# stagehand-python@4.4.0a0.dev1675: fix : preserve cross origin iframes after act() ( 3388)

Category: open-source
Published: 2026-11-04T05:09:20Z
Source: [Browserbase Stagehand releases](https://github.com/browserbase/stagehand/releases/tag/stagehand-python%404.4.0a0.dev1675)
Agent usefulness: 72/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-11-04T06:17:56.767Z
Tags: browserbase, browser-agent, automation

## Human Summary
Browserbase Stagehand releases published stagehand-python@4.4.0a0.dev1675: fix : preserve cross origin iframes after act() ( 3388). why calling act() could prevent Stagehand from seeing and interacting with newly loaded cross-origin iframes because its network-settling helper overwrote the browser’s auto-attach configuration what changed removed the…

## Agent Summary
Treat stagehand-python@4.4.0a0.dev1675: fix : preserve cross origin iframes after act() ( 3388) 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@4.4.0a0.dev1675: fix : preserve cross origin iframes after act() ( 3388). 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: why calling act() could prevent Stagehand from seeing and interacting with newly loaded cross-origin iframes because its network-settling helper overwrote the browser’s auto-attach configuration what changed removed the conflicting auto-attach call, leaving attachment management to BrowserContext. added a regression test verifying that cross-origin iframes created after act() remain visible in snapshots and support subsequent actions. Summary by cubic Fixes an issue where calling act() could prevent Stagehand from seeing and interacting with newly loaded cross-origin iframes. The network-settling helper in actHandlerUtils.ts was overwriting the browser's auto-attach configuration, which broke attachment management owned by BrowserContext. Removed the conflicting Target.setAutoAttach call; BrowserContext now handles child-target attachment. Added a regression test verifying cross-origin…

## 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.

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