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feat(NODE-7059, NODE-7008): add support for text queries for QE string fields #4597
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                    durran
  
              
              approved these changes
              
                  
                    Aug 18, 2025 
                  
              
              
            
            
  
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Description
What is changing?
Adds support for text queries for QE encrypted fields. Incorporates changes from:
Note that the failing tests on
latestservers will be fixed by mongodb/specifications#1827.Is there new documentation needed for these changes?
What is the motivation for this change?
Release Highlight
Experimental Support for Queryable Encryption Text Field Prefix, Suffix and Substring Queries
Important
Substring, prefix and suffix search are in preview and should be used for experimental workloads only. These features are unstable and their security is not guaranteed until released as Generally Available (GA). The GA version of these features may not be backwards compatible with the preview version.
When using Queryable Encryption with both automatic encryption and explicit encryption, text fields can now be queried using prefix, suffix and substring queries. This feature requires
mongodb-client-encryption@>=6.5.0.Double check the following
npm run check:lintscripttype(NODE-xxxx)[!]: descriptionfeat(NODE-1234)!: rewriting everything in coffeescript