release: 3.20.0

Author: stainless-app[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "3.19.5"
+  ".": "3.20.0"
 }

CHANGELOG.md

@@ -1,5 +1,33 @@
 # Changelog
 
+## 3.20.0 (2026-04-30)
+
+Full Changelog: [v3.19.5...v3.20.0](https://github.com/browserbase/stagehand-python/compare/v3.19.5...v3.20.0)
+
+### Features
+
+* [STG-1798] feat: support Browserbase verified sessions ([078ab5c](https://github.com/browserbase/stagehand-python/commit/078ab5c76f13beee16e44d7eed5e3018f1cc5bd8))
+* Bedrock auth passthrough ([9463fa4](https://github.com/browserbase/stagehand-python/commit/9463fa49cb839abbb2c6a1adb0d053e5006216a7))
+* Revert "[STG-1573] Add providerOptions for extensible model auth ([#1822](https://github.com/browserbase/stagehand-python/issues/1822))" ([3c04086](https://github.com/browserbase/stagehand-python/commit/3c0408675154c9f7d241c4e92e9cb82f0419d6b3))
+* support setting headers via env ([b1c6127](https://github.com/browserbase/stagehand-python/commit/b1c61276ff9cecf89c078e1d97a6b927d8d308e1))
+
+
+### Bug Fixes
+
+* **client:** preserve hardcoded query params when merging with user params ([feac39d](https://github.com/browserbase/stagehand-python/commit/feac39d88a841ff710d672b622f3280037589f66))
+* ensure file data are only sent as 1 parameter ([b870657](https://github.com/browserbase/stagehand-python/commit/b8706575ab0f95b9e6781ee3685f9b79e0fe6036))
+* use correct field name format for multipart file arrays ([852600a](https://github.com/browserbase/stagehand-python/commit/852600a4c6169df6497fc4d77a06abae8812e375))
+
+
+### Performance Improvements
+
+* **client:** optimize file structure copying in multipart requests ([69d396f](https://github.com/browserbase/stagehand-python/commit/69d396fa404d0ad3905786dcf6f56be8be7ab9b2))
+
+
+### Chores
+
+* **internal:** more robust bootstrap script ([9bc61e1](https://github.com/browserbase/stagehand-python/commit/9bc61e12f1599b14dd8b2a0c38a50c089512e9c7))
+
 ## 3.19.5 (2026-04-03)
 
 Full Changelog: [v3.19.4...v3.19.5](https://github.com/browserbase/stagehand-python/compare/v3.19.4...v3.19.5)

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "stagehand"
-version = "3.19.5"
+version = "3.20.0"
 description = "The official Python library for the stagehand API"
 dynamic = ["readme"]
 license = "MIT"

src/stagehand/_version.py

@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "stagehand"
-__version__ = "3.19.5"  # x-release-please-version
+__version__ = "3.20.0"  # x-release-please-version