We are pleased to announce the release of GroupDocs.Redaction for .NET 25.12, published in December 2025. In this release, we addressed several important issues and introduced valuable improvements to Presentation and WordProcessing document redaction.

Fixes and enhancements

  • [Enhancement] Enhanced support for Presentation formats with newly added compatibility for POTM, POTX, and OTP files. (REDACTIONNET-696)
  • [Bug] Fixed an issue where POTM files could not be opened after redaction. (REDACTIONNET-691)
  • [Bug] Resolved a problem causing missing color redactions in WordProcessing documents when required fonts were not installed. (REDACTIONNET-693)
  • [Bug] Corrected the incorrect definition and handling of Presentation output formats, ensuring consistent output. (REDACTIONNET-695)

What’s New?

This release brings important improvements and fixes focused on enhancing stability and expanding Presentation format support. The following changes have been implemented:

  • Extended Presentation format support: GroupDocs.Redaction now works with POTM, POTX, and OTP files, ensuring a broader range of Presentation documents can be processed and redacted.

  • Correct handling of Presentation output formats: The logic responsible for defining and generating Presentation output formats has been corrected, resulting in stable and expected output files.

  • Reliable color redactions in WordProcessing documents: Color redaction issues caused by missing system fonts have been fixed, ensuring consistent rendering across different environments.

How to get the update

Learn more