chore: update version to 1.6.0 and add changelog entries for dynamic endpoint resolution features

Author: reeshika-h

CHANGELOG.md

@@ -2,6 +2,14 @@
 
 A brief description of what changes project contains
 
+## Jun 15, 2026
+
+#### v1.6.0
+
+- Feature: Dynamic endpoint resolution via `Endpoint.getContentstackEndpoint()` backed by the Contentstack Regions Registry
+- Feature: `Utils.getContentstackEndpoint()` proxy for backward-compatible access
+- Feature: `regions.json` auto-downloaded at build time via `scripts/download-regions.sh` with runtime fallback
+
 ## Apr 30, 2026
 
 #### v1.5.1

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.contentstack.sdk</groupId>
     <artifactId>utils</artifactId>
-    <version>1.5.1</version>
+    <version>1.6.0</version>
     <packaging>jar</packaging>
     <name>Contentstack-utils</name>
     <description>Java Utils SDK for Contentstack Content Delivery API, Contentstack is a headless CMS</description>