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Re: [blink-dev] Intent to Ship: Responsively-sized </span></a></span> </h1> <p class="darkgray font13"> <span class="sender pipe"><a href="/search?l=blink-dev@chromium.org&q=from:%22Koji+Ishii%22" rel="nofollow"><span itemprop="author" itemscope itemtype="http://schema.org/Person"><span itemprop="name">Koji Ishii</span></span></a></span> <span class="date"><a href="/search?l=blink-dev@chromium.org&q=date:20260525" rel="nofollow">Mon, 25 May 2026 01:52:14 -0700</a></span> </p> </div> <div itemprop="articleBody" class="msgBody">  <pre>2026年5月20日(水) 23:07 Vladimir Levin <vmp...@chromium.org>: > From the explainer, the defense against malicious sites embedding an > opted-in frame is mitigated by `X-Frame-Options`, but I suspect it's > `Content-Security-Policy: frame-ancestors` that's needed here for > cross-origin allowed embeds. Is that right? ></pre><pre> I think you're right, I'll update the explainer. Thanks for catching. Also the explainer mentions that possibly there's ideas to change the meta > tag itself: > > Additional restrictions could be put in place through contents of the > <meta> tag that would restrict to only explicitly allowed origins. > > Out of curiosity, is this being pursued in future work or is CSP deemed > enough? > I expect to extend this feature further after the initial ship, as I see even more interest from web authors than I expected. How it would be done is still not determined yet. -- 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 <a rel="nofollow" href="https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAHe_1d%2BKK2RXAKLSh%3D2gkXLw%3DrzLrUeEC3qn0qE-j0VrTSYhAg%40mail.gmail.com">https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAHe_1d%2BKK2RXAKLSh%3D2gkXLw%3DrzLrUeEC3qn0qE-j0VrTSYhAg%40mail.gmail.com</a>. </pre> </div> <div class="msgButtons margintopdouble"> <ul class="overflow"> <li class="msgButtonItems"><a class="button buttonleft " accesskey="p" href="msg16566.html">Previous message</a></li> <li class="msgButtonItems textaligncenter"><a class="button" accesskey="c" href="index.html#16582">View by thread</a></li> <li class="msgButtonItems textaligncenter"><a class="button" accesskey="i" href="maillist.html#16582">View by date</a></li> <li class="msgButtonItems textalignright"><a class="button buttonright " accesskey="n" href="msg16585.html">Next message</a></li> </ul> </div> <a name="tslice"></a> <div class="tSliceList margintopdouble"> <ul class="icons monospace"> <li class="icons-email"><span class="subject"><a href="msg16532.html">[blink-dev] Intent to Ship: Responsively-sized <iframe&g...</a></span> <span class="sender italic">Koji Ishii</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg16543.html">Re: [blink-dev] Intent to Ship: Responsively-sized &lt...</a></span> <span class="sender italic">Mike Taylor</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg16547.html">Re: [blink-dev] Intent to Ship: Responsively-sized...</a></span> <span class="sender italic">Alex Russell</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg16566.html">Re: [blink-dev] Intent to Ship: Responsively-s...</a></span> <span class="sender italic">Vladimir Levin</span></li> <li><ul> <li class="icons-email tSliceCur"><span class="subject">Re: [blink-dev] Intent to Ship: Responsive...</span> <span class="sender italic">Koji Ishii</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg16585.html">Re: [blink-dev] Intent to Ship: Respo...</a></span> <span class="sender italic">一丝</span></li> </ul> </ul> </ul> </ul> </ul> </ul> </div> <div class="overflow msgActions margintopdouble"> <div class="msgReply" > <h2> Reply via email to </h2> <form method="POST" action="/mailto.php"> <input type="hidden" name="subject" value="Re: [blink-dev] Intent to Ship: Responsively-sized <iframe>"> <input type="hidden" name="msgid" value="CAHe_1d+KK2RXAKLSh=2gkXLw=rzLrUeEC3qn0qE-j0VrTSYhAg@mail.gmail.com"> <input type="hidden" name="relpath" value="blink-dev@chromium.org/msg16582.html"> <input type="submit" value=" Koji Ishii "> </form> </div> </div> </div> <div class="aside" role="complementary"> <div class="logo"> <a href="/"><img src="/logo.png" width=247 height=88 alt="The Mail Archive"></a> </div> <form class="overflow" action="/search" method="get"> <input type="hidden" name="l" value="blink-dev@chromium.org"> <label class="hidden" for="q">Search the site</label> <input class="submittext" type="text" id="q" name="q" placeholder="Search blink-dev"> <input class="submitbutton" name="submit" type="image" src="/submit.png" alt="Submit"> </form> <div class="nav margintop" id="nav" role="navigation"> <ul class="icons font16"> <li class="icons-home"><a href="/">The Mail Archive home</a></li> <li class="icons-list"><a href="/blink-dev@chromium.org/">blink-dev - all messages</a></li> <li class="icons-about"><a href="/blink-dev@chromium.org/info.html">blink-dev - about the list</a></li> <li class="icons-expand"><a href="/search?l=blink-dev@chromium.org&q=subject:%22Re%5C%3A+%5C%5Bblink%5C-dev%5C%5D+Intent+to+Ship%5C%3A+Responsively%5C-sized+%3Ciframe%3E%22&o=newest&f=1" title="e" id="e">Expand</a></li> <li class="icons-prev"><a href="msg16566.html" title="p">Previous message</a></li> <li class="icons-next"><a href="msg16585.html" title="n">Next message</a></li> </ul> </div> <div class="listlogo margintopdouble"> </div> <div class="margintopdouble"> </div> </div> </div> <div class="footer" role="contentinfo"> <ul> <li><a href="/">The Mail Archive home</a></li> <li><a href="/faq.html#newlist">Add your mailing list</a></li> <li><a href="/faq.html">FAQ</a></li> <li><a href="/faq.html#support">Support</a></li> <li><a href="/faq.html#privacy">Privacy</a></li> <li class="darkgray">CAHe_1d+KK2RXAKLSh=2gkXLw=rzLrUeEC3qn0qE-j0VrTSYhAg@mail.gmail.com</li> </ul> </div> </body> </html>