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There are some feature differences
Configuration won't be migrated automatically by the Migration path Atlassian provides
Feature differences
For the core part of Excel-like Bulk Issue Editor for Jira, the user-facing features are similar between the different hosting versions. However, some features are different. We recommend you test the needed functions in your testing environment.
Features Comparison Data Center with Cloud
Migration path
Verify that all the needed features exist on Jira Cloud
Check the Supported platforms
Install Excel-like Bulk Issue Editor for Jira on your Jira Cloud instance
Manually set the Date/Time Configuration
Manually set the Permissions if required
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Check out this article if you are migrating from Cloud to Cloud. How to migrate Excel-like Bulk Issue Editor from Cloud to Cloud