LGTM2. Thanks for clarifying.
On Wednesday, April 2, 2025 at 10:58:54 AM UTC-4 lbr...@google.com wrote: > > There's a bit of an overloaded terminology that confuses me: when you > refer to a cross-origin subframe, are we talking about a cross-origin > fenced frame or an iframe? My recollection is that in a fenced frame case, > one cannot use postMessage to communicate with its embedder. Having this > data sent, if that's the case, would seem to introduce a new information > sharing channel. If the subframe here refers to an iframe, then I agree > that there's no novel channel. > > I should've been more explicit when stating what that was referring to. > Cross-origin subframes are referring to iframes and not fenced frames in > this case. And yes, postMessage isn't allowed between fenced frames and > their embedder and continues to be disallowed after this change. > On Tuesday, April 1, 2025 at 10:03:26 PM UTC-4 vmp...@chromium.org wrote: > >> This does not change the privacy story nor does it introduce a privacy >> regression, as cross-origin subframes can currently postMessage() data to >> the root that the root frame can then use as automatic beacon data. Both >> the existing capability as well as the proposed changes involve the root >> fenced frame document and the cross-origin subframe document opting-in to >> this sharing. >> >> >> There's a bit of an overloaded terminology that confuses me: when you >> refer to a cross-origin subframe, are we talking about a cross-origin >> fenced frame or an iframe? My recollection is that in a fenced frame case, >> one cannot use postMessage to communicate with its embedder. Having this >> data sent, if that's the case, would seem to introduce a new information >> sharing channel. If the subframe here refers to an iframe, then I agree >> that there's no novel channel. >> >> > -- 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 visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/b91ef12f-56ca-46c8-83e1-8f5f42cf3251n%40chromium.org.