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Applies to: Customer's Canvas On-Premises; Design Atoms .NET 7.0 - 7.4

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Design Atoms C# Framework Changelog

This topic includes new features, improvements, and bug fixes for the front-end lib of Design Atoms Framework 7.

7.4.0 - September 18, 2026​

New Features​

  • Graphics Mill 12: All SDK components now use Graphics Mill 12. This update brings the following improvements:
    • ImageItem in a graphics container now supports CompressedImage. If an image does not require processing, it stays in the compressed form. The extraction logic is exposed in ImageExtensionMethods: use GetBitmapFromImage for operations over the bitmap, such as processing before rendering, and GetBitmapScope, which returns an IDisposable wrapper, for read-only scenarios, such as counting colors in ColorDiscoverer.
    • The font registry is now built by several workers whose small registries are merged into one root registry. The new FontRegistryBuildWorkerCount parameter in the Design Atoms configuration sets the number of workers. Registry cloning now uses the new Graphics Mill Merge operation. It is nearly free and runs about two orders of magnitude faster than before.
    • Soft masks are now processed without rasterization.

Breaking Changes​

  • Removed the legacy text engine from the backend. The ForceLegacyTextRendering parameter is removed from the Design Atoms configuration.

Bug Fixes​

  • Fixed the MaxSize storage cleanup strategy. With this strategy, the cleaner no longer removes all files regardless of the storage fill target settings.
  • Fixed an issue where broken file metadata caused a serialization exception and blocked the preview step. If a file is corrupt, its metadata is now rewritten.

7.3.6 - September 2, 2026​

Proof Rendering Improvements​

  • Improved rendering of proof images when print area borders are present. Rendering bounds are now extended to accommodate the maximum border width, preventing borders from being clipped when a print area is positioned at the edge of a surface.
  • Borders are now rendered on top of all design layers when rendering proofs with mockups.

Border Line Auto-scaling​

  • Added the BorderLine.FixedBorderWidth property to control border thickness and spacing behavior:
    • true: Uses the specified thickness and spacing as-is, without adjustments.
    • false: Automatically adjusts thickness and spacing based on rendering DPI and product size for optimal visibility in proofs.

Bug Fixes​

  • Fixed an issue where print area borders were clipped in proof images when a mockup was present. Borders are now rendered correctly even when the print area is positioned at the edge of a surface.

7.3.5 - August 26, 2026​

General Improvements​

  • RecolorEffect: Added support for automatically cropping images to opaque content bounds after background removal.

Breaking Changes​

  • ColorUtils: The ParseToWebColor(Color color) method has been renamed to ConvertToWebColor(Color color). Update your code references accordingly.
  • TemplateConverter: Added new overloads that use the ConvertSettings type. Conversion parameters have been moved to this type. Important: Overloads that accept conversion parameters as direct method arguments are now deprecated and will be removed in a future version.

Bug Fixes​

  • Fixed an issue where elements disappeared in auto-layout during VDP workflows and high-resolution output when not all fields were populated.
  • Fixed an issue where changing a product option prevented image uploads and clipart insertion.

7.3.4 - July 30, 2026​

General Improvements​

  • Added application prefix to DesignAtoms log categories to prevent collisions across services.
  • Ensured concurrent access to metadata files in FileSystemStorage for multi-instance mode.

7.3.3 - July 24, 2026​

General Improvements​

  • Optimized the Recolor effect performance. Now, it consumes fewer resources when rendering some specific files.
  • For vector images containing spot colors, preview preparation now performs an intermediate conversion to the target color space and the hi-res profile.
  • Added the Reimport and Clone methods to PaletteService: Reimport re-imports a palette with new content but keeps the old UID, and Clone creates a palette with the same content but a new UID.
  • Added the ParseToWebColor method to ColorUtils, which converts a Design Atoms color into a string in the HTML format.
  • Reduced the number of I/O operations with file storage. This fixes file access errors in the Design Atoms resource storage.
  • Added the /AddResourceFromCache endpoint, which promotes cached images to the state resources storage. This fixes the display of texture containers when some IFrame API methods did not add images to the state resources storage.

Bug Fixes​

  • Fixed preview generation with an empty previewMockup.
  • Fixed spot color conversion during preview generation. Now, spot colors selected for SVG and raster images display correctly.

Other​

  • The ForceLegacyTextRendering parameter in the DesignAtoms configuration no longer affects the text engine selection. The current engine is always used.

7.3.2 - July 7, 2026​

Bug Fixes​

  • Fixed /pth endpoint returning 404 errors by replacing cache with state resources repository.

7.3.0 - June 18, 2026​

Bug Fixes​

  • Fixed an issue where images failed to load from external storage.
  • Resolved a console 500 error that occurred when inserting a multi-color SVG graphics on the canvas.

7.2.8 - June 10, 2026​

Bug Fixes​

  • Fixed an issue where spot colors using alternative LAB color spaces were drawn incorrectly in PDF output files.

7.2.7 - June 1, 2026​

Bug Fixes​

  • Fixed an issue where print area bounds were not rendered in one of the RenderProof overloads. The preview rendering method now correctly displays print area bounds.

7.2.6 - May 28, 2026​

  • Added print area border rendering in proof files and mockup previews, controlled via a new ProofConfig option and styled through the PrintAreaBorderLine property.

Bug Fixes​

  • Fixed an issue where initializing the Design Editor without a token under JWT authentication returned a 500 error instead of a 401 Unauthorized response.

7.2.5 - May 19, 2026​

Bug Fixes​

  • Fixed an issue where saving private designs to Asset Storage failed due to an incorrect file path (resolving to the IIS executable root instead of the asset location).

7.2.3 - April 29, 2026​

IDML Color Profile Handling​

  • Changed importing IDML files: the original color profile embedded in the IDML is now retained and assigned to all elements. Previously, a default profile was used for rendering. An error occurs if the required profile is missing when importing.

Bug Fixes​

  • Fixed an "Invalid security token" error in the console during RequestInitData responses.
  • Fixed some issues with inserting RTL text.

7.2.0 - March 23, 2026​

New Features​

  • Added support for arbitrary-shaped print areas beyond standard rectangles.
  • Added support for shrink mode for bounded text.
  • Rendering container groups to separate files: You can now group containers of the same type to render them onto the same page or file. To control how container groups to be rendered, set the HiResOutputRenderContainerGroupToSeparateFiles property to true in RenderingConfig. By default, groups remain empty (set to null) to maintain legacy rendering behavior. New grouping rules apply only when a specific group is defined for a container.

Bug Fixes​

  • Fixed a problem when some templates containing text on a curve would not import correctly.
  • Fixed rendering proof images with specific print areas and containers.

Deprecation​

HiResOutputChannelContainersToSeparateFiles is now deprecated. This parameter will be removed in a future release. To ensure compatibility and leverage the new grouping logic, please migrate to the HiResOutputRenderContainerGroupToSeparateFiles setting.

7.1.70 - December 29, 2025​

Performance Improvements​

  • Optimized processing of large state files by increasing timeout limits, improving serialization, and protecting active state files from cache eviction.
  • Implemented server-side caching for /getcolorpreview and /getcolorpreviews endpoints to reduce redundant processing and improve response times.

Bug Fixes​

  • Fixed incorrect rotation of nested layout items by aligning frontend and backend transform logic.

7.1.69 - December 11, 2025​

New Features​

  • Added a service to generate white ink underlays for designs. The algorithm replicates the original design's layout, replacing all colors with a target spot color while preserving transparency. Supports three output modes: WhiteInkOnly, Page, and Container. Optimizes paths and applies Overprint Fill for consistent print quality.

7.1.68 - December 4, 2025​

General Improvements​

  • Optimized processing designs with alpha masks. Now, the system respects the original DPI of images, preventing memory issues for large outputs.
  • Improved the colorize algorithm. Reduced memory usage, eliminated leaks, and optimized pixel processing, significantly lowering overhead during intensive operations.

Bug Fixes​

  • Fixed a problem that caused AccessViolationException when loading a state file containing PDF graphics with soft masks.

7.1.67 - November 24, 2025​

Bug Fixes​

  • Fixed misaligned text rendering on 3D mockups.
  • Fixed incorrect text positioning in Auto Layouts.

7.1.66 - November 10, 2025​

Bug Fixes​

  • Fixed an issue where rotated text was incorrectly rendered.
  • Fixed positioning errors in nested layouts, ensuring consistent text rendering between the frontend and backend.

7.1.64 - October 30, 2025​

Colorize Algorithm Improvements​

  • Implemented smart binary thresholding for better mask accuracy.
  • Added background detection and removal to prevent artifacts.
  • Boosted performance by ~1.3x with direct bitmap memory writing.
  • Fixed bugs in alpha contour extraction, minor optimizations, and refactoring for stability.

Bug Fixes​

  • Fixed a problem with color management when there were SVG graphics in a colorless container.
  • Fixed a problem that caused an AccessViolationException when loading fonts using the FontProvider.

7.1.61 - September 25, 2025​

Bug Fixes​

  • Fixed an AccessViolationException that occurred during the rendering of templates with transparent backgrounds.

7.1.60 - September 12, 2025​

Bug Fixes​

  • Fixed a rounding error in the expand box overflow strategy, which caused some text to be clipped and not displayed.
  • Fixed a problem when incorrect DPI calculations for texture containers caused slow proof image rendering.

7.1.58 - August 25, 2025​

General Improvements​

  • Improved the algorithm to colorize images. Now, if you have inserted a vector image (PDF, SVG) into a placeholder with the colorize effect enabled, it remains vector after applying the effect. This effect will also maintain spot colors when recoloring.

7.1.56 - August 18, 2025​

Bug Fixes​

  • Fixed a problem with embedding images that have external links.
  • Fixed a problem with rendering previews of colorless containers.
  • Fixed a problem with rendering previews for remote source images.

7.1.54 - July 31, 2025​

Bug Fixes​

  • Fixed a problem with missing DisplayName in PlaceholderItem.Content.

7.1.52 - July 21, 2025​

General Improvements​

  • Improved resource persistence in templates. External images referenced through URLs, paths to Asset Storage, and paths to private assets can now be embedded into state files for long-term data preservation using the EmbedProductImagesAsync() method. If an image becomes unavailable, it will be removed from the state. After invoking this method, save the updated state file.

Bug Fixes​

  • Fixed a problem when an extra page was rendered when the background contained no design elements.

7.1.51 - July 16, 2025​

Bug Fixes​

  • Fixed rendering issues caused by empty or missing font size attributes in auto layouts.
  • Fixed a problem with rendering spot colors.
  • Fixed handling of null values for string list markers during template import.

7.1.49 - June 26, 2025​

Bug Fixes​

  • Fixed a problem with recoloring raster image with large palettes and transparency.

7.1.47 - June 6, 2025​

Bug Fixes​

  • Fixed a problem with defining output colors to render spot containers.
  • Fixed a problem with importing design files containing empty nested items.

7.1.46 - May 29, 2025​

General Improvements​

  • Added support for non-separable blend modes: Hue, Saturation, and Luminosity.

Bug Fixes​

  • Fixed some problems with rendering mesh shading to PDF files.
  • Fixed multiple-word alignment issues with tab offsets in text lists.

7.1.44 - May 15, 2025​

General Improvements​

  • Added the Fax and Addresses fields to BarcodeData to define vCards.

7.1.42 - April 25, 2025​

Bug Fixes​

  • Fixed a problem with rendering variable text fields in some cases.

7.1.41 - April 7, 2025​

Bug Fixes​

  • Fixed a problem with rendering of sup text to PDF in the Text output mode.
  • Fixed a problem when Point Text in auto-layout groups was not rendered as text when using the Text output mode.
  • Fixed a problem when path styles were not applied when rendering SVG graphics.
  • Fixed a problem with reading gradient opacity masks in PDF files.
  • Fixed a problem when layer visibility settings were lost in Adobe Illustrator artwork with hidden layers, causing all layers to appear in proof images.

Other​

  • The type of the AutolayoutSettings.Margin property has been changed from int to float to prevent group layout changes caused by rounding issues.

7.1.38 - February 21, 2025​

Bug Fixes​

  • Fixed a problem with rendering hires outputs to BMP format.

7.1.36 - January 23, 2025​

Bug Fixes​

  • Fixed a problem when the outlines of elements loaded from IDML files were not rendered in spot color.

7.1.35 - December 28, 2024​

Bug Fixes​

  • Fixed a problem with rendering some text elements on proof images and hi-res outputs.

7.1.31 - November 7, 2024​

Bug Fixes​

  • Fixed some problems with rendering the spot colors when their alternate color is defined in Lab color space.
  • Fixed a problem when rendering tasks produced incorrect print files for single spot container when rendering to separate files.

7.1.30 - November 5, 2024​

Bug Fixes​

  • Fixed a problem with importing PSD files created in Photoshop 2024, 2025.

7.1.29 - October 25, 2024​

Bug Fixes​

  • Fixed a problem when plain text items were rendered enlarged in preview images with mockups after resizing the text on the canvas.

7.1.28 - October 3, 2024​

Bug Fixes​

  • Fixed some problems with rendering image placeholders and text items when their visibility is set to false.

7.1.27 - September 3, 2024​

Bug Fixes​

  • Fixed a problem with rendering variable text fields that contains ampersand (&) symbols.

7.1.26 - August 26, 2024​

Bug Fixes​

  • Fixed a problem with barcode validation occurred during editing.

7.1.22 - July 16, 2024​

Bug Fixes​

  • Fixed a problem with importing IDML files in the LegacyIdmlBleedParsingEnabled mode.
  • Fixed invalid color conversion when rendering groups of items imported from IDML.
  • Fixed a problem with rendering some script fonts on the canvas

7.1.21 - July 5, 2024​

Bug Fixes​

  • Fixed a problem with validation of barcode contents when VDP rendering.
  • Fixed a problem when the transparent background of embedded images turned white when rendering designs.

7.1.20 - June 14, 2024​

Bug Fixes​

  • Fixed a problem with import of IDML templates.
  • Fixed a problem when a one-pixel stripe would be rendered on preview images when using overlay mockups.
  • Fixed a problem with rendering autolayouts.

7.1.19 – May 23, 2024​

Bug Fixes​

  • Fixed a problem with color management when a new spot color added to a design would appear as semi-transparent color.

7.1.18 - May 22, 2024​

General Improvements​

  • Added support for regions defined in channel containers. You can now import items with the <R> marker defined in the layer group of a container <CN>.

Bug Fixes​

  • Fixed a problem with rendering text that contains non-escaped ampersand (&) symbols at the end of a string.
  • Fixed a problem with rendering proof images when watermarks are enabled.
  • Fixed a problem when low-quality images were rendered instead of high-resolution outputs.

7.1.17 – May 8, 2024​

Bug Fixes​

  • Fixed a problem with migrating STO files to newer versions of Design Atoms.
  • Fixed a problem with aligning text items.

7.1.16 – April 28, 2024​

Bug Fixes​

  • Fixed a problem with rendering designs when they use fonts that have duplicates with different PostScript names in storage.

7.1.14 – April 22, 2024​

New Features​

  • Added the InterpretEmptyGraphicFrameAsImagePlaceholder configuration parameter to import graphic frames from IDML files as image placeholders. Its default value is false, and graphic frames are loaded depending on the <PH> marker.
  • Added the possibility to import design files that have only channel containers. When the designs do not have items in the Background, Main, or Foreground containers, they won't be added by default.

7.1.13 – April 15, 2024​

General Improvements​

  • Added support for brush fill defined in IDML templates.
  • Optimized the speed of VDP rendering in the text-as-text output mode.

Bug Fixes​

  • Fixed a problem with loading specific IDML templates for which preview colors would not be generated.
  • Fixed a problem with importing vector graphics from IDML templates.
  • Fixed a problem with rendering some TTF fonts.
  • Fixed a problem with conversion of spot colors defined through Lab pixel format.
  • Fixed a problem with simultaneous access of several services to a single file while rendering templates with multiple data sets.
  • Fixed a problem with deserialization of a state file containing an ImageSource of the User or Public types.
  • Fixed a memory leak when compressing print files to ZIP.

7.1.12 – March 26, 2024​

Bug Fixes​

  • Fixed some problems with inserting and fitting images into placeholders with ApplyStateVdpData().
  • Fixed a problem with rendering ArchedTextItem in the Outlines text mode.

7.1.11 – March 19, 2024​

Bug Fixes​

  • Fixed a problem when a request to get a list of user state files was not executed in some cases.
  • Fixed a problem that caused Unable to get ColorPreview error when loading some specific IDML templates.

7.1.10 – March 6, 2024​

General Improvements​

  • Improved loading images from Asset Storage for VDP scenarios.

Bug Fixes​

  • Fixed a problem with rendering editable text to PDF files.
  • Fixed a problem with color management when rendering output files in grayscale color space.

7.1.9 – February 20, 2024​

Bug Fixes​

  • Fixed a problem with long initialization of fonts after restarting the application.
  • Fixed a problem with file cache initialization.

7.1.7 – January 12, 2024​

Bug Fixes​

  • Fixed a problem with multiple loading of the same image for rendering VDP products.

7.1.6 – December 14, 2023​

Bug Fixes​

  • Fixed a problem with loading and rendering compressed images from PDF files.
  • Fixed some problems with rendering spot colors in PDF outputs.
  • Fixed a problem with transferring a color to inactive containers when using the updateContainer method with outputColor.

7.1.5 – December 8, 2023​

Bug Fixes​

  • Fixed a problem with text rendering when First Baseline Offset was set to Cap Height in InDesign templates.
  • Fixed a problem when single-line bounded text did not fit into the bounding rectangle in the viewer.

7.1.4 – November 30, 2023​

General Improvements​

  • Improved rendering of texture and spot containers. You can now specify the color to be rendered in PDF files by using the OutputColor property.

7.1.3 – November 22, 2023​

Bug Fixes​

  • Fixed a problem with color management when rendering previews of PDF graphics for the viewer.
  • Fixed a problem when Adobe Illustrator could open rendered print files with inverted colors.
  • Fixed a problem when layout was not applied after editing a text item.

7.1.0 – October 24, 2023​

New Features​

  • Implemented a more realistic rendering of CMYK colors in the viewer and proof images.
  • Added support for interactive zones. You can now define logical design regions that are important to the user during editing. These zones become highlighted when the user clicks or hovers the pointer over them.
  • Added support for PDF BleedBox when importing PDF files as templates. You can now specify if it should be applied or not through the SurfaceTemplate.PdfBleedBoxMode property. By default, the bleed zone of the first page is applied if the print area doesn't contain a bleed definition.

General Improvements​

  • Improved processing of Spot and Texture containers in IProductRenderer.RenderHiRes methods. Previously, these containers were rendered only on the same page with the main container, but now they will appear either on a separate page or in separate files, depending on the RenderingConfig settings.

Bug Fixes​

  • Fixed a problem when text alignment on the canvas and in output files was different.

7.0.5 - October 9, 2023​

Bug Fixes​

  • Fixed a problem with rendering formatted text in PDF assets when it contains non-escaped ampersand (&) symbols.
  • Fixed a problem when IProductHandler.GetProductFontsExtended did not return the font style in some cases.

7.0.4 - September 29, 2023​

Bug Fixes​

  • Fixed a problem with rendering a LayoutItem with nested text items.
  • Fixed a problem when rendering multiple QR codes resulted in large memory consumption and failed in some cases.

Other​

  • The default value of the UseHiResDpiForPdfResize config parameter is now set to False.
  • Fixed a security issue.

7.0.3 - September 22, 2023​

Bug Fixes​

  • Fixed a problem when dashed lines were imported as solid lines in some cases.

Other​

  • Fixed a security issue.

7.0.2 - September 18, 2023​

General Improvements​

  • Added support for vector output from spot containers.
  • Added handling of corrupted font files.

Bug Fixes​

  • Fixed a problem when editable text items would not save changes.
  • Fixed a problem when new items were added to the foreground container.
  • Fixed some problems when clipart and groups of items were not resized correctly.
  • Fixed a problem with saving text items after applying the stroke or shadow effects to them.

7.0.1 - July 31, 2023​

General Improvements​

  • Added support for the BlackAndTransparent image effect.

Bug Fixes​

  • Fixed a problem with image quality reduction after applying the B&W effect.
  • Fixed a problem that caused Can't find image error when using VdpRenderer.

7.0.0 - June 28, 2023​

Major Feature Highlights​

  • Rendering performance - improved the rendering speed and quality. Design Atoms now renders text shadows, complex vector paths, and large image sizes. In some cases, the speed of loading, parsing, and rendering of complex designs with a large number of elements has been increased by 10 times.
  • Text as text - added the possibility to render text to PDF files as a text object. To do so, set the IConfiguration.PdfTextOutputMode property to Text. By default, this property is Outlines, and text is rendered as a set of outlines.

General Improvements​

  • Bounded text items with overflow strategy FitToWidth now uses copyfitting settings from the Graphics Mill engine. In other cases, copyfitting settings built into Design Atoms are still used. In the future releases, BoundedTextItem will use copyfitting settings from Graphics Mill for all strategies.
  • The following converter classes were moved from the model:
    • EffectConverter
    • FileFormatConverter
    • OpenTypeFeatureConverter
    • ParagraphSettingsConverter
  • Added the JustificationConverter class for conversion between DesignAtoms.Model.Items.TextAlignment and the following Graphics Mill properties: Codecs.Idml.Justification, Codecs.Psd.PsdTextJustification, AdvancedDrawing.TextAlignment, TextWhizz-string, and GM-string.
  • Added the ParagraphSettingsConverter class to convert Codecs.Idml.Paragraph to DesignAtoms.Model.Items.ParagraphSettings.
  • Implemented DesignAtoms.Model.Utils.EnumParser.
  • Implemented the GraphicsContainerItemsProcessor class for color conversion when rendering a GraphicsContainer.
  • Removed the dependency of FontService on IMemoryCachingService.
  • Minor internal changes in the ColorManagement.
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