[2.15.0] - 2021-12-16

Added

• Added samples for strongly typed classes and Linq-to-XML in the./samples directory (Add Linq-to-XML example #1101,Examples #1087)
• Shipping additional libraries for some additional functionality inDocumentFormat.OpenXml.Features andDocumentFormat.OpenXml.Linq. See documentation in repo for additional details.
• Added extension method to support getting image part type (AddImagePart extension method to support GetImagePartType feature #1082)
• Added generated classes andFileFormatVersions.Microsoft365 for new subscription model types and constraints (Microsoft365 schemas update #1097).

Fixed

• Fixed issue for changed mime typemodel/gltf.binary (Can't open presentations containing 3D objects (MIME type mismatch) #1069)
• DocumentFormat.OpenXml.Office.Drawing.ShapeTree is now available only in Office 2010 and above, not 2007.
• Correctly serializenew CellValue(bool) values (new CellValue(bool) generates invalid XML #1070)
• Updated known namespaces to be generated via an in-repo source generator (Add namespace generator to SDK #1092)
• Some documentation issues aroundFileFormatVersions enum

Thanks to the following for their contributions:

@ThomasBarnekow
@stevenhansen
@JaimeStill
@jnyrup