diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa4d35e..8406e63 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1 +1,8 @@
-# Change Log
\ No newline at end of file
+# Change Log
+
+## 8.0.0
+
+* Add `token` param to `getFilePreview` and `getFileView` for File tokens usage
+* Update default `quality` for `getFilePreview` from 0 to -1
+* Remove `Gif` from ImageFormat enum
+* Remove `search` param from `listExecutions` method
\ No newline at end of file
diff --git a/README.md b/README.md
index f00352f..6bfc46c 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ repositories {
 Next, add the dependency to your project's `build.gradle(.kts)` file:
 
 ```groovy
-implementation("io.appwrite:sdk-for-android:8.0.0")
+implementation("io.appwrite:sdk-for-android:8.1.0")
 ```
 
 ### Maven
@@ -49,7 +49,7 @@ Add this to your project's `pom.xml` file:
     <dependency>
         <groupId>io.appwrite</groupId>
         <artifactId>sdk-for-android</artifactId>
-        <version>8.0.0</version>
+        <version>8.1.0</version>
     </dependency>
 </dependencies>
 ```
diff --git a/docs/examples/java/databases/upsert-document.md b/docs/examples/java/databases/upsert-document.md
new file mode 100644
index 0000000..868576b
--- /dev/null
+++ b/docs/examples/java/databases/upsert-document.md
@@ -0,0 +1,26 @@
+import io.appwrite.Client;
+import io.appwrite.coroutines.CoroutineCallback;
+import io.appwrite.services.Databases;
+
+Client client = new Client(context)
+    .setEndpoint("https://<REGION>.cloud.appwrite.io/v1") // Your API Endpoint
+    .setProject("<YOUR_PROJECT_ID>"); // Your project ID
+
+Databases databases = new Databases(client);
+
+databases.upsertDocument(
+    "<DATABASE_ID>", // databaseId 
+    "<COLLECTION_ID>", // collectionId 
+    "<DOCUMENT_ID>", // documentId 
+    mapOf( "a" to "b" ), // data 
+    listOf("read("any")"), // permissions (optional)
+    new CoroutineCallback<>((result, error) -> {
+        if (error != null) {
+            error.printStackTrace();
+            return;
+        }
+
+        Log.d("Appwrite", result.toString());
+    })
+);
+
diff --git a/docs/examples/kotlin/databases/upsert-document.md b/docs/examples/kotlin/databases/upsert-document.md
new file mode 100644
index 0000000..a31dfc8
--- /dev/null
+++ b/docs/examples/kotlin/databases/upsert-document.md
@@ -0,0 +1,17 @@
+import io.appwrite.Client
+import io.appwrite.coroutines.CoroutineCallback
+import io.appwrite.services.Databases
+
+val client = Client(context)
+    .setEndpoint("https://<REGION>.cloud.appwrite.io/v1") // Your API Endpoint
+    .setProject("<YOUR_PROJECT_ID>") // Your project ID
+
+val databases = Databases(client)
+
+val result = databases.upsertDocument(
+    databaseId = "<DATABASE_ID>", 
+    collectionId = "<COLLECTION_ID>", 
+    documentId = "<DOCUMENT_ID>", 
+    data = mapOf( "a" to "b" ), 
+    permissions = listOf("read("any")"), // (optional)
+)
\ No newline at end of file
diff --git a/library/src/main/java/io/appwrite/Client.kt b/library/src/main/java/io/appwrite/Client.kt
index 7905e40..5f12d7f 100644
--- a/library/src/main/java/io/appwrite/Client.kt
+++ b/library/src/main/java/io/appwrite/Client.kt
@@ -87,7 +87,7 @@ class Client @JvmOverloads constructor(
             "x-sdk-name" to "Android",
             "x-sdk-platform" to "client",
             "x-sdk-language" to "android",
-            "x-sdk-version" to "8.0.0",
+            "x-sdk-version" to "8.1.0",
             "x-appwrite-response-format" to "1.7.0"
         )
         config = mutableMapOf()
@@ -153,6 +153,21 @@ class Client @JvmOverloads constructor(
         return this
     }
 
+    /**
+     * Set DevKey
+     *
+     * Your secret dev API key
+     *
+     * @param {string} devkey
+     *
+     * @return this
+     */
+    fun setDevKey(value: String): Client {
+        config["devKey"] = value
+        addHeader("x-appwrite-dev-key", value)
+        return this
+    }
+
     /**
      * Set self Signed
      *
diff --git a/library/src/main/java/io/appwrite/services/Databases.kt b/library/src/main/java/io/appwrite/services/Databases.kt
index b6559a9..2601af2 100644
--- a/library/src/main/java/io/appwrite/services/Databases.kt
+++ b/library/src/main/java/io/appwrite/services/Databases.kt
@@ -211,6 +211,78 @@ class Databases(client: Client) : Service(client) {
         nestedType = classOf(),
     )
 
+    /**
+     * Create or update a Document. Before using this route, you should create a new collection resource using either a [server integration](https://appwrite.io/docs/server/databases#databasesCreateCollection) API or directly from your database console.
+     *
+     * @param databaseId Database ID.
+     * @param collectionId Collection ID.
+     * @param documentId Document ID.
+     * @param data Document data as JSON object. Include all required attributes of the document to be created or updated.
+     * @param permissions An array of permissions strings. By default, the current permissions are inherited. [Learn more about permissions](https://appwrite.io/docs/permissions).
+     * @return [io.appwrite.models.Document<T>]
+     */
+    @JvmOverloads
+    suspend fun <T> upsertDocument(
+        databaseId: String,
+        collectionId: String,
+        documentId: String,
+        data: Any,
+        permissions: List<String>? = null,
+        nestedType: Class<T>,
+    ): io.appwrite.models.Document<T> {
+        val apiPath = "/databases/{databaseId}/collections/{collectionId}/documents/{documentId}"
+            .replace("{databaseId}", databaseId)
+            .replace("{collectionId}", collectionId)
+            .replace("{documentId}", documentId)
+
+        val apiParams = mutableMapOf<String, Any?>(
+            "data" to data,
+            "permissions" to permissions,
+        )
+        val apiHeaders = mutableMapOf<String, String>(
+            "content-type" to "application/json",
+        )
+        val converter: (Any) -> io.appwrite.models.Document<T> = {
+            @Suppress("UNCHECKED_CAST")
+            io.appwrite.models.Document.from(map = it as Map<String, Any>, nestedType)
+        }
+        return client.call(
+            "PUT",
+            apiPath,
+            apiHeaders,
+            apiParams,
+            responseType = classOf(),
+            converter,
+        )
+    }
+
+    /**
+     * Create or update a Document. Before using this route, you should create a new collection resource using either a [server integration](https://appwrite.io/docs/server/databases#databasesCreateCollection) API or directly from your database console.
+     *
+     * @param databaseId Database ID.
+     * @param collectionId Collection ID.
+     * @param documentId Document ID.
+     * @param data Document data as JSON object. Include all required attributes of the document to be created or updated.
+     * @param permissions An array of permissions strings. By default, the current permissions are inherited. [Learn more about permissions](https://appwrite.io/docs/permissions).
+     * @return [io.appwrite.models.Document<T>]
+     */
+    @JvmOverloads
+    @Throws(AppwriteException::class)
+    suspend fun upsertDocument(
+        databaseId: String,
+        collectionId: String,
+        documentId: String,
+        data: Any,
+        permissions: List<String>? = null,
+    ): io.appwrite.models.Document<Map<String, Any>> = upsertDocument(
+        databaseId,
+        collectionId,
+        documentId,
+        data,
+        permissions,
+        nestedType = classOf(),
+    )
+
     /**
      * Update a document by its unique ID. Using the patch method you can pass only specific fields that will get updated.
      *