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+Change: Unify file IDs
+
+We changed the file IDs to be consistent across all our APIs (WebDAV, LibreGraph, OCS). We removed the base64 encoding. Now they are formatted like <storageID>!<opaqueID>. They are using a reserved character ``!`` as a URL safe separator.
+
+https://github.com/owncloud/ocis/pull/3185