From version 8.7.2 the SDK uses Tesseract4.Vintasoft.xYZ.dll instead of Tesseract3.Vintasoft.xYZ.dll.

API changes in Vintasoft.Imaging.Ocr.dll

Changed classes:

Vintasoft.Imaging.Ocr.OcrEngineSettings
Added properties
	public Vintasoft.Imaging.Ocr.OcrLanguage[] Languages { get; set; }	Gets or sets the languages for recognition.
Added constructors
	public void OcrEngineSettings(Vintasoft.Imaging.Ocr.OcrLanguage[], Vintasoft.Imaging.Ocr.RecognitionRegionType)	Initializes a new instance of the OcrEngineSettings class.
	public void OcrEngineSettings(Vintasoft.Imaging.Ocr.OcrLanguage[])	Initializes a new instance of the OcrEngineSettings class.

Vintasoft.Imaging.Ocr.RecognitionRegion
Added properties
	public Vintasoft.Imaging.Ocr.OcrLanguage[] Languages { get; set; }	Gets or sets the languages of recognition region.
Added constructors
	public void RecognitionRegion(Vintasoft.Imaging.RegionOfInterest, Vintasoft.Imaging.Ocr.OcrLanguage[], Vintasoft.Imaging.Ocr.RecognitionRegionType, int)	Initializes a new instance of the RecognitionRegion class.

Vintasoft.Imaging.Ocr.Results.OcrPage
Added methods
	public Vintasoft.Imaging.Ocr.OcrLanguage[] GetLanguages()	Returns the languages of this page.

Vintasoft.Imaging.Ocr.Results.OcrParagraph
Added methods
	public Vintasoft.Imaging.Ocr.OcrLanguage[] GetLanguages()	Returns the languages of this paragraph.

Vintasoft.Imaging.Ocr.Results.OcrTextLine
Added methods
	public Vintasoft.Imaging.Ocr.OcrLanguage[] GetLanguages()	Returns the languages of this text line.

Vintasoft.Imaging.Ocr.Results.OcrTextRegion
Added methods
	public Vintasoft.Imaging.Ocr.OcrLanguage[] GetLanguages()	Returns the languages of this text region.

Vintasoft.Imaging.Ocr.Results.OcrWord
Added properties
	public Vintasoft.Imaging.Ocr.OcrLanguage Language { get; }	Gets a language of this word.
Added constructors
	public void OcrWord(Vintasoft.Imaging.Ocr.Results.OcrObjectLocation, Vintasoft.Imaging.Ocr.Results.OcrObjectOrientation, Vintasoft.Imaging.Ocr.Results.OcrObjectWritingDirection, float, string, Vintasoft.Imaging.Ocr.OcrLanguage, Vintasoft.Imaging.Ocr.Results.OcrTextFont, bool, bool)	Initializes a new instance of the OcrWord class.

Changed enumerations:

Vintasoft.Imaging.Ocr.OcrLanguage
Added fields
	public Vintasoft.Imaging.Ocr.OcrLanguage Bre	Bre
	public Vintasoft.Imaging.Ocr.OcrLanguage ChineseSimplified_vertical	Chinese simplified language (vertical).
	public Vintasoft.Imaging.Ocr.OcrLanguage ChineseTraditional_vertical	Chinese traditional language (vertical).
	public Vintasoft.Imaging.Ocr.OcrLanguage Cos	Cos
	public Vintasoft.Imaging.Ocr.OcrLanguage Div	Div
	public Vintasoft.Imaging.Ocr.OcrLanguage Fao	Fao
	public Vintasoft.Imaging.Ocr.OcrLanguage Fil	Fil
	public Vintasoft.Imaging.Ocr.OcrLanguage Fry	Fry
	public Vintasoft.Imaging.Ocr.OcrLanguage Gla	Gla
	public Vintasoft.Imaging.Ocr.OcrLanguage Hye	Hye
	public Vintasoft.Imaging.Ocr.OcrLanguage Japanese_vertical	Japanese language (vertical).
	public Vintasoft.Imaging.Ocr.OcrLanguage Kmr	Kmr
	public Vintasoft.Imaging.Ocr.OcrLanguage Korean_vertical	Korean language (vertical).
	public Vintasoft.Imaging.Ocr.OcrLanguage Kurdish_Arabic	Kurdish Arabic.
	public Vintasoft.Imaging.Ocr.OcrLanguage Ltz	Ltz
	public Vintasoft.Imaging.Ocr.OcrLanguage Mon	Mon
	public Vintasoft.Imaging.Ocr.OcrLanguage Mri	Mri
	public Vintasoft.Imaging.Ocr.OcrLanguage Oci	Oci
	public Vintasoft.Imaging.Ocr.OcrLanguage Osd	Osd
	public Vintasoft.Imaging.Ocr.OcrLanguage Que	Que
	public Vintasoft.Imaging.Ocr.OcrLanguage Snd	Snd
	public Vintasoft.Imaging.Ocr.OcrLanguage Sun	Sun
	public Vintasoft.Imaging.Ocr.OcrLanguage Tat	Tat
	public Vintasoft.Imaging.Ocr.OcrLanguage Ton	Ton
	public Vintasoft.Imaging.Ocr.OcrLanguage Yor	Yor

API changes in Vintasoft.Imaging.Ocr.Tesseract.dll

Changed classes:

Vintasoft.Imaging.Ocr.Tesseract.TesseractOcr
Added properties
	public Vintasoft.Imaging.Ocr.OcrLanguage[] Languages { get; }	Returns the recognition languages.

Vintasoft.Imaging.Ocr.Tesseract.TesseractOcrSettings
Added constructors
	public void TesseractOcrSettings(Vintasoft.Imaging.Ocr.OcrLanguage[])	Initializes a new instance of the TesseractOcrSettings class.

API changes in Vintasoft.Imaging.Pdf.Ocr.dll

Changed classes:

Vintasoft.Imaging.Pdf.Ocr.PdfDocumentBuilder
Added methods
	public Vintasoft.Imaging.Pdf.Tree.Fonts.PdfFont CreateGlyphLessFont(Vintasoft.Imaging.Pdf.PdfDocument)	Creates CID font without glyphs for specified PDF document.