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Table of Contents
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9.1 Release Notes

Note
titleWe highly recommend ALL DSpace 9.x users upgrade to 9.1, or patch their site.

DSpace 9.1 contains two security fixes to the backend (REST API) for all sites running 9.x.  See CVE-2025-53621 and CVE-2025-53622 for details.

Info
titleDSpace 9.1 was released on July 14, 2025

To try out DSpace 9.1 immediately, see Try out DSpace 9. 

To test an upgrade to DSpace 9.1 from 9.x or any prior version, see Upgrading DSpace

  • To upgrade to 9.1, you MUST upgrade both the backend and frontend (user interface). Many bug fixes require updating both.

To install DSpace 9.1, see Installing DSpace.

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