# Release Notes ## migration-center 3.17 Update 4 This release contains the following fixes and updates: * Updated spring libraries for potential vulnerability CVE-2022-22965 (#61574) * Fixed error when setting user attributes to "Guest" user using the SharePoint Online Batch Importer (#60948) {% hint style="warning" %} Updating from version 3.17 Update 3 requires replacing only the Jobserver component. {% endhint %} Remember to reinstall the CSOM service as well for the SharePoint Online Batch Importer as described [here](/3.17-update-4/importers/sharepoint-online-batch-importer.md#install-and-uninstall). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.migration-center.com/3.17-update-4/release-notes.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.