microsoft · machavan · Jul 23, 2025 · Jul 22, 2025 · Jul 22, 2025 · Jul 22, 2025
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,42 @@
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
+## [13.1.1] Preview Release
+
+### Added
+
+- **JSON datatype support** [#2558](https://github.com/microsoft/mssql-jdbc/pull/2558)
+  **What was added**: Support for reading and writing JSON columns in SQL Server.
+  **Who benefits**: Developers working with semi-structured data in SQL Server.
+  **Impact**: Enhances application flexibility by natively handling JSON content, reducing need for manual parsing.
+
+- **Add order hints for Bulk Copy operations** [#2701](https://github.com/microsoft/mssql-jdbc/pull/2701)
+  **What was added**: Support for specifying order hints during Bulk Copy.
+  **Who benefits**: Data engineers and DBAs managing large data migrations or ETL jobs.
+  **Impact**: Improves bulk data load performance.
+
+- **Coding best practices and review process** [#2666](https://github.com/microsoft/mssql-jdbc/pull/2666)
+  **What was added**: Introduced contributor guidelines, coding best practices, and review processes.
+  **Who benefits**: Open-source contributors and maintainers of the mssql-jdbc project.
+  **Impact**: Improves code quality, consistency, and onboarding experience for new contributors.
+
+- **Add new trusted AKV URLs for FR and DE** [#2708](https://github.com/microsoft/mssql-jdbc/pull/2708)
+  **What was added**: Registered four new Azure Key Vault and Managed HSM endpoints for France and Germany.
+  **Who benefits**: Customers in regulated regions (France, Germany) using AKV for encryption.
+  **Impact**: Enables secure key operations via region-specific trusted endpoints.
+
+### Fixed issues
+
+- **Fix for null handling in temporal types with bulk copy** [#2702](https://github.com/microsoft/mssql-jdbc/pull/2702)
+  **What was fixed**: Properly handle null values for temporal types when sendTemporalDataTypesAsStringForBulkCopy=false.
+  **Who benefits**: Developers using batch insert with native temporal types in bulk copy.
+  **Impact**: Prevents failures during bulk inserts, improving reliability of time-sensitive data ingestion.
+
+- **Fix string insertion with bulk copy API when sendStringParametersAsUnicode=false** [#2704](https://github.com/microsoft/mssql-jdbc/pull/2704)
+  **What was fixed**: Resolved issue where strings were inserted as byte arrays in batch bulk copy mode when sendStringParametersAsUnicode is set to false.
+  **Who benefits**: Developers using non-Unicode string inserts in performance-sensitive batch operations.
+  **Impact**:  Ensures string integrity during batch inserts, eliminating silent data corruption.
+
 
 ## [13.1.0] Preview Release
 

diff --git a/README.md b/README.md
@@ -83,7 +83,7 @@ We're now on the Maven Central Repository. Add the following to your POM file to
 <dependency>
 	<groupId>com.microsoft.sqlserver</groupId>
 	<artifactId>mssql-jdbc</artifactId>
-	<version>13.1.0.jre11-preview</version>
+	<version>13.1.1.jre11-preview</version>
 </dependency>
 ```
 The driver can be downloaded from [Microsoft](https://aka.ms/downloadmssqljdbc). For driver version 12.1.0 and greater, please use the jre11 version when using Java 11 or greater, and the jre8 version when using Java 8.
@@ -94,7 +94,7 @@ To get the latest version of the driver, add the following to your POM file:
 <dependency>
 	<groupId>com.microsoft.sqlserver</groupId>
 	<artifactId>mssql-jdbc</artifactId>
-	<version>13.1.0.jre11-preview</version>
+	<version>13.1.1.jre11-preview</version>
 </dependency>
 ```
 
@@ -129,7 +129,7 @@ Projects that require either of the two features need to explicitly declare the
 <dependency>
 	<groupId>com.microsoft.sqlserver</groupId>
 	<artifactId>mssql-jdbc</artifactId>
-	<version>13.1.0.jre11-preview</version>
+	<version>13.1.1.jre11-preview</version>
 	<scope>compile</scope>
 </dependency>
 
@@ -147,7 +147,7 @@ Projects that require either of the two features need to explicitly declare the
 <dependency>
 	<groupId>com.microsoft.sqlserver</groupId>
 	<artifactId>mssql-jdbc</artifactId>
-	<version>13.1.0.jre11-preview</version>
+	<version>13.1.1.jre11-preview</version>
 	<scope>compile</scope>
 </dependency>
 
@@ -174,7 +174,7 @@ When setting 'useFmtOnly' property to 'true' for establishing a connection or cr
 <dependency>
 	<groupId>com.microsoft.sqlserver</groupId>
 	<artifactId>mssql-jdbc</artifactId>
-	<version>13.1.0.jre11-preview</version>
+	<version>13.1.1.jre11-preview</version>
 </dependency>
 
 <dependency>

diff --git a/build.gradle b/build.gradle
@@ -11,7 +11,7 @@
 
 apply plugin: 'java'
 
-version = '13.1.0'
+version = '13.1.1'
 def releaseExt = '-preview'
 def jreVersion = ""
 def testOutputDir = file("build/classes/java/test")

diff --git a/mssql-jdbc_auth_LICENSE b/mssql-jdbc_auth_LICENSE
@@ -1,5 +1,5 @@
 MICROSOFT SOFTWARE LICENSE TERMS
-MICROSOFT JDBC DRIVER 13.1.0 FOR SQL SERVER
+MICROSOFT JDBC DRIVER 13.1.1 FOR SQL SERVER
 
 These license terms are an agreement between you and Microsoft Corporation (or one of its affiliates). They apply to the software named above and any Microsoft services or software updates (except to the extent such services or updates are accompanied by new or additional terms, in which case those different terms apply prospectively and do not alter your or Microsoft’s rights relating to pre-updated software or services). IF YOU COMPLY WITH THESE LICENSE TERMS, YOU HAVE THE RIGHTS BELOW.  BY USING THE SOFTWARE, YOU ACCEPT THESE TERMS.
 

diff --git a/pom.xml b/pom.xml
@@ -5,7 +5,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.microsoft.sqlserver</groupId>
 	<artifactId>mssql-jdbc</artifactId>
-	<version>13.1.0</version>
+	<version>13.1.1</version>
 	<packaging>jar</packaging>
 	<name>Microsoft JDBC Driver for SQL Server</name>
 	<description>

diff --git a/src/main/java/com/microsoft/sqlserver/jdbc/SQLJdbcVersion.java b/src/main/java/com/microsoft/sqlserver/jdbc/SQLJdbcVersion.java
@@ -8,7 +8,7 @@
 final class SQLJdbcVersion {
     static final int MAJOR = 13;
     static final int MINOR = 1;
-    static final int PATCH = 0;
+    static final int PATCH = 1;
     static final int BUILD = 0;
     /*
      * Used to load mssql-jdbc_auth DLL.

diff --git a/src/samples/adaptive/pom.xml b/src/samples/adaptive/pom.xml
@@ -15,7 +15,7 @@
 		<dependency>
 			<groupId>com.microsoft.sqlserver</groupId>
 			<artifactId>mssql-jdbc</artifactId>
-			<version>13.1.0.jre11-preview</version>
+			<version>13.1.1.jre11-preview</version>
 		</dependency>
 	</dependencies>
 	<profiles>

diff --git a/src/samples/alwaysencrypted/pom.xml b/src/samples/alwaysencrypted/pom.xml
@@ -15,7 +15,7 @@
 		<dependency>
 			<groupId>com.microsoft.sqlserver</groupId>
 			<artifactId>mssql-jdbc</artifactId>
-			<version>13.1.0.jre11-preview</version>
+			<version>13.1.1.jre11-preview</version>
 		</dependency>
 	</dependencies>
 	<profiles>

diff --git a/src/samples/azureactivedirectoryauthentication/pom.xml b/src/samples/azureactivedirectoryauthentication/pom.xml
@@ -14,7 +14,7 @@
 		<dependency>
 			<groupId>com.microsoft.sqlserver</groupId>
 			<artifactId>mssql-jdbc</artifactId>
-			<version>13.1.0.jre11-preview</version>
+			<version>13.1.1.jre11-preview</version>
 		</dependency>
 	</dependencies>
 	<profiles>

diff --git a/src/samples/connections/pom.xml b/src/samples/connections/pom.xml
@@ -14,7 +14,7 @@
 		<dependency>
 			<groupId>com.microsoft.sqlserver</groupId>
 			<artifactId>mssql-jdbc</artifactId>
-			<version>13.1.0.jre11-preview</version>
+			<version>13.1.1.jre11-preview</version>
 		</dependency>
 	</dependencies>
 	<profiles>

diff --git a/src/samples/constrained/pom.xml b/src/samples/constrained/pom.xml
@@ -16,7 +16,7 @@
         <dependency>
             <groupId>com.microsoft.sqlserver</groupId>
             <artifactId>mssql-jdbc</artifactId>
-            <version>13.1.0.jre11-preview</version>
+            <version>13.1.1.jre11-preview</version>
         </dependency>
     </dependencies>
     <profiles>

diff --git a/src/samples/dataclassification/pom.xml b/src/samples/dataclassification/pom.xml
@@ -16,7 +16,7 @@
 		<dependency>
 			<groupId>com.microsoft.sqlserver</groupId>
 			<artifactId>mssql-jdbc</artifactId>
-			<version>13.1.0.jre11-preview</version>
+			<version>13.1.1.jre11-preview</version>
 		</dependency>
 	</dependencies>
 	<profiles>

diff --git a/src/samples/datatypes/pom.xml b/src/samples/datatypes/pom.xml
@@ -15,7 +15,7 @@
 		<dependency>
 			<groupId>com.microsoft.sqlserver</groupId>
 			<artifactId>mssql-jdbc</artifactId>
-			<version>13.1.0.jre11-preview</version>
+			<version>13.1.1.jre11-preview</version>
 		</dependency>
 	</dependencies>
 	<profiles>

diff --git a/src/samples/resultsets/pom.xml b/src/samples/resultsets/pom.xml
@@ -14,7 +14,7 @@
 		<dependency>
 			<groupId>com.microsoft.sqlserver</groupId>
 			<artifactId>mssql-jdbc</artifactId>
-			<version>13.1.0.jre11-preview</version>
+			<version>13.1.1.jre11-preview</version>
 		</dependency>
 	</dependencies>
 	<profiles>

diff --git a/src/samples/sparse/pom.xml b/src/samples/sparse/pom.xml
@@ -14,7 +14,7 @@
 		<dependency>
 			<groupId>com.microsoft.sqlserver</groupId>
 			<artifactId>mssql-jdbc</artifactId>
-			<version>13.1.0.jre11-preview</version>
+			<version>13.1.1.jre11-preview</version>
 		</dependency>
 	</dependencies>
 	<profiles>