diff --git a/src/Libraries/Microsoft.Extensions.DataIngestion.Abstractions/CHANGELOG.md b/src/Libraries/Microsoft.Extensions.DataIngestion.Abstractions/CHANGELOG.md
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@@ -0,0 +1,5 @@
+# Release History
+
+## 10.0.0-preview.1
+
+- Initial preview release
diff --git a/src/Libraries/Microsoft.Extensions.DataIngestion.MarkItDown/CHANGELOG.md b/src/Libraries/Microsoft.Extensions.DataIngestion.MarkItDown/CHANGELOG.md
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@@ -0,0 +1,5 @@
+# Release History
+
+## 10.0.0-preview.1
+
+- Initial preview release
diff --git a/src/Libraries/Microsoft.Extensions.DataIngestion.Markdig/CHANGELOG.md b/src/Libraries/Microsoft.Extensions.DataIngestion.Markdig/CHANGELOG.md
new file mode 100644
index 00000000000..7cf926bb99a
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+++ b/src/Libraries/Microsoft.Extensions.DataIngestion.Markdig/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Release History
+
+## 10.0.0-preview.1
+
+- Initial preview release
diff --git a/src/Libraries/Microsoft.Extensions.DataIngestion/CHANGELOG.md b/src/Libraries/Microsoft.Extensions.DataIngestion/CHANGELOG.md
new file mode 100644
index 00000000000..a88260e298f
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+++ b/src/Libraries/Microsoft.Extensions.DataIngestion/CHANGELOG.md
@@ -0,0 +1,9 @@
+# Release History
+
+## 10.1.0-preview.1
+
+- Introduced `SectionChunker` class for treating each document section as a separate entity (https://github.com/dotnet/extensions/pull/7015)
+
+## 10.0.0-preview.1
+
+- Initial preview release