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 (2026-05-12)
+
+Full Changelog: [v3.20.0...v3.21.0](https://github.com/browserbase/stagehand-python/compare/v3.20.0...v3.21.0)
+
+### Features
+
+* [feat]: add `ignoreSelectors` to `observe()` ([77be2c2](https://github.com/browserbase/stagehand-python/commit/77be2c2463c7b1d0ce6768eecf130adc3ef91149))
+* **internal/types:** support eagerly validating pydantic iterators ([95a4cc8](https://github.com/browserbase/stagehand-python/commit/95a4cc8cd9228e21ea7eefa7138e498bf628e376))
+
+
+### Bug Fixes
+
+* **client:** add missing f-string prefix in file type error message ([fb40f50](https://github.com/browserbase/stagehand-python/commit/fb40f50c2fb3337be84a3f973b8a27a8f53fbfae))
+
 ## 3.20.0 (2026-05-06)
 
 Full Changelog: [v3.19.5...v3.20.0](https://github.com/browserbase/stagehand-python/compare/v3.19.5...v3.20.0)

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "stagehand"
-version = "3.20.0"
+version = "3.21.0"
 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__ = "3.20.0"  # x-release-please-version
+__version__ = "3.21.0"  # x-release-please-version