Recently Updated
Unplanned
Last Updated:
09 Jan 2026 15:13
by Peter
ADMIN
Created by:
Deyan
Comments:
11
Category:
SpreadProcessing
Type:
Feature Request
Add support for pivot tables.
Unplanned
Last Updated:
09 Jan 2026 10:51
by ADMIN
Created by:
Tanya
Comments:
4
Category:
Telerik Document Processing
Type:
Feature Request
Allow customers to create, modify and convert .pptx files.
Unplanned
Last Updated:
09 Jan 2026 09:59
by David
Created by:
David
Comments:
0
Category:
PdfProcessing
Type:
Bug Report
InvalidOperationException is thrown when the parser incorrectly interprets delimiter characters within literal strings as structural tokens instead of string data.
Unplanned
Last Updated:
09 Jan 2026 05:47
by Eric Moreau
Created by:
Eric Moreau
Comments:
0
Category:
SpreadProcessing
Type:
Feature Request
Currently, if you have a decimal column in the DataTable, it is imported as a text column in the workbook. It should be preserved as a numeric column after importing.
Note: When importing a DataTable, each of the column's type is checked and a respective cell type is imported.
if (dataType.IsValueType && dataType.IsPrimitive && !dataType.IsEnum)
{
newValue = new NumberCellValue(Convert.ToDouble(value));
}The check ensures only “simple” CLR value types are treated as numbers when importing from DataTable to the worksheet.• IsValueType: filters out reference types.
• IsPrimitive: narrows to CLR primitives (sbyte, byte, short, ushort, int, uint, long, ulong, float, double, char, IntPtr, UIntPtr, bool).
• !IsEnum: excludes enums.
In this code path, primitives are interpreted as numeric and converted to a Double for NumberCellValue. This avoids trying to numeric-convert arbitrary structs (e.g., guid, TimeSpan, custom structs), which should not be treated as numbers.
Decimal is not primitive, so it falls back to text, losing numeric semantics. This is the reason for the observed behavior.
In Development
Last Updated:
07 Jan 2026 14:13
by ADMIN
ADMIN
Created by:
Martin
Comments:
0
Category:
PdfProcessing
Type:
Bug Report
Specific characters (" ' ") are not properly resolved from the Encoding differences table.
In Development
Last Updated:
06 Jan 2026 14:27
by ADMIN
Created by:
Muhammad
Comments:
0
Category:
PdfProcessing
Type:
Bug Report
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
Created by:
Heather
Comments:
0
Category:
PdfProcessing
Type:
Bug Report
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
Created by:
Alain
Comments:
4
Category:
PdfProcessing
Type:
Feature Request
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.
Unplanned
Last Updated:
30 Dec 2025 07:59
by ismayil
Created by:
ismayil
Comments:
0
Category:
WordsProcessing
Type:
Bug Report
This is the code for import/export which result is illustrated below:
string inputFilePath = "test1.doc";
Telerik.Windows.Documents.Flow.Model.RadFlowDocument document;
Telerik.Windows.Documents.Flow.FormatProviders.Doc.DocFormatProvider doc_provider = new Telerik.Windows.Documents.Flow.FormatProviders.Doc.DocFormatProvider();
using (Stream input = File.OpenRead(inputFilePath))
{
document = doc_provider.Import(input, TimeSpan.FromSeconds(10));
}
Telerik.Windows.Documents.Flow.FormatProviders.Docx.DocxFormatProvider docx_provider = new Telerik.Windows.Documents.Flow.FormatProviders.Docx.DocxFormatProvider();
string outputFilePath = "Exported.docx";
using (Stream output = File.OpenWrite(outputFilePath))
{
docx_provider.Export(document, output, TimeSpan.FromSeconds(10));
}
Process.Start(new ProcessStartInfo() { FileName = outputFilePath, UseShellExecute = true });
In Development
Last Updated:
29 Dec 2025 11:47
by ADMIN
Created by:
Jan
Comments:
0
Category:
PdfProcessing
Type:
Feature Request
Add support for Border annotation property.
In Development
Last Updated:
29 Dec 2025 11:02
by ADMIN
Created by:
Pochun
Comments:
1
Category:
PdfProcessing
Type:
Feature Request
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
Created by:
Martin
Comments:
0
Category:
PdfProcessing
Type:
Feature Request
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
Created by:
David Henry
Comments:
0
Category:
PdfProcessing
Type:
Feature Request
Handle the import of documents with invalid offset and no space before dictionary keys.
Declined
Last Updated:
23 Dec 2025 14:09
by ADMIN
Created by:
Amit
Comments:
1
Category:
WordsProcessing
Type:
Bug Report
This results in a missing paragraph. For example, having a table with three cells and Page field in the footer of a document and exporting it to PDF, will not export the last paragraph.
As a workaround add new run after the last field character in the cell's table before exporting the document to PDF.
BlockCollection footerContent = this.document.Sections.First().Footers.Default.Blocks;
Table footerTable = footerContent.First() as Table;
var cells = footerTable.Rows.Last().Cells.Where(x => x.EnumerateChildrenOfType<FieldCharacter>().Any());
foreach (var cell in cells)
{
cell.Blocks.AddParagraph().Inlines.AddRun();
}
Declined
Last Updated:
23 Dec 2025 13:43
by ADMIN
Created by:
Avery
Comments:
1
Category:
WordsProcessing
Type:
Bug Report
In WordsProcessing on import only the lower case CSS attributes are correctly imported. Upper case and mixed case are ignored and the default values are used.
Declined
Last Updated:
23 Dec 2025 12:41
by ADMIN
Created by:
XicoFininho
Comments:
3
Category:
WordsProcessing
Type:
Bug Report
When an image is placed in a table row and the document is exported to PDF the image top edge is placed at the center of the table border because the border thickness is not respected.
Declined
Last Updated:
23 Dec 2025 12:37
by ADMIN
Created by:
Ron Weingarten
Comments:
1
Category:
WordsProcessing
Type:
Bug Report
The calculations are wrong, leading to single lines on a page. As a result, the content of the PDF document is laid out on a bigger number of pages.
Workaround: Change the line spacing and its type before exporting to PDF:
foreach (var paragraph in this.document.EnumerateChildrenOfType<Paragraph>())
{
HeightType? heightType = paragraph.Properties.LineSpacingType.GetActualValue();
if (heightType == HeightType.Exact || heightType == HeightType.AtLeast)
{
paragraph.Properties.LineSpacingType.LocalValue = Telerik.Windows.Documents.Flow.Model.Styles.HeightType.Auto;
paragraph.Properties.LineSpacing.LocalValue = 2;
}
}
Declined
Last Updated:
23 Dec 2025 12:33
by ADMIN
ADMIN
Created by:
Polya
Comments:
1
Category:
WordsProcessing
Type:
Bug Report
The exception is thrown because we try to export a tblGrid element, but currently we do not support this: https://feedback.telerik.com/Project/184/Feedback/Details/190082-wordsprocessing-export-tblgrid-table-grid-property-for-table-elements
Declined
Last Updated:
23 Dec 2025 12:30
by ADMIN
ADMIN
Created by:
Mihail
Comments:
1
Category:
WordsProcessing
Type:
Bug Report
Importing a document containing a bookmark located in a structured document tag (sdt) will lead to ArgumentNullException.
Declined
Last Updated:
23 Dec 2025 12:19
by ADMIN
ADMIN
Created by:
Deyan
Comments:
3
Category:
WordsProcessing
Type:
Bug Report
Import of Tables with border style needs improvements. Currently, it takes multiple seconds to import table with 100x6 cells no matter if the border style is defined globally or locally. This may be seen when importing the attached files "table with borders.html" and "table single border style.html". Importing the same table without borders is achieved in less than a second which may be seen with the attached "table without borders.html".