diff --git a/release-notes/README.md b/release-notes/README.md
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@@ -22,6 +22,7 @@ The latest stable release is [Microsoft.Data.SqlClient.AlwaysEncrypted.AzureKeyV
 
 ## Release Information
 
+- [Microsoft.Data.SqlClient.AlwaysEncrypted.AzureKeyVaultProvider 5.1](add-ons/AzureKeyVaultProvider/5.1)
 - [Microsoft.Data.SqlClient.AlwaysEncrypted.AzureKeyVaultProvider 3.0](add-ons/AzureKeyVaultProvider/3.0)
 - [Microsoft.Data.SqlClient.AlwaysEncrypted.AzureKeyVaultProvider 2.0](add-ons/AzureKeyVaultProvider/2.0)
 - [Microsoft.Data.SqlClient.AlwaysEncrypted.AzureKeyVaultProvider 1.2](add-ons/AzureKeyVaultProvider/1.2)
diff --git a/release-notes/add-ons/AzureKeyVaultProvider/5.1/5.1.0.md b/release-notes/add-ons/AzureKeyVaultProvider/5.1/5.1.0.md
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+++ b/release-notes/add-ons/AzureKeyVaultProvider/5.1/5.1.0.md
@@ -0,0 +1,72 @@
+# Release Notes
+
+## General Availability of Microsoft.Data.SqlClient.AlwaysEncrypted.AzureKeyVaultProvider
+
+_**5.1.0 released 01 February 2024**_
+
+This library contains the implementation of `Microsoft.Data.SqlClient.SqlColumnEncryptionKeyStoreProvider` for accessing Azure Key Vault, and the provider class is named `SqlColumnEncryptionAzureKeyVaultProvider`.
+
+### Changed
+
+- Changed Microsoft.Data.SqlClient version 3.0.0 to 5.1.5 [#2330](https://github.com/dotnet/SqlClient/pull/2330)
+- Changed Azure.Core version 1.6.0 to 1.35.0 [#2330](https://github.com/dotnet/SqlClient/pull/2330)
+- Changed Azure.Security.KeyVault.Keys 4.0.3 to 4.5.0 [#2330](https://github.com/dotnet/SqlClient/pull/2330)
+- Changed Microsoft.Extensions.Caching.Memory 5.0.0 to 8.0.0 for .Net 8.0 and 6.0.1 for other Target frameworks [#2330](https://github.com/dotnet/SqlClient/pull/2330)
+
+### Working with SQLColumnEncryptionAzureKeyVaultProvider
+
+`SqlColumnEncryptionAzureKeyVaultProvider` **v5.1** is implemented against `Microsoft.Data.SqlClient` **v5.1** and supports .NET Framework 4.6.2+, .NET Core 6.0+, and .NET Standard 2.0+. The provider name identifier for this library is "**AZURE_KEY_VAULT**" and it is not registered in the driver by default. Client applications may initialize this provider by providing an `Azure.Core.TokenCredential` and registering it with the driver using any of the below APIs:
+
+- [SqlConnection.RegisterColumnEncryptionKeyStoreProviders](https://docs.microsoft.com/dotnet/api/microsoft.data.sqlclient.sqlconnection.registercolumnencryptionkeystoreproviders?view=sqlclient-dotnet-5.1)
+- [SqlConnection.RegisterColumnEncryptionKeyStoreProvidersOnConnection](https://docs.microsoft.com/dotnet/api/microsoft.data.sqlclient.sqlconnection.registercolumnencryptionkeystoreprovidersonconnection?view=sqlclient-dotnet-5.1) (Added in version 3.0.0)
+- [SqlCommand.RegisterColumnEncryptionKeyStoreProvidersOnCommand](https://docs.microsoft.com/dotnet/api/microsoft.data.sqlclient.sqlcommand.registercolumnencryptionkeystoreprovidersoncommand?view=sqlclient-dotnet-5.1) (Added in version 3.0.0)
+
+Once the provider is registered, it can be used to perform Always Encrypted operations by creating a Column Master Key using the Azure Key Vault Key Identifier URL.
+
+The linked C# samples below demonstrate using Always Encrypted with secure enclaves with Azure Key Vault:
+
+- Legacy API support (Always Encrypted): [AzureKeyVaultProviderExample.cs](https://github.com/dotnet/SqlClient/blob/main/doc/samples/AzureKeyVaultProviderLegacyExample_2_0.cs)
+- New API support (Always Encrypted): [AzureKeyVaultProviderExample.cs](https://github.com/dotnet/SqlClient/blob/main/doc/samples/AzureKeyVaultProviderExample_2_0.cs)
+- Legacy API support (Always Encrypted with secure enclaves): [AzureKeyVaultProviderExample.cs](https://github.com/dotnet/SqlClient/blob/main/doc/samples/doc\samples\AzureKeyVaultProviderWithEnclaveProviderExample.cs)
+- New API support (Always Encrypted with secure enclaves): [AzureKeyVaultProviderExample.cs](https://github.com/dotnet/SqlClient/blob/main/doc/samples/doc\samples\AzureKeyVaultProviderWithEnclaveProviderExample_2_0.cs)
+- Column Encryption Key cache scope example: [AzureKeyVaultProvider_ColumnEncryptionKeyCacheScope.cs](https://github.com/dotnet/SqlClient/blob/main/doc/samples/AzureKeyVaultProvider_ColumnEncryptionKeyCacheScope.cs)
+- Registering custom key store provider - Connection Precedence: [RegisterCustomKeyStoreProvider_ConnectionPrecedence.cs](https://github.com/dotnet/SqlClient/blob/main/doc/samples/RegisterCustomKeyStoreProvider_ConnectionPrecedence.cs)
+- Registering custom key store provider - Command Precedence: [RegisterCustomKeyStoreProvider_CommandPrecedence.cs](https://github.com/dotnet/SqlClient/blob/main/doc/samples/RegisterCustomKeyStoreProvider_CommandPrecedence.cs)
+
+For further details, refer to [Using the Azure Key Vault provider](https://docs.microsoft.com/sql/connect/ado-net/sql/sqlclient-support-always-encrypted#using-the-azure-key-vault-provider)
+
+## Target Platform Support
+
+- .NET Framework 4.6.2+
+- .NET Core 6.0+ (Windows x86, Windows x64, Linux, macOS)
+- .NET Standard 2.0+
+
+### Dependencies
+
+#### .NET Framework
+
+- Azure.Core 1.35.0
+- Azure.Security.KeyVault.Keys 4.5.0
+- Microsoft.Data.SqlClient 5.1.5
+- Microsoft.Extensions.Caching.Memory 6.0.1
+
+##### .NET 6
+
+- Azure.Core 1.35.0
+- Azure.Security.KeyVault.Keys 4.5.0
+- Microsoft.Data.SqlClient 5.1.5
+- Microsoft.Extensions.Caching.Memory 6.0.1
+
+#### .NET 8
+
+- Azure.Core 1.35.0
+- Azure.Security.KeyVault.Keys 4.5.0
+- Microsoft.Data.SqlClient 5.1.5
+- Microsoft.Extensions.Caching.Memory 8.0.0
+
+#### .NET Standard
+
+- Azure.Core 1.35.0
+- Azure.Security.KeyVault.Keys 4.5.0
+- Microsoft.Data.SqlClient 5.1.5
+- Microsoft.Extensions.Caching.Memory 6.0.1
diff --git a/release-notes/add-ons/AzureKeyVaultProvider/5.1/README.md b/release-notes/add-ons/AzureKeyVaultProvider/5.1/README.md
new file mode 100644
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+++ b/release-notes/add-ons/AzureKeyVaultProvider/5.1/README.md
@@ -0,0 +1,7 @@
+# Microsoft.Data.SqlClient.AlwaysEncrypted.AzureKeyVaultProvider 5.1 Releases
+
+The following Microsoft.Data.SqlClient.AlwaysEncrypted.AzureKeyVaultProvider 5.1 stable releases have been shipped:
+
+| Release Date | Description | Notes |
+| :-- | :-- | :--: |
+| 2024/02/01 | 5.1.0  | [release notes](5.1.0.md) |