diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..59da762
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,23 @@
+# Changelog
+
+## 1.0.0 (2026-03-05)
+
+### Features
+
+* add v2.1.0 package updates ([396600b](https://github.com/NewtonMan/onesignal-java-api/commit/396600ba4a4cf8fae4f5b76d6da0a2de62a267b0))
+* add v2.2.0 package updates ([b220ea8](https://github.com/NewtonMan/onesignal-java-api/commit/b220ea870a73fcdad37c42188fb27ae714401e4b))
+* add v2.2.0 package updates ([46ba07a](https://github.com/NewtonMan/onesignal-java-api/commit/46ba07a9a59d21feae12aecf7d1a4d426d60c9a4))
+* add v5.0.0-beta1 package updates ([c1fbcf6](https://github.com/NewtonMan/onesignal-java-api/commit/c1fbcf60896529f2e26c2c7aa466e07f232c3f01))
+* add v5.1.0-beta1 package updates ([c819297](https://github.com/NewtonMan/onesignal-java-api/commit/c819297f3083842935cfdc300de6dda3cb56b36f))
+* add v5.2.0-beta1 package updates ([c493f79](https://github.com/NewtonMan/onesignal-java-api/commit/c493f79aa7df917ae8ddbfade7a12f029e03c5ea))
+* add v5.2.0-beta1 package updates ([cce80aa](https://github.com/NewtonMan/onesignal-java-api/commit/cce80aae2d9b3f8714aefc7f2abd07ecda40b473))
+* add v5.2.0-beta1 package updates ([bf1380d](https://github.com/NewtonMan/onesignal-java-api/commit/bf1380dd7a58a414ce33853008a693be5c7b5506))
+* add v5.2.0-beta1 package updates ([de99c8a](https://github.com/NewtonMan/onesignal-java-api/commit/de99c8aca51f22b546ad75c90714e25cd2a46993))
+* add v5.2.1-beta1 package updates ([c8fbe0a](https://github.com/NewtonMan/onesignal-java-api/commit/c8fbe0af39aed3fdff5c7b481e4a184c355cb103))
+* add v5.3.0-beta1 package updates ([670ae2c](https://github.com/NewtonMan/onesignal-java-api/commit/670ae2c24f5a6ca44e2a312dd146205a1adf9f31))
+* add v5.3.0-beta1 package updates ([697b2f8](https://github.com/NewtonMan/onesignal-java-api/commit/697b2f8e4742c30bed78db3a875767134708e65f))
+* add v5.3.0-beta1 package updates ([90f6f83](https://github.com/NewtonMan/onesignal-java-api/commit/90f6f830558a2ee76eacfce47337450ea27d3cc1))
+* add v5.3.0-beta1 package updates ([a6d6c75](https://github.com/NewtonMan/onesignal-java-api/commit/a6d6c7554ede42144b53e5f160bf97d28567617b))
+* add v5.3.0-beta1 package updates ([1dceaaf](https://github.com/NewtonMan/onesignal-java-api/commit/1dceaaf039848e8f69cc00c2fa96fb80d6d23f02))
+* add v5.3.0-beta1 package updates ([a8d3d46](https://github.com/NewtonMan/onesignal-java-api/commit/a8d3d46445e2735efb77e447493ee168ab2a00b8))
+* add v5.3.0-beta1 package updates ([abdb323](https://github.com/NewtonMan/onesignal-java-api/commit/abdb323a8343947cec6f40772f8e0baa181848aa))
diff --git a/README.md b/README.md
index 0d6f73c..ee81d8b 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ The onesignal-java-client is available on Maven Central. Add the following depen
 
 #### Maven users
 
-Add this dependency to your project's POM:
+After you build and install to your local Maven repo ou deploy to the project repository, add this dependency to your project's POM:
 
 ```xml
 <dependency>
@@ -86,11 +86,14 @@ Please follow the [installation](#installation) instruction and execute the foll
 ```java
 
 // Import classes:
+import java.util.Arrays;
 import com.onesignal.client.ApiClient;
 import com.onesignal.client.ApiException;
 import com.onesignal.client.Configuration;
 import com.onesignal.client.auth.*;
-import com.onesignal.client.models.*;
+import com.onesignal.client.model.CreateNotificationSuccessResponse;
+import com.onesignal.client.model.Notification;
+import com.onesignal.client.model.StringMap;
 import com.onesignal.client.api.DefaultApi;
 
 public class Example {
@@ -111,7 +114,7 @@ public class Example {
     return notification;
   }
 
-  public static void main(String[] args) {
+  public static void main(String[] args) throws ApiException {
     // Setting up the client
     ApiClient defaultClient = Configuration.getDefaultApiClient();
     HttpBearerAuth restApiAuth = (HttpBearerAuth) defaultClient.getAuthentication("rest_api_key");
@@ -127,7 +130,7 @@ public class Example {
     CreateNotificationSuccessResponse response = api.createNotification(notification);
 
     // Checking the result
-    System.out.print(response.getId();
+    System.out.print(response.getId());
   }
 }