release: 3.19.2

[stainless-app]

Automated Release PR

3.19.2 (2026-04-03)

Full Changelog: v3.19.1...v3.19.2

---

This pull request is managed by Stainless's GitHub App.

The semver version number is based on included commit messages. Alternatively, you can manually set the version number in the title of this pull request.

For a better experience, it is recommended to use either rebase-merge or squash-merge when merging this pull request.

🔗 Stainless website
📚 Read the docs
🙋 Reach out for help or questions

[stainless-app]

🧪 Testing

To try out this version of the SDK:

pip install 'https://pkg.stainless.com/s/stagehand-python/380f5e090ccff31c375a25575362505257f040fb/stagehand-3.19.1-py3-none-any.whl'

Expires at: Sat, 02 May 2026 00:18:23 GMT
Updated at: Thu, 02 Apr 2026 00:18:23 GMT

[cubic-dev-ai]

No issues found across 4 files

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

Architecture diagram

sequenceDiagram
    participant App as User Application
    participant SDK as Stagehand SDK
    participant Metadata as _version.py
    participant API as Stagehand API

    Note over App, API: Runtime Request Flow with Version Metadata

    App->>SDK: Initialize Client
    SDK->>Metadata: Read __version__ (3.19.2)
    Metadata-->>SDK: Return version string

    App->>SDK: Call API method (e.g., stagehand.act())
    
    Note right of SDK: SDK injects version into headers<br/>User-Agent: stagehand-python/3.19.2
    
    SDK->>API: HTTPS Request (Auth + Version Headers)
    
    alt Successful Request
        API-->>SDK: 200 OK (JSON Data)
        SDK-->>App: Return Parsed Response
    else Authentication/Validation Error
        API-->>SDK: 4xx Error Response
        SDK-->>App: Raise SDK Error
    end

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[stainless-app]

🤖 Release is at https://github.com/browserbase/stagehand-python/releases/tag/v3.19.2 🌻