setup
   
• Defect fixing:
  
  Fix restore orientation
  Fix crash with export to video
  Fix some color DICOM images

0.8.8

• New features:
  
  Open zip archives with DICOM image
  Display 0002 group in DICOM tag list
  Display sequence items properly
  Show/hide patient information in overlay
  Export multiframe images to DICOM file
  Faster scan for DICOM images
  Support Restart Manager
   
• Defect fixing:
  
  Fix export DICOM image to EMF
  Remember default open type
  Fix distortion of images when make Rotate 90 degrees of non-square images
  Handle large DICOM files in 32 bit version
  Fix image order in series
  Fix crash with export to video

0.8.7

• New features:
  
  JPEG 2000 compression
  Copy to clipboard DICOM tag value
  Drag and Scroll - Improve plane tool
  Save calibration settings
  Starting the viewer with the window maximized in CD/DVD version
  Export images with overlay
  Set accelerators to all commands
  Rearrange menu items
  Improve file association, add open with registry key, add open directory registry key.
  Resource leak fix with drawing.
  Improve export to image - export with overlay, export current view to image, export custom size to image
  Add overlay type to print settings
  Add file prefix to Export to image dialog.
  Implement new Custom Tag Tab in DICOM tag pane
   
• Defect fixing:
  
  Export fails when study/series includes special characters
  Export images fail.
  Export dialog problems
  Export JPEG to DICOM
  Reverse button doesn't loop
  Pixel spacing X and Y order
  Improve CD version settings
  Save show/hide overlay in settings.
  Save Show/Hide annotations in settings
  Fix defect with printing annotations.
  Fix tab order of dialogs.
  Fix defect with updating Angle button.
  Fix Sobel crash and memory leak
  Fix defect with exporting
  Fix some defect in export image dialog.
  Save files with new name if they exist.
  Fix defect with firstly selected image in DICOM browser.
  Change DPI awareness and made all dialog to use proper font. This is for high DPI resolutions.

0.8.6

• New features:
  All settings in XML files
• Defect fixing:
  Fix save calibration settings
  Fix CD/DVD version settings

0.8.1

• New features:
  Open CD/DVD
  DICOM tags pane
  New DICOM tags dialog
  Load overlay tags from XML
  Remove unused items from menu and toolbars
  New look of Standard toolbar
• Defect fixing:
  Fix Restore orientation
  Fix updates of menu item
   

0.7.8

• New features:
  Save print options
  Print overlay and annotation
  Overlay options
  Open folder after picture and video export.
  Add refresh button in DICOM browser
  Save overlay setting
• Defect fixing:
  Crash with SR on Windows XP
  Fix defect with exporting DICOM images. Images was distorted
  Add missing tooltip

0.7.7

• New features:
  Measure&Annotate options
  Overlay options
• Defect fixing:
  Option to change text's color of measurements
  Nagging about default viewer

0.7.1

• Defect fixing:
  Cd version problem
  Order images in series
  Window/Level must change on all series
  Export dialog must last selected settings
  Save cine options

0.5.4

• Angle metric
• UI bugs
• Few other bugs

0.4.2

• UI bugs
• Distance metric
• Rectangle metric
• Ellipse metric
• Calibration

0.2.2

• Fix Installer problem
• Options dialog bugs
• Open/Save dialog fix
• Animation bugs fixed
• Added new menu item - Open DICOMDIR files
• UI bugs

0.2.1

• New version of DICOM toolkit
• AVI compression dialog
• Few bugs

0.1.5

• Fix problem with DICOM browser pane

0.1.4

• Build for x64 platform
• Fix export patient to picture bug

0.1.1

• Print support
• Fix some bugs

0.0.6

• Fix bug with default encoding
• Fix menu bugs

0.0.5

• Fix installation
• Fix mess with exe and dll-s

0.0.4

• Silent installation

0.0.3

• Fix bug with opening DICOMDIR
• Fix bug in DICOM tags dialog

0.0.2

• New UI engine
• Some new icons
• Some bugs are fixed

0.0.1

• first version of DICOM viewer