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Can't insert a shape within a graph

Status: Open.

#2104 In dotnet/Open-XML-SDK;

· Flow75 opened on Jun 22, 2026

Improve loading performance of Populate

Status: Open.

#2095 In dotnet/Open-XML-SDK;

· jscarle opened on Jun 10, 2026

WordprocessingDocument.Open returns null MainDocumentPart when [Content_Types].xml omits Default Extension="rels"

Status: Open.

#2091 In dotnet/Open-XML-SDK;

· rakeshbabuseva opened on Jun 2, 2026

MarkupCompatibilityProcessSettings corrupt document for ligatures set in document text

Status: Open.

#2086 In dotnet/Open-XML-SDK;

· fsberuk opened on May 15, 2026

BUG: OpenXml 3.x: SpreadsheetDocument.Open(Stream, false) requires temp/write access (breaks read-only environments)

Status: Open.

#2081 In dotnet/Open-XML-SDK;

· NkhilKajrekar opened on May 11, 2026

Use a pooled StringBuilder for all instances of it

Status: Open.

#2073 In dotnet/Open-XML-SDK;

· twsouthwick opened on Apr 28, 2026

Feature request for Open XML SDK

schema

Status: Open.

#2048 In dotnet/Open-XML-SDK;

· alomakin-msft opened on Mar 26, 2026

API Proposal: Formula Evaluation Feature

Status: Open.

#1973 In dotnet/Open-XML-SDK;

· mliotta opened on Nov 13, 2025

Use specialized URI type for package spec that is more relaxed than System.Uri

Status: Open.

#1965 In dotnet/Open-XML-SDK;

· twsouthwick opened on Sep 29, 2025

Malformed URIs are not rewritten

Status: Open.

#1962 In dotnet/Open-XML-SDK;

· larrygfr opened on Sep 11, 2025

commentParts should have a capitol C

breaking-change

bug

Status: Open.

Bug

#1958 In dotnet/Open-XML-SDK;

· mikeebowen opened on Aug 8, 2025

·  

v4.0

Bug Report: System.OutOfMemoryException when writing large Excel file

bug

Status: Open.

#1951 In dotnet/Open-XML-SDK;

· sw-ms-hardiksenghani opened on Jul 1, 2025