diff --git a/CHANGELOG.md b/CHANGELOG.md
index aeefa3b1fa..e914b54e5c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,16 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
+## [Stable Release 6.1.2] - 2025-10-07
+
+This update brings the below changes over the previous stable release:
+
+### Fixed
+
+- Fixed an issue where initializing PerformanceCounters would throw `System.InvalidOperationException` [#3629](https://github.com/dotnet/sqlclient/pull/3629)
+- Fixed an issue where a Custom SqlClientAuthenticationProvider was being overwritten by default implementation. [#3651](https://github.com/dotnet/SqlClient/pull/3651)
+- Fixed a concurrency issue in connection pooling where the number of active connections could be lower than the configured maximum pool size. [#3653](https://github.com/dotnet/SqlClient/pull/3653)
+
 ## [Stable release 6.0.3] - 2025-10-07
 
 This update brings the below changes over the previous stable release:
diff --git a/release-notes/6.1/6.1.2.md b/release-notes/6.1/6.1.2.md
new file mode 100644
index 0000000000..152fa2e5b7
--- /dev/null
+++ b/release-notes/6.1/6.1.2.md
@@ -0,0 +1,75 @@
+# Release Notes
+
+## Stable Release 6.1.2 - 2025-10-07
+
+This update includes the following changes since the [6.1.1](6.1.1.md) release:
+
+### Fixed
+
+- Fixed an issue where initializing PerformanceCounters would throw `System.InvalidOperationException` [#3629](https://github.com/dotnet/sqlclient/pull/3629)
+- Fixed an issue where a Custom SqlClientAuthenticationProvider was being overwritten by default implementation. [#3651](https://github.com/dotnet/SqlClient/pull/3651)
+- Fixed a concurrency issue in connection pooling where the number of active connections could be lower than the configured maximum pool size. [#3653](https://github.com/dotnet/SqlClient/pull/3653)
+
+## Target Platform Support
+
+- .NET Framework 4.6.2+ (Windows ARM64, Windows x86, Windows x64)
+- .NET 8.0+ (Windows x86, Windows x64, Windows ARM64, Windows ARM, Linux, macOS)
+
+### Dependencies
+
+#### .NET Framework 4.6.2+
+
+- Azure.Core 1.47.1
+- Azure.Identity 1.14.2
+- Microsoft.Bcl.Cryptography 8.0.0
+- Microsoft.Data.SqlClient.SNI 6.0.2
+- Microsoft.Extensions.Caching.Memory 8.0.1
+- Microsoft.IdentityModel.JsonWebTokens 7.7.1
+- Microsoft.IdentityModel.Protocols.OpenIdConnect 7.7.1
+- System.Buffers 4.5.1
+- System.Data.Common 4.3.0
+- System.Security.Cryptography.Pkcs 8.0.1
+- System.Text.Encodings.Web 8.0.0
+- System.Text.Json 8.0.5
+
+#### .NET 8.0
+
+- Azure.Core 1.47.1
+- Azure.Identity 1.14.2
+- Microsoft.Bcl.Cryptography 8.0.0
+- Microsoft.Data.SqlClient.SNI.runtime 6.0.2
+- Microsoft.Extensions.Caching.Memory 8.0.1
+- Microsoft.IdentityModel.JsonWebTokens 7.7.1
+- Microsoft.IdentityModel.Protocols.OpenIdConnect 7.7.1
+- Microsoft.SqlServer.Server 1.0.0
+- System.Configuration.ConfigurationManager 8.0.1
+- System.Security.Cryptography.Pkcs 8.0.1
+- System.Text.Json 8.0.5
+
+#### .NET 9.0
+
+- Azure.Core 1.47.1
+- Azure.Identity 1.14.2
+- Microsoft.Bcl.Cryptography 9.0.4
+- Microsoft.Data.SqlClient.SNI.runtime 6.0.2
+- Microsoft.Extensions.Caching.Memory 9.0.4
+- Microsoft.IdentityModel.JsonWebTokens 7.7.1
+- Microsoft.IdentityModel.Protocols.OpenIdConnect 7.7.1
+- Microsoft.SqlServer.Server 1.0.0
+- System.Configuration.ConfigurationManager 9.0.4
+- System.Security.Cryptography.Pkcs 9.0.4
+- System.Text.Json 9.0.5
+
+#### .NET Standard 2.0
+
+- Azure.Core 1.47.1
+- Azure.Identity 1.14.2
+- Microsoft.Bcl.Cryptography 9.0.4
+- Microsoft.Data.SqlClient.SNI.runtime 6.0.2
+- Microsoft.Extensions.Caching.Memory 9.0.4
+- Microsoft.IdentityModel.JsonWebTokens 7.7.1
+- Microsoft.IdentityModel.Protocols.OpenIdConnect 7.7.1
+- Microsoft.SqlServer.Server 1.0.0
+- System.Configuration.ConfigurationManager 9.0.4
+- System.Security.Cryptography.Pkcs 9.0.4
+- System.Text.Json 9.0.5
diff --git a/release-notes/6.1/README.md b/release-notes/6.1/README.md
index 83a106b744..0eceb46418 100644
--- a/release-notes/6.1/README.md
+++ b/release-notes/6.1/README.md
@@ -1,10 +1,16 @@
 # Microsoft.Data.SqlClient 6.1 Releases
 
-The following Microsoft.Data.SqlClient 6.1 preview releases have been shipped:
+The following Microsoft.Data.SqlClient 6.1 stable releases have been shipped:
 
 | Release Date | Version | Notes |
 | :-- | :-- | :--: |
+| 2025-10-07 | 6.1.2 | [Release Notes](6.1.2.md) |
 | 2025-08-14 | 6.1.1 | [Release Notes](6.1.1.md) |
 | 2025-07-25 | 6.1.0 | [Release Notes](6.1.0.md) |
+
+The following Microsoft.Data.SqlClient 6.1 preview releases have been shipped:
+
+| Release Date | Version | Notes |
+| :-- | :-- | :--: |
 | 2025-06-27 | 6.1.0-preview2.25178.5 | [Release Notes](6.1.0-preview2.md) |
 | 2025-04-30 | 6.1.0-preview1.25120.4 | [Release Notes](6.1.0-preview1.md) |