diff --git a/src/Libraries/Microsoft.Extensions.AI.Abstractions/CHANGELOG.md b/src/Libraries/Microsoft.Extensions.AI.Abstractions/CHANGELOG.md
index a586329aa33..e60ff276f41 100644
--- a/src/Libraries/Microsoft.Extensions.AI.Abstractions/CHANGELOG.md
+++ b/src/Libraries/Microsoft.Extensions.AI.Abstractions/CHANGELOG.md
@@ -1,6 +1,17 @@
 # Microsoft.Extensions.AI.Abstractions Release History
 
-## 10.1.1 (NOT YET RELEASED)
+## NOT YET RELEASED
+
+- Fixed JSON schema generation for nullable reference type annotations on parameters in AIFunctions.
+
+## 10.2.0
+
+- Updated `ToChatResponse{Async}`'s handling of `AdditionalProperties`, such that `ChatResponseUpdate.AdditionalProperties` is merged into `ChatMessage.AdditionalProperties` for updates that have a non-`null` `MessageId`.
+- Updated `ToChatResponse{Async}` to use the first appropriate `ChatResponseUpdate`'s `CreatedAt` timestamp rather than the last.
+- Added a `Reason` property to `FunctionApprovalResponseContent` in support of custom rejection messages.
+- Added support for custom headers to `HostedMcpServerTool`.
+
+## 10.1.1
 
 - Added `InputCachedTokenCount` and `ReasoningTokenCount` to `UsageDetails`.
 - Added constructors to `HostedCodeInterpreterTool`, `HostedFileSearchTool`, `HostedImageGeneratorTool`, `HostedMcpServerTool`,
diff --git a/src/Libraries/Microsoft.Extensions.AI.OpenAI/CHANGELOG.md b/src/Libraries/Microsoft.Extensions.AI.OpenAI/CHANGELOG.md
index 43238de166c..2aa54df1bb2 100644
--- a/src/Libraries/Microsoft.Extensions.AI.OpenAI/CHANGELOG.md
+++ b/src/Libraries/Microsoft.Extensions.AI.OpenAI/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Microsoft.Extensions.AI.OpenAI Release History
 
-## 10.1.1-preview.1.? (NOT YET RELEASED)
+## 10.2.0-preview.1.26063.2
+
+- Updated the OpenAI Responses `IChatClient` to support `ResponseItem`s with input image urls.
+- Updated the OpenAI Responses `IChatClient` to propagate custom headers on `HostedMcpServerTool`.
+
+## 10.1.1-preview.1.25612.2
 
 - Updated to depend on OpenAI 2.8.0.
 - Updated public API signatures in `OpenAIClientExtensions` and `MicrosoftExtensionsAIResponsesExtensions` to match the corresponding breaking changes in OpenAI's Responses APIs.
diff --git a/src/Libraries/Microsoft.Extensions.AI/CHANGELOG.md b/src/Libraries/Microsoft.Extensions.AI/CHANGELOG.md
index 816e8b92267..50e7868c78c 100644
--- a/src/Libraries/Microsoft.Extensions.AI/CHANGELOG.md
+++ b/src/Libraries/Microsoft.Extensions.AI/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Microsoft.Extensions.AI Release History
 
-## 10.1.1 (NOT YET RELEASED)
+## 10.2.0
+
+- Updated `FunctionInvokingChatClient` to respect `FunctionApprovalResponseContent.Reason`.
+- Improved `FunctionInvokingChatClient`'s handling of `FunctionApprovalResponseContent` items from messages with null `MessageId`s.
+## 10.1.1
 
 - Updated to accommodate the additions in `Microsoft.Extensions.AI.Abstractions`.