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XNAT 220.127.116.11 is a hotfix release, addressing a critical bug discovered in XNAT 1.8.5 that affects DICOM file naming when importing scans via C-STORE. We strongly urge all sites running XNAT 1.8.5 and above to upgrade to XNAT 18.104.22.168, and to stay tuned for upcoming utility services that we will be testing and releasing to help mitigate the issue caused by this bug.
What this means is that it could be possible for sites that upgraded to XNAT 1.8.5 and 1.8.6 to inadvertently import duplicate scan data with different file names, if you are reuploading data that had been previously uploaded in XNAT 1.8.4 and earlier.
This bug only affects data that was imported via C-STORE, and does not impact data that was uploaded via the Compressed Uploader, the XNAT Desktop Client, XNATpy, or other REST-based upload services.
Please see our XNAT 22.214.171.124 release notes for details on this issue and our mitigation plans.