updated feature: Controlled Frame API (available only to IWAs)

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Chromestatus

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Feb 27, 2025, 4:21:30 PMFeb 27
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Chrome Platform Status
 Updated feature entry:
Controlled Frame API (available only to IWAs)
Updates made by c...@chromium.org:
  • activation_risks:
    Old:
    New: Developers must build an IWA first targeting ChromeOS. The IWA they build must then be deployed in the only available method currently using managed distribution (via policy). These hurdles present significant activation risk. Once the IWA is built, using the Controlled Frame element may require some direct engagement since the methods used to interact with embedded content are complicated. We recommend additional documentation and outreach directly with development partners.

  • api_spec:
    Old: False
    New: True

  • devtrial_instructions:
    Old: None
    New: https://github.com/WICG/controlled-frame/tree/main/test_app

  • interop_compat_risks:
    Old:
    New: This is a new API available only within IWAs. As a new API, it might be subject to the main risk that other browsers may not implement it. However, other browsers must also implement IWAs, and for now we are advancing this to assist our dev partners that are currently using Chrome Apps. The API allows embedding third-party (non-IWA) content. The content will be loaded using the IWA's storage partition so content won't have access to the same site's content as if it was loaded in a tab.

  • privacy_review_status:
    Old: Pending
    New: Issues addressed

  • sample_links:
    Old: []
    New: https://github.com/WICG/controlled-frame/tree/main/test_app

  • security_review_status:
    Old: Pending
    New: Issues addressed

  • wpt_descr:
    Old: Not yet, we plan to add IWA-specific web platform tests as part of our work.
    New: WPT does not support PWA/IWA test environments. Once that support is available, we can investigate adding IWA-focused WPT tests. Until then, we have built a pseudo-WPT test environment so we can write WPT-like tests that work in an IWA context. These are available for review in the Chromium code repository: //chrome/test/data/controlled_frame: https://source.chromium.org/chromium/chromium/src/+/main:chrome/test/data/controlled_frame/ //chrome/browser/controlled_frame/controlled_frame_wpt_browsertest.cc: https://source.chromium.org/chromium/chromium/src/+/main:chrome/browser/controlled_frame/controlled_frame_wpt_browsertest.cc?q=add_content_scripts&ss=chromium%2Fchromium%2Fsrc

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Feb 28, 2025, 4:53:57 PMFeb 28
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Updates made by ajayra...@google.com:
  • shipped_milestone:
    Old: None
    New: 135

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Chromestatus

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Feb 28, 2025, 6:04:17 PMFeb 28
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Updates made by rmce...@chromium.org:
  • summary:
    Old: Adds a Controlled Frame API available only to Isolated Web Apps (IWAs). This work will add a new Controlled Frame API which is only available to Isolated Web Apps (IWAs). Like similarly-named APIs on other platforms, Controlled Frame allows embedding all content, even third party content that can't be embedded in <iframe>. Controlled Frame also allows controlling embedded content with a collection of API methods and events. For more info on Isolated Web Apps, see the IWA explainer: https://github.com/WICG/isolated-web-apps/blob/main/README.md
    New: Adds a Controlled Frame API available only to Isolated Web Apps (IWAs). This work adds a new Controlled Frame API which is only available to Isolated Web Apps (IWAs). Like similarly-named APIs on other platforms, Controlled Frame allows embedding all content, even third party content that can't be embedded in <iframe>. Controlled Frame also allows controlling embedded content with a collection of API methods and events. For more info on Isolated Web Apps, see the IWA explainer: https://github.com/WICG/isolated-web-apps/blob/main/README.md

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Feb 28, 2025, 6:46:58 PMFeb 28
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Mar 2, 2025, 6:21:20 PMMar 2
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Mar 3, 2025, 3:55:47 AMMar 3
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Chromestatus

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Mar 4, 2025, 2:47:17 PMMar 4
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Updates made by ajayra...@google.com:
  • shipped_milestone:
    Old: 135
    New: 136

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Mar 4, 2025, 2:47:29 PMMar 4
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Updates made by ajayra...@google.com:
  • shipped_milestone:
    Old: 136
    New: 136

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Chromestatus

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Mar 6, 2025, 2:44:07 PMMar 6
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Updates made by c...@chromium.org:
  • activation_risks:
    Old: Developers must build an IWA first targeting ChromeOS. The IWA they build must then be deployed in the only available method currently using managed distribution (via policy). These hurdles present significant activation risk. Once the IWA is built, using the Controlled Frame element may require some direct engagement since the methods used to interact with embedded content are complicated. We recommend additional documentation and outreach directly with development partners.
    New: Developers must build an IWA to use the Controlled Frame API. The IWA they build must then be deployed, currently using managed distribution via enterprise policy. These hurdles present significant activation risk since each of these are new technologies and require interaction with multiple systems. Once the IWA is built, using the Controlled Frame element may require some direct engagement since the methods used to interact with embedded content are complicated. We recommend additional documentation and outreach directly with development partners.

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Chromestatus

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Mar 6, 2025, 7:48:24 PMMar 6
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Updates made by c...@chromium.org:
  • tag_review:
    Old:
    New: https://github.com/w3ctag/design-reviews/issues/1067

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Mar 10, 2025, 4:11:08 AMMar 10
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Mar 18, 2025, 8:50:04 PMMar 18
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Mar 18, 2025, 10:34:41 PMMar 18
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Mar 28, 2025, 7:57:25 PMMar 28
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Updates made by rmce...@chromium.org:
  • shipped_milestone:
    Old: 136
    New: 138

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