chore(main): release 2.2.0 (#1593)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "2.1.0"
+  ".": "2.2.0"
 }

CHANGELOG.md

@@ -2,6 +2,13 @@
 
 
 
+## [2.2.0](https://github.com/googleapis/js-genai/compare/v2.1.0...v2.2.0) (2026-05-12)
+
+
+### Features
+
+* Added missing FunctionCallResultDelta type and `arguments` field to the ArgumentDelta type ([f76138b](https://github.com/googleapis/js-genai/commit/f76138b5368fa3f6418e84214493fb874e748fea))
+
 ## [2.1.0](https://github.com/googleapis/js-genai/compare/v2.0.1...v2.1.0) (2026-05-12)
 
 

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@google/genai",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "",
   "type": "module",
   "main": "dist/node/index.mjs",

package.json

@@ -18,7 +18,7 @@ const CONTENT_TYPE_HEADER = 'Content-Type';
 const SERVER_TIMEOUT_HEADER = 'X-Server-Timeout';
 const USER_AGENT_HEADER = 'User-Agent';
 export const GOOGLE_API_CLIENT_HEADER = 'x-goog-api-client';
-export const SDK_VERSION = '2.1.0'; // x-release-please-version
+export const SDK_VERSION = '2.2.0'; // x-release-please-version
 const LIBRARY_LABEL = `google-genai-sdk/${SDK_VERSION}`;
 const VERTEX_AI_API_DEFAULT_VERSION = 'v1beta1';
 const GOOGLE_AI_API_DEFAULT_VERSION = 'v1beta';