GroupDocs.Editor for .NET 21.3 Release Notes

GroupDocs.Editor for .NET version 21.3 delivers one new feature, one significant improvement and a lot of bugfixes in different parts of the product, mainly in WordProcessing and Presentation processing.

New feature

Version 21.3 of GroupDocs.Editor contains anew feature — utility class ResourceTypeDetector. This class contains 2 static method, which can help customers to process the HTML resources. There is a special article “Working with HTML resources”, which describes this in detail.


Version 21.3 also contain one significant improvement — now lists and list items, paragraphs and spans (runs) of text are binded with stylesheets only through class attributes in HTML markup and corresponding class selectors in CSS resources. There are no more ID attributes and selectors in these entities, only class-related binding. This was done in order to improve editability of document content in WYSIWYG-editors, mostly in scenarios, which imply copying some parts of content.


GroupDocs.Editor version 21.3 contains big amount of bugfixes, which address different exceptions in different modules of GroupDocs.Editor, including WordProcessing, Presentation, and HTML processing.

Full List of Issues Covering all Changes in this Release

EDITORNET-2024Develop universal HTML resource type detector and parserNew feature
EDITORNET-2028Switch binding between HTML elements and CSS rulesets from ID to class attributes and selectorsImprovement
EDITORNET-1941Unknown Wingding char in list bullet formatBug
EDITORNET-1984Markdown to docx converter was lost imageBug
EDITORNET-2009Cannot access a disposed object. Object name: ‘RasterImageResourceBase’.Bug
EDITORNET-2013Exception when saving Word documentBug
EDITORNET-2015Image is not JPEG for PowerPointBug
EDITORNET-2020Internal error - cannot properly parse a string ‘22504648845’ to the Integer numberBug
EDITORNET-2021Red cross is displaying instead of valid imageBug
EDITORNET-2032Unable to translate Unicode character \uD81A at index 161 to specified code page.Bug
EDITORNET-2033Fix bug in selector parserBug
EDITORNET-2035Fix bug in HTML attribute parserBug

Public API and Backward Incompatible Changes

New public class GroupDocs.Editor.HtmlCss.Resources.ResourceTypeDetector is present with 2 public members: methods DetectTypeFromFilename and TryDetectResource.

No existing types or their members were modified or removed.