We have added a lot of new options and features in this major release/update of GroupDocs.Editor for .NET 19.9. All public methods/classes have been moved to Legacy namespace and they are marked as obsolete. Now, when you update to this latest version, it is required to make project-wide replacement of namespace usages from GroupDocs.Editor. to GroupDocs.Editor.Legacy to resolve build issues. Access release notes here.
Why to migrate?
Editor class introduced as a single entry point to manage the Document editing process to any supported file format (instead of EditorHander class from previous versions) Architecture is redesigned to decrease memory usage Simplified Document editing and saving options See difference in code...point to manage the document editing process to any supported file...decrease memory usage Simplified document editing and saving options...