# stagehand-python@4.3.0a0.dev1620: docs : add extension cdp url example ( 3259)

Category: open-source
Published: 2026-10-19T19:46:56Z
Source: [Browserbase Stagehand releases](https://github.com/browserbase/stagehand/releases/tag/stagehand-python%404.3.0a0.dev1620)
Agent usefulness: 72/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-20T00:18:00.926Z
Tags: browserbase, browser-agent, automation

## Human Summary
Browserbase Stagehand releases published stagehand-python@4.3.0a0.dev1620: docs : add extension cdp url example ( 3259). what changed adds an extension cdp url example in browser configuration page Summary by cubic Documents the extensionCdpUrl browser option in the configuration page with TypeScript, Python, and Go examples, showing how to give the…

## Agent Summary
Treat stagehand-python@4.3.0a0.dev1620: docs : add extension cdp url example ( 3259) as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Browserbase Stagehand releases published stagehand-python@4.3.0a0.dev1620: docs : add extension cdp url example ( 3259). This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: what changed adds an extension cdp url example in browser configuration page Summary by cubic Documents the extensionCdpUrl browser option in the configuration page with TypeScript, Python, and Go examples, showing how to give the extension its own CDP WebSocket URL when the client connects through a proxy or gateway. The examples use a token-based gateway URL, and the docs also cover validation rules and the fallback behavior when the option is omitted. Written for commit 60b0380 . Summary will update on new commits.

## Recommended actions
- Review the official Browserbase Stagehand releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## Sponsors
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## Agent-readable Sponsor Surface
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