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We have a migration path from Fedora 4 to Postgres for anything that doesn’t have files, which has already been implemented with GBH.
Princeton added file versioning support. Fixity checking is still missing but expected in a 5.x release. The migration of file sets and files needs to be implemented but is part of the sprint the board authorized to take place in early 2024.
We still need to make sure that file sets work with Valkyrie and fix the specs up on the new adapters (SoftServ) and get the specs green for koppie (developers . Developers from Emory University have been taking on this work), and thanks to their efforts only two specs remain unresolved. Once that is done there will be a fully working adapter for Fcrepo 4 to Postgres (Freyja) and an untested but likely fairly close to working adapter for Fcrepo 4 to Fcrepo 6 (Frigg).
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