On Wednesday, May 25, 2022 at 2:41:36 PM UTC+2 Elad Alon wrote:

> Contact [email protected]
>
> Explainer
> https://docs.google.com/document/d/1M63lyDHV-v6LPFzHjfsjBDMfyn075pySa3xfIRSB9zU/edit?usp=sharing
>
> Specification
> https://github.com/w3c/mediacapture-screen-share/pull/216/files
>
> Summary
>
> Hint allowing Web applications to instruct the browser whether, upon 
> calling getDisplayMedia(), the current tab should be excluded from the list 
> of tabs offered to the user.
>
>
> Blink componentBlink 
> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink>
>
> TAG reviewN/A. This is just an addition of a single flag to an existing 
> dictionary, following well-known patterns.
>
> TAG review statusNot applicable
>
> Risks
>
>
> Interoperability and Compatibility
>
> *Gecko*: Positive (
> https://github.com/mozilla/standards-positions/issues/639) Jan-Ivar 
> Bruaroey from Mozilla, and Youenn Fablet from Apple, have both collaborated 
> with us closely in shaping this PR. They have then approved merging this PR 
> into w3c/mediacapture-screen-share. This is implicit support, so I'd 
> consider it POSITIVE even though, as of the time of this writing, the 
> official request for position has not yet been answered.
>
> *WebKit*: Positive (
> https://lists.webkit.org/pipermail/webkit-dev/2022-May/032249.html) 
> Jan-Ivar Bruaroey from Mozilla, and Youenn Fablet from Apple, have both 
> collaborated with us closely in shaping this PR. They have then approved 
> merging this PR into w3c/mediacapture-screen-share. This is implicit 
> support, so I'd consider it POSITIVE even though, as of the time of this 
> writing, the official request for position has not yet been answered.
>

Similar to other intents, this doesn't count as an official positive 
signal. Let's wait a few days to see if one emerges.
 

>
> *Web developers*: Positive Interest expressed by Google Meet.
>

Any external signals from developers? https://goo.gle/developer-signals
 

>
> Security
>
> The current tab is the surface most under an attacker’s control. Nudging 
> the user away from this risky surface is a good thing. Of course, malicious 
> applications can avoid using this new control, or use it to retain the old 
> behavior (current tab still offered). This is not a problem - it simply 
> means that this new surface offers no degradation in security, although not 
> a security feature in its own right.
>
>
> WebView application risks
>
> N/A
>
>
> Debuggability
>
> N/A
>
>
> Will this feature be supported on all six Blink platforms (Windows, Mac, 
> Linux, Chrome OS, Android, and Android WebView)?No
>
> Supported on all platforms that support getDisplayMedia. Namely, all 
> desktop platforms.
>
>
> Is this feature fully tested by web-platform-tests 
> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
> ?No
>
> Estimated milestones
>
> No milestones specified
>
>
> Link to entry on the Chrome Platform Status
> https://chromestatus.com/feature/5118675366445056
>
> Links to previous Intent discussionsIntent to prototype: 
> https://groups.google.com/a/chromium.org/g/blink-dev/c/COid122-_AE
>
> This intent message was generated by Chrome Platform Status 
> <https://chromestatus.com/>.
>

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