release: 3.18.0

Author: stainless-app[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "3.16.0"
+  ".": "3.18.0"
 }

CHANGELOG.md

@@ -1,5 +1,26 @@
 # Changelog
 
+## 3.18.0 (2026-03-24)
+
+Full Changelog: [v3.16.0...v3.18.0](https://github.com/browserbase/stagehand-php/compare/v3.16.0...v3.18.0)
+
+### Features
+
+* [fix]: add `useSearch` & `toolTimeout` to stainless types ([b192d02](https://github.com/browserbase/stagehand-php/commit/b192d027f259557655a980b8b013033726c70038))
+* [STG-1607] Yield finished SSE event instead of silently dropping it ([bcbd0d1](https://github.com/browserbase/stagehand-php/commit/bcbd0d1b1a07c26b372e01dee544ef0b4d2bb50d))
+* Add explicit SSE event names for local v3 streaming ([a9777b9](https://github.com/browserbase/stagehand-php/commit/a9777b9389adbaf2c2f9dfdc34ce41f3004b9085))
+* Add missing cdpHeaders field to v3 server openapi spec ([07f2358](https://github.com/browserbase/stagehand-php/commit/07f23586505243db4dc86414a3d5c381b26fd22d))
+* Include LLM headers in ModelConfig ([879642a](https://github.com/browserbase/stagehand-php/commit/879642a0677170a48904a52f339c0403f2b16203))
+* Revert broken finished SSE yield config ([7910a59](https://github.com/browserbase/stagehand-php/commit/7910a59b8374edd635c968ecd57548b1c6826f20))
+* variables for observe ([9187d2e](https://github.com/browserbase/stagehand-php/commit/9187d2ec460a547a9463a395175482cd1bd72c18))
+
+
+### Chores
+
+* **internal:** codegen related update ([20b3106](https://github.com/browserbase/stagehand-php/commit/20b3106f3919092115a690e43bb4641dccd91aad))
+* **internal:** tweak CI branches ([5c0e28e](https://github.com/browserbase/stagehand-php/commit/5c0e28e04a565c53dbd42f01fd920ba65ffea9e6))
+* **internal:** upgrade phpunit ([b09b7ff](https://github.com/browserbase/stagehand-php/commit/b09b7ffb3644b16039aa400ed430deeb993e18ce))
+
 ## 3.16.0 (2026-02-25)
 
 Full Changelog: [v3.15.0...v3.16.0](https://github.com/browserbase/stagehand-php/compare/v3.15.0...v3.16.0)

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 3.16.0"
+composer require "browserbase/stagehand 3.18.0"
 ```
 
 <!-- x-release-please-end -->

src/Version.php

@@ -5,5 +5,5 @@
 namespace Stagehand;
 
 // x-release-please-start-version
-const VERSION = '3.16.0';
+const VERSION = '3.18.0';
 // x-release-please-end