release: 3.21.0

Author: stainless-app[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "3.20.0"
+  ".": "3.21.0"
 }

CHANGELOG.md

@@ -1,5 +1,19 @@
 # Changelog
 
+## 3.21.0 (2026-05-20)
+
+Full Changelog: [v3.20.0...v3.21.0](https://github.com/browserbase/stagehand-php/compare/v3.20.0...v3.21.0)
+
+### Features
+
+* [feat]: add `ignoreSelectors` to `observe()` ([872590f](https://github.com/browserbase/stagehand-php/commit/872590fe228fd2f0ce70d7cbefdddbf3c22fe147))
+* STG-1756 add Vertex auth params to Stagehand spec ([786c9fd](https://github.com/browserbase/stagehand-php/commit/786c9fda24ea073f57bde1ec3cc6e332c7d50300))
+
+
+### Bug Fixes
+
+* guzzle requires special handling to enable streaming ([9d1c43a](https://github.com/browserbase/stagehand-php/commit/9d1c43a1435dc0ba0f66094ffaf4c3e6d463b17a))
+
 ## 3.20.0 (2026-05-06)
 
 Full Changelog: [v3.19.3...v3.20.0](https://github.com/browserbase/stagehand-php/compare/v3.19.3...v3.20.0)

README.md

@@ -80,7 +80,7 @@ The REST API documentation can be found on [docs.stagehand.dev](https://docs.sta
 <!-- x-release-please-start-version -->
 
 ```
-composer require "browserbase/stagehand 3.20.0"
+composer require "browserbase/stagehand 3.21.0"
 ```
 
 <!-- x-release-please-end -->

src/Version.php

@@ -5,5 +5,5 @@
 namespace Stagehand;
 
 // x-release-please-start-version
-const VERSION = '3.20.0';
+const VERSION = '3.21.0';
 // x-release-please-end