The security review concluded last week. The change to enable this by
default has landed, and will be available starting in M130:
https://chromium.googlesource.com/chromium/src.git/+/1f5f2853635ab7a43d3507f02e1de903d2703019

Thank you!


On Thu, Aug 15, 2024 at 12:26 PM Thomas Guilbert <tguilb...@google.com>
wrote:

> Thank you all! I will wait on the security review to finish, and will turn
> on the feature by default on M130.
>
> > Do you know if there's any effort to merge this monkey patch into the
> base specification?
> There was none that I knew of, so I opened an issue
> <https://github.com/w3c/webrtc-pc/issues/2986> to start a discussion.
> Thanks for the suggestion!
>
> On Thu, Aug 15, 2024 at 11:55 AM Vladimir Levin <vmp...@chromium.org>
> wrote:
>
>> LGTM3
>>
>> On Thu, Aug 15, 2024 at 12:11 AM Domenic Denicola <dome...@chromium.org>
>> wrote:
>>
>>> LGTM2.
>>>
>>> On Fri, Aug 9, 2024 at 8:22 AM Thomas Guilbert <tguilb...@chromium.org>
>>> wrote:
>>>
>>>> Contact emailstguilb...@chromium.org
>>>>
>>>> ExplainerNone
>>>>
>>>> Specification
>>>> https://w3c.github.io/webrtc-extensions/#rtcdatachannel-transferable
>>>>
>>>
>>> This is a fine specification for shipping the feature. But it's a bit
>>> sad that it's a monkey patch specification
>>> <https://annevankesteren.nl/2014/02/monkey-patch> for a feature that it
>>> sounds like everyone agrees on.
>>>
>>> The Web RTC Extensions specification says "As extensions mature and gain
>>> implementation experience, they may move from this document to the base
>>> specification if WG consensus emerges to do so." Do you know if there's any
>>> effort to merge this monkey patch into the base specification?
>>>
>>>
>>>>
>>>>
>>>> Summary
>>>>
>>>> The RTCDataChannel interface is part of the WebRTC standard, and
>>>> represents a network channel which can be used for bidirectional
>>>> peer-to-peer transfers of arbitrary data. This feature tracks exposing
>>>> RTCDataChannel in dedicated workers, and allowing the transfer of
>>>> RTCDataChannels to them workers. This will help reduce main thread
>>>> contention and lead to smoother and more reliable WebRTC applications.
>>>>
>>>>
>>>> Blink componentBlink>WebRTC>DataChannel
>>>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EWebRTC%3EDataChannel>
>>>>
>>>> TAG reviewNone
>>>>
>>>> TAG review statusNot applicable
>>>>
>>>> Risks
>>>>
>>>>
>>>> Interoperability and Compatibility
>>>>
>>>> There is an interoperability risk when it comes to which types of
>>>> workers are supported by which browser. - Safari/WebKit supports transfers
>>>> to DedicatedWorkers and to ServiceWorkers. - Chromium is only looking to
>>>> add transfers to DedicatedWorkers; supporting transfers to ServiceWorkers
>>>> would require significant architectural changes (across processes, rather
>>>> than across threads) and might never be supported. - Firefox/Gecko supports
>>>> neither, but might support transfers to both DedicatedWorkers and
>>>> ServiceWorkers, if/when they choose to support this feature. Regardless of
>>>> whether or not Chromium supports transfers to ServiceWorkers, enabling
>>>> transfers to DedicatedWorkers addresses current developer needs, and
>>>> improves interoperability.
>>>>
>>>>
>>>> *Gecko*: No signal (
>>>> https://bugzilla.mozilla.org/show_bug.cgi?id=1209163) Mozilla is aware
>>>> of the issue, but has not allocated resources to it as of yet.
>>>>
>>>> *WebKit*: Shipped/Shipping (
>>>> https://bugs.webkit.org/show_bug.cgi?id=222965)
>>>>
>>>> *Web developers*: Positive This has been a longstanding request from
>>>> developers. E.g:
>>>> https://bugzilla.mozilla.org/show_bug.cgi?id=1209163#c4
>>>> https://issues.chromium.org/issues/40787712#comment21
>>>>
>>>> *Other signals*:
>>>>
>>>> Ergonomics
>>>>
>>>> This feature improves the ergonomics of existing Worker exposed APIs.
>>>> For example, it allows developers to use WebCodecs and Offscreen canvas
>>>> from workers, without having to repeatedly transfer data from the main
>>>> thread.
>>>>
>>>>
>>>> Activation
>>>>
>>>> N/A
>>>>
>>>>
>>>> Security
>>>>
>>>> This feature should not introduce any new security risks. Existing
>>>> risks can be found in the WebRTC API specification:
>>>> https://w3c.github.io/webrtc-pc/#privacy-and-security-considerations
>>>>
>>>>
>>>> WebView application risks
>>>>
>>>> Does this intent deprecate or change behavior of existing APIs, such
>>>> that it has potentially high risk for Android WebView-based applications?
>>>>
>>>> None
>>>>
>>>>
>>>> Debuggability
>>>>
>>>> N/A
>>>>
>>>>
>>>> Will this feature be supported on all six Blink platforms (Windows,
>>>> Mac, Linux, ChromeOS, Android, and Android WebView)?Yes
>>>>
>>>> Is this feature fully tested by web-platform-tests
>>>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
>>>> ?Yes
>>>>
>>>> DedicatedWorkers:
>>>> https://wpt.fyi/results/webrtc-extensions/transfer-datachannel.html?label=experimental&label=master&aligned
>>>> ServiceWorkers (out of scope for this feature):
>>>> https://wpt.fyi/results/webrtc-extensions/transfer-datachannel-service-worker.https.html?label=experimental&label=master&aligned
>>>>
>>>>
>>>> Flag name on chrome://flagsNone
>>>>
>>>> Finch feature nameTransferableRTCDataChannel
>>>>
>>>> Requires code in //chrome?False
>>>>
>>>> Sample links
>>>> https://tguilbert-google.github.io/RTCDataChannel/index.html
>>>>
>>>> Estimated milestones
>>>> Shipping on desktop 130
>>>> DevTrial on desktop 129
>>>> Shipping on Android 130
>>>> DevTrial on Android 129
>>>>
>>>> Anticipated spec changes
>>>>
>>>> Open questions about a feature may be a source of future web compat or
>>>> interop issues. Please list open issues (e.g. links to known github issues
>>>> in the project for the feature specification) whose resolution may
>>>> introduce web compat/interop risk (e.g., changing to naming or structure of
>>>> the API in a non-backward-compatible way).
>>>> None
>>>>
>>>> Link to entry on the Chrome Platform Status
>>>> https://chromestatus.com/feature/6612726584180736?gate=4885503741263872
>>>>
>>>> Links to previous Intent discussionsIntent to Prototype:
>>>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/dab53bcd-e51d-41bc-a312-4bd3e08322f0n%40chromium.org
>>>>
>>>>
>>>> This intent message was generated by Chrome Platform Status
>>>> <https://chromestatus.com/>.
>>>>
>>>> --
>>>> You received this message because you are subscribed to the Google
>>>> Groups "blink-dev" group.
>>>> To unsubscribe from this group and stop receiving emails from it, send
>>>> an email to blink-dev+unsubscr...@chromium.org.
>>>> To view this discussion on the web visit
>>>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CABrVPoba%2B6EuYDdfxKF8ZXn%3DXmzt6vd1tZ53yTS9-CEdUBXTzw%40mail.gmail.com
>>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CABrVPoba%2B6EuYDdfxKF8ZXn%3DXmzt6vd1tZ53yTS9-CEdUBXTzw%40mail.gmail.com?utm_medium=email&utm_source=footer>
>>>> .
>>>>
>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "blink-dev" group.
>>> To unsubscribe from this group and stop receiving emails from it, send
>>> an email to blink-dev+unsubscr...@chromium.org.
>>> To view this discussion on the web visit
>>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAM0wra_MUXCsrpODkCarYj%3DY7%2BDipq0mX_dcY44auGzV-QZ7Qw%40mail.gmail.com
>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAM0wra_MUXCsrpODkCarYj%3DY7%2BDipq0mX_dcY44auGzV-QZ7Qw%40mail.gmail.com?utm_medium=email&utm_source=footer>
>>> .
>>>
>>

-- 
You received this message because you are subscribed to the Google Groups 
"blink-dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to blink-dev+unsubscr...@chromium.org.
To view this discussion on the web visit 
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CABrVPoYdL8OXCuAeL3EfaSYCnOmTW-yK0ZTQKgAqFF1wLhB8Qw%40mail.gmail.com.

Reply via email to