In Development
Last Updated: 07 Jan 2026 14:13 by ADMIN
Specific characters (" ' ") are not properly resolved from the Encoding differences table.
In Development
Last Updated: 06 Jan 2026 14:27 by ADMIN

Introduced in version 2025.4.1104.

Works OK in the previous version.

StackTrace: 

   at Telerik.Windows.Documents.Utilities.Guard.ThrowExceptionIfTrue(Boolean condition, String message)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.IndirectObject.get_Content()
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Export.PdfExportContext.BeginExportIndirectObject(IndirectObject indirectObject, Int64 offset)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.IndirectObject.Write(PdfWriter writer, IPdfExportContext context)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Export.PdfExporter.WritePendingIndirectObjects(IPdfExportContext context, PdfWriter writer)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Export.PdfExporter.WriteFontsFromContext(PdfWriter writer, IPdfExportContext context)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Export.PdfExporter.Export(IRadFixedDocumentExportContext context, Stream output)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.PdfFormatProvider.<>c__DisplayClass21_0.<ExportOverride>b__0()
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.ExceptionHandling.ExecutionHandler.TryHandleExecution[E](Action operation)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.PdfFormatProvider.ExportOverride(RadFixedDocument document, Stream output, CancellationToken cancellationToken)
   at Telerik.Windows.Documents.Common.FormatProviders.FormatProviderBase`1.Export(T document, Stream output, Nullable`1 timeout)

In Development
Last Updated: 06 Jan 2026 14:27 by ADMIN

PdfStreamWriter: "InvalidOperationException: 'isContentReleased'" is thrown when creating a multi-page document with an umlaut on the last page.

Workaround - Explicitly set the block font:
block.TextProperties.Font = FontsRepository.Courier;

In Development
Last Updated: 05 Jan 2026 14:41 by ADMIN

You need to explicitly set the correct MIME type when embedding the file into the PDF. This is especially important for standards like PDF/A-3 and Factur-X, which require strict metadata and MIME type declarations for embedded files.

The default value /application/octet-stream is too generic and not compliant for XML attachments.

 

In Development
Last Updated: 29 Dec 2025 11:47 by ADMIN
Created by: Jan
Comments: 0
Category: PdfProcessing
Type: Feature Request
3
Add support for Border annotation property.
In Development
Last Updated: 29 Dec 2025 11:02 by ADMIN
Documents can be signed using the end certificate of a certificate chain, instead of the whole chain. This improves the performance of the signing.
In Development
Last Updated: 29 Dec 2025 07:23 by ADMIN
With the current implementation, the documents containing Standard Fonts are not PDF/A compliant (check How to Comply with PDF/A Standard).
In Development
Last Updated: 23 Dec 2025 15:10 by ADMIN
Handle the import of documents with invalid offset and no space before dictionary keys.
In Development
Last Updated: 22 Dec 2025 11:39 by ADMIN
Handle the import of documents with a negative cross-reference stream offset.
In Development
Last Updated: 19 Dec 2025 11:59 by ADMIN
Add support for documents with an invalid stream cross-reference table
In Development
Last Updated: 18 Dec 2025 08:51 by ADMIN
When import-export a document with embedded font(s) and FontEmbeddingType.Subset set, the subset collection is not updated, and the originally imported font is exported unmodified.
In Development
Last Updated: 17 Dec 2025 14:15 by ADMIN

Setting the ComplianceLevel to PdfA3B and the TaggingStrategy to UseExisting when exporting a PDF document leads to the following Error reported by VeraPdf:

Specification: ISO 19005-3:2012, Clause: 6.2.11.5, Test number: 1
For every font embedded in a conforming file and used for rendering, the glyph width information in the font dictionary and in the embedded font program shall be consistent.
Glyph width 274.4140625 in the embedded font program is not consistent with the Widths entry of the font dictionary (value 272)
In Development
Last Updated: 15 Dec 2025 18:45 by ADMIN
Some PDF files have an additional content added before the file header (before %PDF-1.4 for example). This additional content makes all byte offsets in the document invalid, which causes the format provider to throw an exception.

At this point, to import a similar document it should be pre-processed so the content before the version header is removed before importing it.
In Development
Last Updated: 10 Dec 2025 09:26 by ADMIN
Files exported with SpreadStreamProcessing cannot be read by OleDB consumers
In Development
Last Updated: 09 Dec 2025 11:04 by ADMIN
MissingMethodException is thrown when converting a PDF stream to a PdfArray.
In Development
Last Updated: 09 Dec 2025 10:25 by ADMIN

During export operation of a document that contains signature fields the following error occurs: 

System.InvalidOperationException: 'The signature was not properly initialized for external signing. The signing delegate is missing.'
In Development
Last Updated: 09 Dec 2025 10:24 by ADMIN

Resaving a document with Acrobat throws an error due to invalid Info dictionary in document trailer.

In Development
Last Updated: 05 Dec 2025 14:42 by ADMIN
The "w:multiLine" property of a text content control is lost on import-export.
<w:sdt>
  <w:sdtPr>
    <w:text w:multiLine="1"/>
  </w:sdtPr>
  <w:sdtContent>
    <w:r>
      <w:t>Line 1</w:t>
    </w:r>
    <w:r>
      <w:br/>
    </w:r>
    <w:r>
      <w:t>Line 2</w:t>
    </w:r>
  </w:sdtContent>
</w:sdt>
In Development
Last Updated: 04 Dec 2025 13:29 by ADMIN
Tab stop distances are not calculated correctly during PDF export if a hanging indent is applied.
In Development
Last Updated: 26 Nov 2025 09:47 by ADMIN
Mangled Right-To-Left (RTL) content when multiple lines of text are drawn.
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