Documentation Changes

This section lists the changes that have been made to documentation since the latest release.

Documentation section		What has changed	Comment
Developer's Help and User's Guide
API Reference
Engine object	CreateOrientationDetectionParams	Deleted because the object is no longer used.
Image-related objects	PrepareImageMode	Deleted properties: AutoOverwriteResolution OverwriteResolution XResolutionToOverwrite YResolutionToOverwrite BackgroundFillingColor BinarizationThreshold InvertImage MirrorImage Rotation CorrectSkew CorrectSkewMode CreatePreview PreviewHeight PreviewWidth DiscardColorImage UseFastBinarization EnhanceLocalContrast KeepOriginalCoordinatesInfo PhotoProcessingMode
	IPrepareImageMode::RasterizeFreeText	Default value changed.
	IImageDocument::CorrectShadowsAndHighlights	New method to replace the property removed from the PrepareImageMode object.
	IImageDocument::CorrectSkew	Removed the parameter that set skew correction flags.
	IImageDocument::SaveImageRegionTo	Removed the image preparation mode parameter.
	IImageDocument::GetPreviewImage IImageDocument::GetPreviewImageSpecificSize	Replaced PreviewImage property with new methods.	Preview images are now created on demand, not during image opening. The new method that creates a default size preview image was added.
	IImageDocument::HasUnsavedData	Renamed the IsModified property.
	IImageModification::AddRemoveGarbageRegion IImageModification::ClearRemoveGarbageRegions RemoveGarbageRegionFlags	These methods and enumeration have been deleted.
Document-related objects	IFRDocument::Preprocess IFRDocument::PreprocessPages IFRPage::Preprocess	The methods no longer take PageSplittingParams as a separate parameter. Page splitting type is a member of PagePreprocessingParams now.
	IFRDocument::SourceHasTextualContent	This deprecated property has been deleted.
	IFRDocument::AddImageFile IFRDocument::AddImageFileFromAttachment IFRDocument::AddImageFileFromMemory IFRDocument::AddImageFileFromStream IFRDocument::AddImageFileWithPassword IFRDocument::AddImageFileWithPasswordCallback	A note on duplicated page indices has been added.	These methods previously accepted duplicated indices, but now you will have to call them repeatedly to add the same page to the document several times.
	IFRPage::DetectOrientation	Removed the OrientationDetectionParams parameter.
Text-related objects	IPlainText::CharConfidence ICharacterRecognitionVariant::CharConfidence IBarcodeSymbol::CharConfidence	The CharConfidence now takes values from 0 to 55.	Confidence shouldn't be used to compare variants of different characters. It has been changed to be less probability-like and avoid this perception.
Text-related objects	IPlainText::ErrorProbability ICharParams::ErrorProbability	This is a new probability-like property with values from 0 to 100.
Mechanism objects	ExportFileWriter	The object has been marked as deprecated.
Parameter objects	OrientationDetectionParams	Removed, as orientation is now detected automatically.
	DocumentProcessingParams	SplittingParams property removed (moved to another object).
	IPagePreprocessingParams::CorrectOrientationMode IPagePreprocessingParams::CorrectSkew IPagePreprocessingParams::DiscardColorImage IPagePreprocessingParams::OverwriteResolutionMode IPagePreprocessingParams::ResolutionToOverwrite IPagePreprocessingParams::SplittingParams IPagePreprocessingParams::UseFastBinarization	New properties moved into this object from other ones.
	IPagePreprocessingParams::ApplySigmaFilter IPagePreprocessingParams::CorrectInvertedImage	The properties were removed.
	IPageAnalysisParams::DetectHandwritten IPageAnalysisParams::DetectCheckmarks IPageAnalysisParams::AnalysisMode IPageAnalysisParams::SpeedQualityMode IPageAnalysisParams::DetectStamps	The new analysis options: detect blocks with handwriting, checkmarks, detect stamps, set different analysis modes and the balance between fast and accurate analysis.
	IPageAnalysisParams::EnableExhaustiveAnalysisMode IPageAnalysisParams::ProhibitModelAnalysis	These deprecated properties have been deleted.
	IPageAnalysisParams::EnableTextExtractionMode IPageAnalysisParams::AggressiveTableDetection	These properties have been deleted.	Layout analysis mechanisms were improved significantly and don't need such fine-grained settings to be set manually.
	ITextBlockAnalysisParams::
	IRecognizerParams::ExactConfidenceCalculation	This property was deprecated. It doesn't affect confidence calculation now.
	IRecognizerParams	Added a note on how to convert user patterns created in ABBYY FineReader Engine 10 or earlier.
	JsonExportParams	This is a new object to support settings for JSON export.
Document comparison objects		Added a warning that the Document Comparison API is temporarily not functional.
Enumerations	PhotoProcessingModeEnum	Replaced by the ImageSourceTypeEnum enumeration with more constants.
	DocumentTypeEnum	New enumeration to specify possible document types.
	CorrectSkewModeEnum	Removed skew correction settings.	Automatic skew correction has been improved and doesn't need additional tuning.
	OrientationDetectionModeEnum	Replaced with CorrectOrientationMode enumeration that has a different set of constants.
	OverwriteResolutionModeEnum	New enumeration with resolution correction settings.
	AvailableEngineModulesFlags	AEM_CyrillicHandprint constant removed: handwriting is no longer protected by a separate license module.
	AvailableTextTypesFlags	ATT_Handprinted constant removed: handwriting is no longer protected by a separate license module.
	SpeedQualityModeEnum	New enumeration to set the fast or accurate layout analysis mode.
	PageAnalysisModeEnum	New enumeration to set the complex or simple layout analysis mode.
	DocumentTypeEnum	New DT_TechnicalDrawing constant.
	OfficeConverterTypeEnum	Supported LibreOffice versions changed. Added a note on using Print Spooler service for opening files with Microsoft Excel.
	FREngineModuleEnum	FREM_RecognizerHP constant renamed to FREM_ICR.
	ImageFileFormatEnum	IFF_Heif, IFF_WebP, IFF_Svg constants added.
Guided Tour
Basic Usage Scenarios Implementation	Data Extraction	Added a new scenario that shows how to extract as much data from the document as possible.
	Book Archiving	This scenario was removed. It doesn't differ much from Document Archiving any longer.
	Image Preprocessing	This scenario was removed. We now recommend automatic image preprocessing in most cases.
	Document Comparison	This scenario is temporarily not supported. Comparison API doesn't work in this version.
Advanced Techniques	Working with Profiles	Removed BookArchiving_Accuracy, BookArchiving_Speed, and Version9Compatibility profiles. Replaced DocumentConversion_Speed with DocumentConversion_Normal. Added a new DataExtraction profile.
	Recognizing with Training	Added a note on how to convert user patterns created in ABBYY FineReader Engine 10 or earlier.
	Recognizing Handwritten Texts	Reworked the article to take advantage of the new handwriting recognition technologies.
	Recognizing Checkmarks	Reworked the article to take advantage of automatic checkmark detection during layout analysis in accurate mode.
Specifications
	Supported Image Formats	HEIF, SVG, WebP input formats were added.
	Export Formats JSON Schema Description	JSON export format added, with a detailed description of its structure.
	XML Schema Description	Changed the schema name and added settings corresponding to confidence and checkmark blocks.
	System Requirements	The memory consumption limits were updated. Supported newer versions of operating systems and discontinued support of operating systems that reached their end of life. Updated supported Java Development Kit versions. Updated the .NET Core and .NET Framework supported versions.
	Predefined Profiles Specifications	Updated the profile settings, added new DataExtraction profile, added the recommended output format for each profile.
Frequently Asked Questions	How can I effectively recognize the tables without designated borders?	This question was removed because table analysis has been substantially improved in the latest release, and the settings recommended previously are no longer relevant.
AdminGuide
		In all manual scenarios, added the note on how to correctly configure ABBYY office converter module.
Code Samples Library
No longer relies on being opened in the outdated Internet Explorer browser. The links to samples are now copied to clipboard when you click on them and can then be opened in a file explorer tool of your choice.
	Updated the .NET Core and .NET Framework supported versions.
	HelloBCR	A new code sample in .NET Core with basic business card recognition functionality has been added.
	Business Card Recognition Camera OCR Image Preprocessing	These demo tools were removed because we no longer recommend manual image preprocessing in most scenarios.
	CommandLineInterface	The keys that correspond to removed image preprocessing options were removed: -adii, -ii, -im, -ido, -apcw, -apccw, -apud, -ibfc, -ibw, -icsah, -icp, -iph, -ipw, -ielc, -ir.
		The -ici key was replaced with -icim and now has three possible values: Yes, No, Auto.
		The -ics key was replaced with -icsm and now has three possible values: Yes, No, Auto. The -idcs key is no longer relevant and was removed.
		The -ior key was replaced with -iorm and now has three possible values: Auto, Manual, No.
		The -ixr, -iyr keys were replaced with -iro key.
		The -ippm key was replaced with -iist and has more values corresponding to possible image sources.
		The barcode processing keys that were already deprecated were deleted: -beae, -bmrth.
		New keys corresponding to new API added: -idt, -dc, -ds, -hw, -sqm, -pam.
		The values of the -lpp key were updated to fit the list of predefined profiles.

Release history

Release 5 (build 12.5.6.0)

Documentation section		What has changed	Comment
Developer's Help and User's Guide
This guide is now available online.
Introduction
	Glossary	A new article listing the ABBYY FineReader Engine terms and abbreviations along with the useful links.
Guided Tour
	Using in .NET Core	Information about collecting garbage has been added to this article.
	Using ABBYY FineReader Engine in Java	Information about collecting garbage has been added to this article.
	Cross-platform development in Java	This is a new article about specifics of developing Java applications for all platforms.
	Recognizing Chinese, Japanese, and Korean Languages	The Japanese (Modern) language now has a more detailed description of its composition and contains advice for using.
	Barcode Recognition	This scenario has been more fully described.
	Recognizing Barcodes	The subsection about start and stop delimiters in Code 39 has been deleted, as the value of IsCode39WithoutAsterisk property is automatically detected now.
	ZUGFeRD-compliant electronic invoices	This article has been completely rewritten.
API Reference
	ABBYY FineReader Engine 12 Object Diagram	Object diagram now has a new graphical representation.
Functions	InitializeEngine	The description of the FREngineDataFolder property has been updated due to changes concerning a folder with licensing information.
Engine object	CreateBusinessCardSynthesisParams	A new method which creates the BusinessCardSynthesisParams object has been added.
	IEngine::ReleaseOnlineLicense	This is a new method for releasing an Online License with a limited number of concurrent users.
	GetEngineObject GetEngineObjectEx	These functions have been deleted from the ABBYY FineReader Engine API.
	IsPdfPortfolio IsPdfPortfolioFromStream	The new methods to check if an input PDF is a PDF Portfolio.
Engine loaders	InitializeEngine::GetEngineObject InitializeEngine::GetEngineObjectEx	These methods have been deleted from the ABBYY FineReader Engine API.
Engine loaders	InitializeEngine	The description of the FREngineDataFolder property has been updated due to changes concerning a folder with licensing information.
Text-related objects	BarcodeSymbol	The Top, Bottom, Left, Right properties have been marked deprecated and scheduled for deletion in future versions.
	IParagraph::UserBookmark IParagraph::UserBookmarkCount	These are new properties for working with the user bookmarks.
	IParagraph::DeleteBookmark	When deleting a user bookmark, its name must be specified in the format "UserDefinedBookmark:<my_user_bookmark>".
	Hyperlink	When creating a hyperlink to a user bookmark, its name must be specified in the format "UserDefinedBookmark:<my_user_bookmark>".
	ParagraphParams	The measurement units have been corrected for properties in the Indents and spacing section.
	CharParams::Spacing FontStyle::Spacing	This property now has the default value 0.
Document-related objects	IFRDocument::ConvertFromOldVersion	This is a new method for loading the contents of the document saved by the previously supported versions of ABBYY FineReader Engine.
	IFRDocument::SourceHasDigitalSignature	This new property indicates if one of the documents was a digitally signed PDF.
	IFRDocument ::CheckTextLayer	A new method for detecting a text on specified pages of the PDF file or checking the text for reliability.
	IFRDocument::SourceHasTextualContent	This property has been marked deprecated and scheduled for deletion in future versions.
	IFRDocument ::AllocatedSize	This is a new property for getting the size of the memory allocated for the IFRDocument object.
	IFRDocument::AddImageFileFromAttachment	A new method to open an image file and add the pages from it.
	IFRPage::SynthesizeBusinessCardEx	This new method detects business card fields using the synthesis parameters.
	IFRPage::SourceHasDigitalSignature	This new property indicates if source file of the page was a digitally signed PDF.
	IFRPage::SourceFilePageIndex	A new property that returns the index of the page in the source file.
	PDFAttachment::FileFormat	The new property to define the file format after its opening.
Parameter objects	IBarcodeParams::EnableBarcodesCheck	This is a new property for using the barcodes checking classifier.
	BarcodeParams	The EnableAdvancedExtractionMode, IsCode39WithoutAsterisk and MinRatioToTextHeight properties have been marked deprecated and scheduled for deletion in future versions.
	BusinessCardSynthesisParams	A new object for setting up the parameters of the business card synthesis.
	SynthesisParamsForPage::BusinessCardSynthesisParams	A new property to access the parameters of business card synthesis.
	IRecognizerParams::Mode	This is a new property for specifying recognition mode. Use this property instead of the FastMode and BalancedMode properties that have been marked deprecated and scheduled for deletion in future versions.
	ITextLayerInjectionParams::AllowChangePDFAView	A new property for changing the appearance of the output PDF file in case of problems with document processing has been added.
	PageAnalysisParams::EnableExhaustiveAnalysisMode	This property has been marked deprecated and scheduled for deletion in future versions.
	FontFormattingDetectionParams::DetectSpacing	This property is now FALSE by default.
	MultiProcessingParams	The ProcessPdfInOneThread property has been marked deprecated and scheduled for deletion in future releases.
	IPDFPicture IPDFPictures	These are the new objects that are used for adding custom pictures to a PDF. Additionally, the code sample describing the picture export has been added to the PDFPictures article.
	PDFExportParams	This object now has the new PDFPictures property to access the collection of the custom pictures contained in the PDFPictures object.
License-related objects	ILicense::VolumeRefreshingDate	This is a new method for obtaining a renewal date of the license limitations in the number of pages processed.
Supplementary objects	IRegion	The description of this object has been improved.
Enumerations	FREngineVersionEnum	This is a new enumeration for listing the previously supported versions of ABBYY FineReader Engine.
	BarcodeTypeEnum	The new BT_AutodetectWithoutPostal constant for excluding postal barcodes from autodetection has been added.
	SourceContentReuseModeEnum	The new CRM_ContentAndPictures constant has been added to this enumeration.
		The description of CRM_Auto has been improved.
		The remark about determining the type of word model has been added.
	RecognitionModeEnum	This new enumeration denotes the modes of recognition.
	AltoVersionEnum	New ALTO versions (4.0, 4.1, 4.2) have been added.
	BarcodeTypeEnum	This enumeration now has a new BT_JapanPost constant which supports the Japanese Post 4-State barcodes recognition.
	PDFAttachmentBindingEnum	This enumeration has got the new PAB_Portfolio to attach the associated files.
	ImageFileFormatEnum	This enumeration got new constants to define file formats for PDF Porfolios: IFF_Bmp, IFF_Dcx, IFF_DjVu, IFF_Gif, IFF_Jpeg, IFF_Jpeg2k, IFF_Pcx, IFF_Png, IFF_Tiff.
	FontEmbeddingModeEnum	The new FEM_EmbedFullWhenNeeded and FEM_EmbedSubsetWhenNeeded constants about embedding the whole font or only the subset have been added.
	BlockLayerTypeEnum	The BLT_Unknown constant has been deleted from the ABBYY FineReader Engine API.
	OfficeConverterTypeEnum	New LibreOffice versions (7.2, 7.3) are now supported.
	TextTypeEnum	The descriptions of the MICR text types have been supplemented with information about recognition with the Latin languages.
Distribution	Installing the ABBYY FineReader Engine Library in Automatic Mode	BCPATTERNS, ALLUSERS, ARCH, /v options are no longer used for automatic installation. They have been marked deprecated and scheduled for deletion in future versions. Use /quiet option instead of /q. You must run installRnt64.exe or installDev64.exe instead of setup.exe.
		This article has been updated with notes about installation details.
		The new /extract option for unpacking necessary ABBYY FineReader Engine files has been added.
		The note about setting the SERVERNAME option has been added to the LICENSESRV option description.
		The new LICENSEDATADIR option to set the directory for storing the licensing information has been added.
	Running ABBYY FineReader Engine in Azure Services	This is a new section containing the descriptions of scenarios on how to run your application in Azure Services.
	Installing the Licensing Service Installing the ABBYY FineReader Engine Library Installing the ABBYY FineReader Engine Library in Manual Mode	These articles have been updated with notes about installation details.
Licensing	Modules	The Balanced Mode and Fast Mode modules have been marked deprecated and scheduled for deletion in future versions.	The recognition mode is no longer protected by the license.
	About ABBYY FineReader Engine Activation	The e-mail for license activation has been corrected.
	About ABBYY FineReader Engine Activation	This article now has a better description of the Online License lifecycle.
	Working with the LicensingSettings.xml File	The new "EnableIKeyLicenses" tag to use iKey hardware protection keys has been added, and the sample of disabling hardware protection keys has been corrected.
	Working with the LicensingSettings.xml File	The new "LicenseFolder" tag with the Path attribute to specify the path to a folder with the licensing information has been added. See also the example describing how to change this attribute value in this article.
	License Manager Utility	The new "Release Online Licenses..." option has been added to this utility.
	Online Licensing	This article now has a better description of the Online License lifecycle and information on how to release it.
Specifications
	Predefined Languages in ABBYY FineReader Engine	The Bangla language is now supported.
		JapaneseModern language is now supported for Business Card Recognition.
		The note about recognizing the MICR text types has been added.
	Predefined Profiles Specification	The descriptions of profiles have been updated.
	Supported Image Formats	This article now has the list of unsupported PDF formats.
	Special predefined languages	The new Arabic_Amount language for sums recognition is now supported.
	Barcode types	The description of JapanPost barcodes has been added to this article.
	Text Types	The descriptions of the MICR text types have been supplemented with information about recognition with the Latin languages.
	System Requirements	The list of supported versions of .NET Framework for Windows Installer XML Toolset (WiX) has been added.
		The lists of supported virtual environments and Java Development Kits have been updated.
		Windows 7 SP1, Windows Server 2008 R2, Microsoft Hyper-V Server 2008 and Microsoft Hyper-V Server 2008 R2 are no longer supported.
		Windows Server 2022 and Windows 11 are now supported.
AdminGuide
This guide is now available online.
	Basic Installation Scenarios	The descriptions of all installation scenarios have been updated with the detailed information about new command lines, creating packages, restoring the COM components registration, etc. BCPATTERNS, ALLUSERS, ARCH, /v keys are no longer used for automatic installation. They have been marked deprecated and scheduled for deletion in future versions. Use /quiet key instead of /q. You must run installRnt64.exe or installDev64.exe instead of setup.exe.
		The new Runtime article describing details of this installation type has been added.
		The manual scenarios have been updated due to new information about permissions granted to a folder with the license data.
Code Samples Library
	CommandLineInterface	-beae, -bmrth, -fm, and -rbm keys have been marked deprecated and scheduled for deletion in future versions.
	CommandLineInterface	The new -rm key for recognition mode has been added.
	EnginesPool EventsHandling Hello for Java	These samples in Java are no longer use the Close method.
	Hello	A new code sample illustrating how to use ABBYY FineReader Engine functionality in .NET Core has been added.
	C# code samples	Now, all samples in C# are divided into two groups: C# for .NET Framework and C# for .NET Core.

Release 4 (build 12.4.7.63)

Documentation section		What has changed	Comment
Developer's Help and User's Guide
Introduction
	Online Licensing	The article has been moved to the Licensing section. The note about the location of the activation token has been added to Online License information section.
Guided Tour
	Handling Errors During PDF/XPS Export	A new article describing how to handle errors during export to PDF/XPS format has been added.
	Document Comparison	A new article about the document comparison has been added.
	Working with Fonts	A new article describing how to work with fonts has been added.
	Using in .NET Core	This is a new article about using ABBYY FineReader Engine in .NET Core.
API Reference
Engine object	CreateComparator	A new method which creates the Comparator object has been added.
	CreateMrzJsonExportParams	A new method which creates the MrzJsonExportParams object has been added.
	CreateMrzXmlExportParams	A new method which creates the MrzXmlExportParams object has been added.
	CreatePageMargins	A new method which creates the PageMargins object has been added.
	CreateLayoutFromStream	A new method which creates the Layout object from the input stream implemented by the user has been added.
Layout-related objects	ILayout::SaveToStream ILayout::SaveToArray	These new methods are for saving the object contents into the stream and as an array of bytes.
Document-related objects	MrzData	The new HasChecksum property and ExportToFileEx method have been added.
	MrzField	The notes about the Checksum and IsChecksumVerified properties dependance on the HasChecksum property have been added.
	IFRDocument::AddImageFileFromMemory IFRDocument::AddImageFileFromStream	The remarks about using these methods for opening the office formats have been added.
Parameter objects	IPageAnalysisParams::ProhibitModelAnalysis	This property has been marked deprecated and scheduled for deletion in future versions.
	TextLayerInjectionParams	The new PerformRecognition and PDFAComplianceMode properties have been added.
	MrzJsonExportParams MrzXmlExportParams	These new objects are intended for tuning the export of the captured MRZ to a JSON or XML file.
	MultiProcessingParams	The new ProcessPdfInOneThread property has been added.
	PDFExportFeatures::PageOrientation	A new property that specifies the page orientation during export to PDF has been added.
	RTFExportParams::PageMargins RTFExportParams::UseCustomPageMargins RTFExportParams::IncreasePaperSizeToFitContent	These new properties are intended for working with the sizes and margins of the pages.
	PageMargins	This is a new object to tune the page margins in the output file.
	MrzProcessingParams	The new MinMrzLineLength property to specify the minimum allowed length of the MRZ line has been added.
	XLExportParams::WritePictures XLExportParams::PictureExportParams	These new properties to embed pictures in XLSX format.
	RecognizerParams::ProhibitSmallCaps	This is a new property to specify whether the recognition of small capitals should be prohibited.
Classification-related objects	ClassificationObject	The default value of the Description property is an empty string now.
Document Comparison objects	Change ChangeLocation ChangePosition Changes Comparator ComparatorExportFormatEnum ComparisonResult DocumentChangeTypeEnum ModificationTypeEnum PictureChange TextChange ComparisonParams	These new objects and enumerations provide access to the document comparison functionality.
Supplementary objects	IRegion::AddRegion IRegion::CutRect	These new methods are intended for adding a new area to an existing one and cutting a rectangle from a region.
Supplementary objects	IWriteStream IWriteStream::Write	This is the new functionality for a write stream.	This interface and its method are implemented on the client-side.
Enumerations	AvailableEngineModulesFlags	The new AEM_Comparator constant for the Compare Documents license module has been added.
	MrzFormatEnum	The new constants describing several ICAO specifications have been added.
	BarcodeTypeEnum	The new BT_RoyalMail4State, BT_KIX, BT_Australia4State constants have been added.
	PageOrientationEnum	The new POM_MostFrequent constant has been added to this enumeration.
	ImageFileFormatEnum	The new constants for Office formats have been added to this enumeration.
Distribution	Installing the ABBYY FineReader Engine Library in Automatic Mode	The information about ALLUSERS key and new CompareDocuments library module for the documents comparison has been added.
Distribution	ABBYY FineReader Engine Distribution Kit	The list of supported versions of .NET Framework has been updated.
Licensing	Modules	The new Compare Documents license module that enables the documents comparison has been added.
	Licensing	The information about protection types has been updated.
	Online Licensing	A new requirement about GoDaddy Trusted Root Certification Authority has been added.
Specifications
	Migration Guide from ScanDifFinder SDK to Document Comparison API	A new article describing differences between ABBYY ScanDifFinder SDK and Document Comparison API has been added.
	XML Schema for Comparison Result	The description of XML schema for comparison result has been added.
	Barcode Types	The list of supported barcode types has been updated.
	System Requirements	The list of supported versions of .NET Framework has been added.
AdminGuide
	Basic Installation Scenarios	The descriptions of the installation scenarios have been updated and the Introduction article has been upgraded.
	Basic Installation Scenarios	GoDaddy Trusted Root Certification Authority is now required for correct working of Online License.
	Running ABBYY FineReader Engine 12 inside a Docker container	This article now describes a new scenario of using two separate containers.
		A new requirement about GoDaddy Trusted Root Certification Authority has been added.
Code Samples Library
	Classification	The option to download the image samples from external storage has been added to this demo tool.
	Document Comparison	A new demo tool which demonstrates how to compare a document or page with its copy has been added.
	CommandLineInterface	New keys have been added to this code sample.

Release 3 (build 12.3.1.34)

Documentation section		What has changed	Comment
Developer's Help and User's Guide
Introduction
	Short Specifications	The list of PDF formats has been updated.
	Short Specifications	The list of digital document formats supported for import has been added.
	Key New Features	The list of new features has been updated.
	Online Licensing	"Cloud license" has been renamed "Online License", "Cloud licensing service" has been renamed "Online licensing service"
	Online Licensing	The information about the concurrent usage of the Online License has been more fully described.
Guided Tour
	Recognizing Chinese, Japanese, and Korean Languages	The Japanese (Modern) language has been more fully described.	Japanese (Modern) is recommended for recognition of contemporary texts which may contain Latin characters.
	Recognizing Chinese, Japanese, and Korean Languages	A note on word separation has been added.
	Working with Profiles	The table with predefined profiles has been moved from LoadPredefinedProfile article.
	Working with Profiles	The new MachineReadableZone predefined profile has been added. It is used for extracting data from MRZ.
	Machine-Readable Zone Capture	A new article about extracting data from MRZ has been added.
API Reference
Engine object	CreateFRDocumentFromImage	The remark about opening digital documents has been added.
	CreateMrzProcessingParams	A new method which creates MrzProcessingParams object has been added.
	CreateSortingBlocksParams	A new method which creates SortingBlocksParams object has been added.
Image-related objects	PrepareImageMode	The new BinarizationThreshold property has been added.
Image-related objects	IPrepareImageMode::OfficeConversionSettings OfficeConversionSettings OfficeConverters	This is the new property and objects which provide settings for converting input digital documents through the same methods as images.
Layout-related objects	Layout	The new SortedBlocks property has been added.
Document-related objects	AddImageFile FRDocument	The code sample describing how to abort a process has been added.
	DocumentContentInfo	The new CreationDate and ModificationDate properties have been added.
	MrzData MrzField MrzLine	The objects for extracting data from MRZ have been added.
	FRPage	The new ExtractMrz method for extracting data from MRZ has been added.
	IFRDocument::AddImageFile IFRDocument::AddImageFileWithPassword IFRDocument::AddImageFileWithPasswordCallback	The remark about opening digital documents has been added.
Batch Processor	IBatchProcessor::PageFlushingPolicy	A new property for setting the mode of working with document pages in memory has been added.
Batch Processor	IImageSource::GetNextImageFile	The remark about opening digital documents has been added.
Parameters objects	WriteSourceOutline	The note about FALSE value has been added.
	PDFExportFeatures	The description of the PDFVersion property has been updated.
	PDFExportFeatures	The list of PDF tags has been added to the "WriteTaggedPDF" property description.
	PagePreprocessingParams	The CorrectResolution property description has been changed.
	DocumentContentInfoWritingParams	The new WriteCreationDate and WriteModificationDate properties have been added.
	MrzProcessingParams	This is a new object containing the settings for MRZ capture.
	SortingBlocksParams	A new method describing parameters of blocks grouping has been added.
Enumerations	BitmapBitsFormatEnum	Information about supported image formats has been added.
	GapMeasurementUnitEnum	A new enumeration which specifies the measurement units for the gap between blocks has been added.
	AvailableEngineModulesFlags	The new constants for the license modules have been added: AEM_MRZCapture for MRZCapture module and AEM_OpenOfficeFormats for Office Formats Opening module.
	MrzFormatEnum MrzExportFormatEnum MrzFieldTypeEnum	The enumerations which specify the field types, standards, export formats of MRZ have been added.
	OfficeConverterTypeEnum	This is a new enumeration which specifies the types of applications that can be used to convert incoming digital documents.
	TimeZoneTypeEnum	The new TZT_Source constant for writing of original time format in the output document has been added.
	WriteDateEnum	A new enumeration has been added. This enumeration constants describe the variants of writing for creation and modification dates.
Distribution	Installing the ABBYY FineReader Engine Library in Automatic Mode	The new OfficeConverters library module for opening digital documents has been added.
	ABBYY FineReader Engine Distribution Kit	The number of ABBYY FineReader Engine build has been added to the name of the JAR file.
	ABBYY FineReader Engine Distribution Kit	The file of End User License Agreement (EULA0.rtf) has been added to the Distribution Kit.
Licensing		"Cloud license" has been renamed "Online License", "Cloud protection" has been renamed "Online protection", "EnableCloud" has been renamed "OnlineLicensing", "CloudTimeout" has been renamed "Timeout", "Cloud licensing service" has been renamed "Online licensing service".
	Working with the LicensingSettings.xml File	A new article about usage of an Online License for connection to a proxy server has been added.
		The "Enable" attribute has been removed from <OnlineLicensing> tag.
		The examples of setting an Online License without proxy server have been removed.
	Methods which Increase the License Counter	The information about ExtractMrz method has been added.
	Modules	The new modules have been added: MRZCapture, which enables the ExtractMrz method; and Office Formats Opening, which enables loading digital documents with the image opening methods.
Specifications
	Supported Digital Document Input Formats	This new section lists the formats of digital documents supported for import.
	Predefined Languages in ABBYY FineReader Engine	The column describing availability of text-based classification for each of the languages has been added.
		The note about Yiddish language recognition has been added.
		The mathematical and Georgian languages are now supported.
	Machine-Readable Zone Fields	This section lists the fields extracted from MRZ.
	Predefined Profiles Specification	The new MachineReadableZone predefined profile has been added. It is used for extracting data from MRZ.
	Export Formats	The description of MRZ export formats (.xmland .json) has been added.
	System Requirements	The hard disk space requirements for ABBYY FineReader Engine library have been updated.
	System Requirements	The list of supported Java Development Kits has been added.
Frequently Asked Questions	How can I effectively recognize the tables without designated borders?	The piece of advice for recognizing tables without designated borders has been added.
Frequently Asked Questions	What should I do if I want to run ABBYY FineReader Engine inside a Docker container?	The piece of advice about running ABBYY FineReader Engine inside a Docker container has been added.
AdminGuide
	Basic Installation Scenarios	The "DVD-ROM" phrase has been replaced with "distribution package" phrase.
		"Cloud license" has been renamed "Online License", "Cloud protection" has been renamed "Online protection", "EnableCloud" has been renamed "OnlineLicensing", "CloudTimeout" has been renamed "Timeout", "Cloud runtime installation" has been renamed "Runtime installation with Online License", "Cloud licensing service" has been renamed "Online licensing service".
	Running ABBYY FineReader Engine 12 inside a Docker container	A new article about how to run ABBYY FineReader Engine 12 inside a Docker container has been added.
Code Samples Library
	MRZEXtraction	A new code sample describing MRZ extraction and export of the extracted data to an external file has been added.

Release 2 (build 12.2.27.0)

Documentation section		What has changed	Comment
Developer's Help and User's Guide
Introduction
	Benefits	ADRT™ is no longer current.
	PDF Conversion	A remark about restrictions of the importing PDF document compliance has been added.
Guided Tour
	Using ABBYY FineReader Engine in Java	The required Java Development Kit version has been updated.
	Working with Regular Expressions	The code sample has been corrected.
	Document Classification	This new section describes a basic scenario of document classification.
API Reference
	InitializeEngine	This is a new improved function for getting a pointer to the IEngine interface. The function is unified for use with all license types, including Cloud License.
	GetEngineObject GetEngineObjectEx	The functions are deprecated and will be removed in future versions.
Engine object	PrepareBitmapBits OpenBitmapBits	A note on this method availability and the information about supported image formats have been added.	Like OpenBitmapBits, this method is not supported when the Engine is created via the OutprocLoader object.
Engine loaders	IEngineLoader::InitializeEngine	The new method for getting a pointer to the IEngine interface. The method is unified for use with all license types, including Cloud License.
Engine loaders	IEngineLoader::GetEngineObject IEngineLoader::GetEngineObjectEx	The methods are deprecated and will be removed in future versions.
Image-related objects	IImageDocument::IsModified	The fact that this property reflects only modifications made after image opening has been explained at more length.
Layout-related objects	Block	The steps to change block type have been corrected.
Document-related objects	IBusinessCards::Element	The read-only qualifier has been added.	This property has always been read-only.
Document-related objects	PlainText::GetCharacterData	This method returns the information about all characters in the text as a set of arrays: the page numbers on which the characters are located, the coordinates of characters' rectangles, and characters' confidences.
Parameter objects	AltoVersionEnum	A misprint in constant name has been corrected.
	IPDFExportFeatures::TextAndBackgroundColorMode	The values of the properties of the SynthesisParamsForPage object on which the functionality of this property depends have been corrected.
	PDFAComplianceModeEnum	The version of Adobe Preflight utility has been corrected.	The latest available version is used.
	IPDFExportFeatures::EnablePDFUACompliance	This property specifies the output PDF file PDF/UA compliance.
	HTMLFormatModeEnum	The new HFM_Format50 constant for export to HTML 5 format has been added.
	ITextExportParams::LayoutRetentionMode TextLayoutRetentionModeEnum	These new property and enumeration manage the advanced modes of layout emulation during export to TXT format.
	ITextExportParams::RetainLayout	This property has been marked deprecated and scheduled for deletion in future versions.
	PDFVersionEnum	A new constant specifying PDF version 2.0 has been added.
Classification-related objects	ClassificationEngine Trainer Model ClassificationResults ClassificationResult TrainingResults TrainingResult ValidationResult ConfusionMatrix TrainingParams ValidationParams TrainingData Categories Category ClassificationObjects ClassificationObject AveragingMethodEnum ClassifierTypeEnum TrainingModeEnum	These new objects and enumerations provide access to the new, improved classification functionality.
Visual Components Reference
		This section is restored to the documentation, as the Visual Components are now fully functional again.
Licensing
	Working with the LicensingSettings.xml File	The default value of Enable attribute for EnableCloud tag has been specified.	By default, cloud licensing is enabled.
Distribution
	Installing the Licensing Service	When installing the License Service manually for cloud installation, the %ProgramData%\ABBYY\SDK\12\Licenses folder should be created even if the license token file will be stored elsewhere.
Specifications
	XML Schema Description	The new tabLeaderCount attribute has been added to the charParams tag. This attribute specifies symbols quantity in the tab leader.
	MenuItemEnum	The MI_MergeTableRows element is not supported anymore and has been removed from documentation.
Code Samples Library
	Classification	This demo tool has been completely reworked to use the new Classification API.
	CommandLineInterface	The key for specifying PDF encryption level has been modified.

07.11.2025 12:48:30

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Documentation Changes

Release history

Release 5 (build 12.5.6.0)

Release 4 (build 12.4.7.63)

Release 3 (build 12.3.1.34)

Release 2 (build 12.2.27.0)