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Our documentation is text-based and user-center.
DSpace 7 docs, https://wiki.lyrasis.org/display/DSDOC7x .
Best source are release notes for DSpace 7.
There isn't a Dspace 7 demo but these is a DSpace 7 preview for the REST-API (4Science), https://dspace7.4science.cloud/server/, and another for the user interface (Atmire), https://dspace7-demo.atmire.com/ .
Call Attendees
Maureen Walsh The Ohio State University Libraries
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