Prepare for v2.6.6 (#1649)

Signed-off-by: yhmo <yihua.mo@zilliz.com>

CHANGELOG.md

@@ -1,5 +1,17 @@
 # Changelog
 
+## milvus-sdk-java 2.6.6 (2025-10-17)
+### Feature
+- Support NGRAM index
+- Support BoostRanker
+
+### Improvement
+- Support new metric types MAX_SIM_COSINE/MAX_SIM_IP/MAX_SIM_L2/MAX_SIM_JACCARD/MAX_SIM_HAMMING for vector fields inside Struct field
+- Delete index type EMB_LIST_HNSW due to design change of server-side, use normal index types for vector fields inside Struct field
+
+### Bug
+- Fix a critical bug that partial upsert override field value to null
+
 ## milvus-sdk-java 2.6.5 (2025-09-30)
 ### Feature
 - Support Struct type field

README.md

@@ -22,7 +22,7 @@ The following table shows compatibilities between Milvus and Java SDK.
 |     2.3.x      |      2.3.11      |
 |     2.4.x      |      2.4.11      |
 |     2.5.x      |      2.5.14      |
-|     2.6.x      |      2.6.5       |
+|     2.6.x      |      2.6.6       |
 
 ### Install Java SDK
 
@@ -34,20 +34,20 @@ You can use **Apache Maven** or **Gradle** add Milvus SDK to your project.
         <dependency>
             <groupId>io.milvus</groupId>
             <artifactId>milvus-sdk-java</artifactId>
-            <version>2.6.5</version>
+            <version>2.6.6</version>
         </dependency>
        ```
 
    - Gradle/Groovy
 
         ```groovy
-        implementation 'io.milvus:milvus-sdk-java:2.6.5'
+        implementation 'io.milvus:milvus-sdk-java:2.6.6'
         ```
 
    - Gradle/Kotlin
 
         ```kotlin
-        implementation("io.milvus:milvus-sdk-java:2.6.5")
+        implementation("io.milvus:milvus-sdk-java:2.6.6")
         ```
   
 From v2.5.2, milvus Java SDK is split into two packages: milvus-sdk-java and milvus-sdk-java-bulkwriter, because BulkWriter requires quite a lot of dependencies. If you don't need BulkWriter tool, you can ignore the milvus-sdk-java-bulkwriter package.
@@ -59,20 +59,20 @@ To use BulkWriter, import milvus-sdk-java-bulkwriter to your project.
      <dependency>
          <groupId>io.milvus</groupId>
          <artifactId>milvus-sdk-java-bulkwriter</artifactId>
-         <version>2.6.5</version>
+         <version>2.6.6</version>
      </dependency>
     ```
 
    - Gradle/Groovy
 
      ```groovy
-     implementation 'io.milvus:milvus-sdk-java-bulkwriter:2.6.5'
+     implementation 'io.milvus:milvus-sdk-java-bulkwriter:2.6.6'
      ```
 
    - Gradle/Kotlin
 
      ```kotlin
-     implementation("io.milvus:milvus-sdk-java-bulkwriter:2.6.5")
+     implementation("io.milvus:milvus-sdk-java-bulkwriter:2.6.6")
      ```     
 
 ### Examples

examples/pom.xml

@@ -42,7 +42,7 @@
     </build>
 
     <properties>
-        <revision>2.6.5</revision>
+        <revision>2.6.6</revision>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 

pom.xml

@@ -82,7 +82,7 @@
     </repositories>
 
     <properties>
-        <revision>2.6.5</revision>
+        <revision>2.6.6</revision>
         <maven.compiler.source>8</maven.compiler.source>
         <maven.compiler.target>8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>