From 65b78698e8c386ea2c5b85a82b8c7f80b336d4fa Mon Sep 17 00:00:00 2001
From: "release-please[bot]"
 <55107282+release-please[bot]@users.noreply.github.com>
Date: Tue, 13 Jan 2026 01:02:32 +0000
Subject: [PATCH] chore(main): release 1.28.0

---
 CHANGELOG.md            | 17 +++++++++++++++++
 core/pom.xml            |  4 ++--
 docs/jdbc.md            | 16 ++++++++--------
 docs/r2dbc.md           | 16 ++++++++--------
 jdbc/mariadb/pom.xml    |  4 ++--
 jdbc/mysql-j-8/pom.xml  |  4 ++--
 jdbc/postgres/pom.xml   |  4 ++--
 jdbc/sqlserver/pom.xml  |  4 ++--
 pom.xml                 |  2 +-
 r2dbc/core/pom.xml      |  4 ++--
 r2dbc/mariadb/pom.xml   |  4 ++--
 r2dbc/mysql/pom.xml     |  4 ++--
 r2dbc/postgres/pom.xml  |  4 ++--
 r2dbc/sqlserver/pom.xml |  4 ++--
 versions.txt            | 24 ++++++++++++------------
 15 files changed, 66 insertions(+), 49 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7e26b8be..37feb9729 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## [1.28.0](https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/compare/v1.27.1...v1.28.0) (2026-01-13)
+
+
+### Features
+
+* Use configured DNS name to lookup instance IP address ([#2244](https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/issues/2244)) ([f89e805](https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/commit/f89e8057b7c9568e85c8ceb8beb7b9df9f9b9e69)), closes [#2243](https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/issues/2243)
+
+
+### Bug Fixes
+
+* Update the R2DBC connectors to work with Netty 4.2+ ([#2240](https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/issues/2240)) ([efa8bb9](https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/commit/efa8bb980f205b8edb5d841929cfb8602d1573eb)), closes [#2227](https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/issues/2227)
+
+
+### Dependencies
+
+* Update project dependencies to latest ([#2249](https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/issues/2249)) ([6881969](https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/commit/6881969e2e792c056de65c12637c09f7e4cfa993))
+
 ## [1.27.1](https://github.com/GoogleCloudPlatform/cloud-sql-jdbc-socket-factory/compare/v1.27.0...v1.27.1) (2025-12-09)
 
 
diff --git a/core/pom.xml b/core/pom.xml
index 255be3980..c7ed70fe5 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -23,10 +23,10 @@
   <parent>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>jdbc-socket-factory-parent</artifactId>
-    <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
+    <version>1.28.0</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
   </parent>
   <artifactId>jdbc-socket-factory-core</artifactId>
-  <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:jdbc-socket-factory-core:current} -->
+  <version>1.28.0</version><!-- {x-version-update:jdbc-socket-factory-core:current} -->
   <packaging>jar</packaging>
 
   <name>Cloud SQL Core Socket Factory (Core Library, don't depend on this directly)</name>
diff --git a/docs/jdbc.md b/docs/jdbc.md
index 2b3ef2acc..6a3fe2011 100644
--- a/docs/jdbc.md
+++ b/docs/jdbc.md
@@ -16,14 +16,14 @@ Maven
 <dependency>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>mysql-socket-factory-connector-j-8</artifactId>
-    <version>1.27.1</version>
+    <version>1.28.0</version>
 </dependency>
 ```
 
 Gradle
 
 ```gradle
-compile 'com.google.cloud.sql:mysql-socket-factory-connector-j-8:1.27.1'
+compile 'com.google.cloud.sql:mysql-socket-factory-connector-j-8:1.28.0'
 ```
 
 <!-- {x-version-update-end} -->
@@ -37,14 +37,14 @@ Maven
 <dependency>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>mariadb-socket-factory</artifactId>
-    <version>1.27.1</version>
+    <version>1.28.0</version>
 </dependency>
 ```
 
 Gradle
 
 ```gradle
-compile 'com.google.cloud.sql:mariadb-socket-factory:1.27.1'
+compile 'com.google.cloud.sql:mariadb-socket-factory:1.28.0'
 ```
 
 **Note:** Also include the JDBC Driver for
@@ -60,14 +60,14 @@ Maven
 <dependency>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>postgres-socket-factory</artifactId>
-    <version>1.27.1</version>
+    <version>1.28.0</version>
 </dependency>
 ```
 
 Gradle
 
 ```gradle
-compile 'com.google.cloud.sql:postgres-socket-factory:1.27.1'
+compile 'com.google.cloud.sql:postgres-socket-factory:1.28.0'
 ```
 
 **Note:**  Also include the JDBC Driver for
@@ -83,14 +83,14 @@ Maven
 <dependency>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>cloud-sql-connector-jdbc-sqlserver</artifactId>
-    <version>1.27.1</version>
+    <version>1.28.0</version>
 </dependency>
 ```
 
 Gradle
 
 ```gradle
-compile 'com.google.cloud.sql:cloud-sql-connector-jdbc-sqlserver:1.27.1'
+compile 'com.google.cloud.sql:cloud-sql-connector-jdbc-sqlserver:1.28.0'
 ```
 
 **Note:**  Also include the JDBC Driver for SQL
diff --git a/docs/r2dbc.md b/docs/r2dbc.md
index 212cb4353..da5c6259f 100644
--- a/docs/r2dbc.md
+++ b/docs/r2dbc.md
@@ -18,14 +18,14 @@ Maven
 <dependency>
   <groupId>com.google.cloud.sql</groupId>
   <artifactId>cloud-sql-connector-r2dbc-mysql</artifactId>
-  <version>1.27.1</version>
+  <version>1.28.0</version>
 </dependency>
 ```
 
 Gradle
 
 ```gradle
-compile 'com.google.cloud.sql:cloud-sql-connector-r2dbc-mysql:1.27.1'
+compile 'com.google.cloud.sql:cloud-sql-connector-r2dbc-mysql:1.28.0'
 ```
 
 **Note:** Also include the R2DBC Driver for
@@ -40,14 +40,14 @@ Maven
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>cloud-sql-connector-r2dbc-mariadb</artifactId>
-  <version>1.27.1</version>
+  <version>1.28.0</version>
 </dependency>
 ```
 
 Gradle
 
 ```gradle
-compile 'com.google.cloud:cloud-sql-connector-r2dbc-mariadb:1.27.1'
+compile 'com.google.cloud:cloud-sql-connector-r2dbc-mariadb:1.28.0'
 ```
 
 **Note:** Also include the R2DBC Driver for
@@ -63,14 +63,14 @@ Maven
 <dependency>
   <groupId>com.google.cloud.sql</groupId>
   <artifactId>cloud-sql-connector-r2dbc-postgres</artifactId>
-  <version>1.27.1</version>
+  <version>1.28.0</version>
 </dependency>
 ```
 
 Gradle
 
 ```gradle
-compile 'com.google.cloud.sql:cloud-sql-connector-r2dbc-postgres:1.27.1'
+compile 'com.google.cloud.sql:cloud-sql-connector-r2dbc-postgres:1.28.0'
 ```
 
 **Note:** Also include the R2DBC Driver for
@@ -86,14 +86,14 @@ Maven
 <dependency>
   <groupId>com.google.cloud.sql</groupId>
   <artifactId>cloud-sql-connector-r2dbc-sqlserver</artifactId>
-  <version>1.27.1</version>
+  <version>1.28.0</version>
 </dependency>
 ```
 
 Gradle
 
 ```gradle
-compile 'com.google.cloud.sql:cloud-sql-connector-r2dbc-sqlserver:1.27.1'
+compile 'com.google.cloud.sql:cloud-sql-connector-r2dbc-sqlserver:1.28.0'
 ```
 
 **Note:** Also include the R2DBC Driver for SQL
diff --git a/jdbc/mariadb/pom.xml b/jdbc/mariadb/pom.xml
index 26c512cb5..d4dabda02 100644
--- a/jdbc/mariadb/pom.xml
+++ b/jdbc/mariadb/pom.xml
@@ -22,11 +22,11 @@
   <parent>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>jdbc-socket-factory-parent</artifactId>
-    <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
+    <version>1.28.0</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>mariadb-socket-factory</artifactId>
-  <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:mariadb-socket-factory:current} -->
+  <version>1.28.0</version><!-- {x-version-update:mariadb-socket-factory:current} -->
   <packaging>jar</packaging>
 
   <name>Cloud SQL MariaDB Socket Factory</name>
diff --git a/jdbc/mysql-j-8/pom.xml b/jdbc/mysql-j-8/pom.xml
index cc6267151..b6b5ce7ad 100644
--- a/jdbc/mysql-j-8/pom.xml
+++ b/jdbc/mysql-j-8/pom.xml
@@ -23,12 +23,12 @@
   <parent>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>jdbc-socket-factory-parent</artifactId>
-    <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
+    <version>1.28.0</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
   <artifactId>mysql-socket-factory-connector-j-8</artifactId>
-  <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:mysql-socket-factory-connector-j-8:current} -->
+  <version>1.28.0</version><!-- {x-version-update:mysql-socket-factory-connector-j-8:current} -->
   <packaging>jar</packaging>
 
   <name>Cloud SQL MySQL Socket Factory (for Connector/J 8.x)</name>
diff --git a/jdbc/postgres/pom.xml b/jdbc/postgres/pom.xml
index efa09d4b1..1abf9c99f 100644
--- a/jdbc/postgres/pom.xml
+++ b/jdbc/postgres/pom.xml
@@ -22,11 +22,11 @@
   <parent>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>jdbc-socket-factory-parent</artifactId>
-    <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
+    <version>1.28.0</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>postgres-socket-factory</artifactId>
-  <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:postgres-socket-factory:current} -->
+  <version>1.28.0</version><!-- {x-version-update:postgres-socket-factory:current} -->
   <packaging>jar</packaging>
 
   <name>Cloud SQL Postgres Socket Factory</name>
diff --git a/jdbc/sqlserver/pom.xml b/jdbc/sqlserver/pom.xml
index 6e824a74a..0293ab014 100644
--- a/jdbc/sqlserver/pom.xml
+++ b/jdbc/sqlserver/pom.xml
@@ -22,11 +22,11 @@
   <parent>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>jdbc-socket-factory-parent</artifactId>
-    <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
+    <version>1.28.0</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>cloud-sql-connector-jdbc-sqlserver</artifactId>
-    <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:cloud-sql-connector-jdbc-sqlserver:current} -->
+    <version>1.28.0</version><!-- {x-version-update:cloud-sql-connector-jdbc-sqlserver:current} -->
   <packaging>jar</packaging>
 
   <name>Cloud SQL JDBC Connector for SQL Server</name>
diff --git a/pom.xml b/pom.xml
index da2928877..f7bf6836f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
   <groupId>com.google.cloud.sql</groupId>
   <artifactId>jdbc-socket-factory-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
+  <version>1.28.0</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
 
   <parent>
     <groupId>com.google.cloud</groupId>
diff --git a/r2dbc/core/pom.xml b/r2dbc/core/pom.xml
index d0a982197..0c43cff7a 100644
--- a/r2dbc/core/pom.xml
+++ b/r2dbc/core/pom.xml
@@ -21,11 +21,11 @@
   <parent>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>jdbc-socket-factory-parent</artifactId>
-    <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
+    <version>1.28.0</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>cloud-sql-connector-r2dbc-core</artifactId>
-  <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:cloud-sql-connector-r2dbc-core:current} -->
+  <version>1.28.0</version><!-- {x-version-update:cloud-sql-connector-r2dbc-core:current} -->
   <packaging>jar</packaging>
 
   <name>Cloud SQL R2DBC Connection Factory (R2DBC Core Library, don't depend on this directly)</name>
diff --git a/r2dbc/mariadb/pom.xml b/r2dbc/mariadb/pom.xml
index 2173e2b7f..8d9944d41 100644
--- a/r2dbc/mariadb/pom.xml
+++ b/r2dbc/mariadb/pom.xml
@@ -22,12 +22,12 @@
   <parent>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>jdbc-socket-factory-parent</artifactId>
-    <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
+    <version>1.28.0</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <groupId>com.google.cloud</groupId>
   <artifactId>cloud-sql-connector-r2dbc-mariadb</artifactId>
-  <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:cloud-sql-connector-r2dbc-mariadb:current} -->
+  <version>1.28.0</version><!-- {x-version-update:cloud-sql-connector-r2dbc-mariadb:current} -->
   <packaging>jar</packaging>
 
   <name>Google Cloud SQL R2DBC Connector for MariaDB</name>
diff --git a/r2dbc/mysql/pom.xml b/r2dbc/mysql/pom.xml
index dfcf79a5f..0e3f9001c 100644
--- a/r2dbc/mysql/pom.xml
+++ b/r2dbc/mysql/pom.xml
@@ -22,11 +22,11 @@
   <parent>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>jdbc-socket-factory-parent</artifactId>
-    <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
+    <version>1.28.0</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>cloud-sql-connector-r2dbc-mysql</artifactId>
-  <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:cloud-sql-connector-r2dbc-mysql:current} -->
+  <version>1.28.0</version><!-- {x-version-update:cloud-sql-connector-r2dbc-mysql:current} -->
   <packaging>jar</packaging>
 
   <name>Cloud SQL R2DBC Connection Factory for MySQL</name>
diff --git a/r2dbc/postgres/pom.xml b/r2dbc/postgres/pom.xml
index d64fd8528..35e9bee0c 100644
--- a/r2dbc/postgres/pom.xml
+++ b/r2dbc/postgres/pom.xml
@@ -22,11 +22,11 @@
   <parent>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>jdbc-socket-factory-parent</artifactId>
-    <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
+    <version>1.28.0</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>cloud-sql-connector-r2dbc-postgres</artifactId>
-  <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:cloud-sql-connector-r2dbc-postgres:current} -->
+  <version>1.28.0</version><!-- {x-version-update:cloud-sql-connector-r2dbc-postgres:current} -->
   <packaging>jar</packaging>
 
   <name>Cloud SQL R2DBC Connection Factory for Postgres</name>
diff --git a/r2dbc/sqlserver/pom.xml b/r2dbc/sqlserver/pom.xml
index 7ad97443f..18259764a 100644
--- a/r2dbc/sqlserver/pom.xml
+++ b/r2dbc/sqlserver/pom.xml
@@ -22,11 +22,11 @@
   <parent>
     <groupId>com.google.cloud.sql</groupId>
     <artifactId>jdbc-socket-factory-parent</artifactId>
-    <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
+    <version>1.28.0</version><!-- {x-version-update:jdbc-socket-factory-parent:current} -->
     <relativePath>../../pom.xml</relativePath>
   </parent>
   <artifactId>cloud-sql-connector-r2dbc-sqlserver</artifactId>
-  <version>1.27.2-SNAPSHOT</version><!-- {x-version-update:cloud-sql-connector-r2dbc-sqlserver:current} -->
+  <version>1.28.0</version><!-- {x-version-update:cloud-sql-connector-r2dbc-sqlserver:current} -->
   <packaging>jar</packaging>
 
   <name>Cloud SQL R2DBC Connection Factory for SQL Server</name>
diff --git a/versions.txt b/versions.txt
index e81ac11f7..137bb27ae 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,15 +1,15 @@
 # Format:
 # module:released-version:current-version
 
-jdbc-socket-factory-parent:1.27.1:1.27.2-SNAPSHOT
-jdbc-socket-factory-core:1.27.1:1.27.2-SNAPSHOT
-mariadb-socket-factory:1.27.1:1.27.2-SNAPSHOT
-mysql-socket-factory:1.27.1:1.27.2-SNAPSHOT
-mysql-socket-factory-connector-j-8:1.27.1:1.27.2-SNAPSHOT
-postgres-socket-factory:1.27.1:1.27.2-SNAPSHOT
-cloud-sql-connector-jdbc-sqlserver:1.27.1:1.27.2-SNAPSHOT
-cloud-sql-connector-r2dbc-core:1.27.1:1.27.2-SNAPSHOT
-cloud-sql-connector-r2dbc-mariadb:1.27.1:1.27.2-SNAPSHOT
-cloud-sql-connector-r2dbc-mysql:1.27.1:1.27.2-SNAPSHOT
-cloud-sql-connector-r2dbc-postgres:1.27.1:1.27.2-SNAPSHOT
-cloud-sql-connector-r2dbc-sqlserver:1.27.1:1.27.2-SNAPSHOT
+jdbc-socket-factory-parent:1.28.0:1.28.0
+jdbc-socket-factory-core:1.28.0:1.28.0
+mariadb-socket-factory:1.28.0:1.28.0
+mysql-socket-factory:1.28.0:1.28.0
+mysql-socket-factory-connector-j-8:1.28.0:1.28.0
+postgres-socket-factory:1.28.0:1.28.0
+cloud-sql-connector-jdbc-sqlserver:1.28.0:1.28.0
+cloud-sql-connector-r2dbc-core:1.28.0:1.28.0
+cloud-sql-connector-r2dbc-mariadb:1.28.0:1.28.0
+cloud-sql-connector-r2dbc-mysql:1.28.0:1.28.0
+cloud-sql-connector-r2dbc-postgres:1.28.0:1.28.0
+cloud-sql-connector-r2dbc-sqlserver:1.28.0:1.28.0