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diff --git a/WHATSNEW.txt b/WHATSNEW.txt
index 4150dba71fa..a056b9e8c57 100644
--- a/WHATSNEW.txt
+++ b/WHATSNEW.txt
@@ -257,6 +257,13 @@ results are more accurate than running the test with an emulator, because
they reflect the exact kernel and system libraries that exist on the
target.
+Improved Sparse File Support
+----------------------------
+Support for the FSCTL_SET_ZERO_DATA and FSCTL_QUERY_ALLOCATED_RANGES
+SMB2 requests has been added to the smbd file server.
+This allows for clients to deallocate (hole punch) regions within a
+sparse file, and check which portions of a file are allocated.
+
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