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167167<meta name="description" content="This specification defines a JSON-based file format that provides
168168 developers with a centralized place to put metadata associated with a
169169 web application. This metadata includes, but is not limited to, the web
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302302 <body data-cite="ENCODING SCREEN-ORIENTATION MEDIAQUERIES-5 IMAGE-RESOURCE MIMESNIFF HTML INFRA URL WEBIDL DOM FETCH" class="h-entry"><div class="head">
303303 <p class="logos"><a class="logo" href="https://www.w3.org/"><img crossorigin="" alt="W3C" height="48" src="https://www.w3.org/StyleSheets/TR/2021/logos/W3C" width="72">
304304 </a></p>
305305 <h1 id="title" class="title">Web Application Manifest</h1>
306- <p id="w3c-state"><a href="https://www.w3.org/standards/types#ED">W3C Editor's Draft</a> <time class="dt-published" datetime="2026-01-29">29 January 2026</time></p>
306+ <p id="w3c-state"><a href="https://www.w3.org/standards/types#ED">W3C Editor's Draft</a> <time class="dt-published" datetime="2026-03-24">24 March 2026</time></p>
307307 <details open="">
308308 <summary>More details about this document</summary>
309309 <dl>
@@ -3299,7 +3299,7 @@ <h1 id="title" class="title">Web Application Manifest</h1>
32993299 Any website is an <strong>installable web application</strong>.
33003300 </p>
33013301 <p>
3302- A user agent can provide a way for the end-user to <dfn data-local-lt="installing|installation" data-lt="installed|install" id="dfn-installed" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">install</dfn> a web
3302+ A user agent can provide a way for the end-user to <dfn class="export" data-lt="installed|installing|installation|install" data-export="" id="dfn-installed" tabindex="0" aria-haspopup="dialog" data-dfn-type="dfn">install</dfn> a web
33033303 application on the end-user's device, allowing the user to instantiate
33043304 a new <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/document-sequences.html#top-level-browsing-context" id="ref-for-index-term-top-level-browsing-context-10">top-level browsing context</a> with the manifest's members
33053305 <a data-link-type="dfn|abstract-op" href="#dfn-apply" class="internalDFN" id="ref-for-dfn-apply-8">applied</a>.
@@ -5566,7 +5566,7 @@ <h1 id="title" class="title">Web Application Manifest</h1>
55665566 <span class="caret"></span>
55675567 <div>
55685568 <a class="self-link" href="#dfn-installed" aria-label="Permalink for definition: install. Activate to close this dialog.">Permalink</a>
5569-5569+<span class="marker dfn-exported" title="Definition can be referenced by other specifications">exported</span>
55705570 </div>
55715571 <p><b>Referenced in:</b></p>
55725572 <ul>
@@ -7496,13 +7496,13 @@ <h1 id="title" class="title">Web Application Manifest</h1>
74967496<section id="references" class="appendix"><div class="header-wrapper"><h2 id="l-references"><bdi class="secno">L. </bdi>References</h2><a class="self-link" href="#references" aria-label="Permalink for Appendix L."></a></div><section id="normative-references"><div class="header-wrapper"><h3 id="l-1-normative-references"><bdi class="secno">L.1 </bdi>Normative references</h3><a class="self-link" href="#normative-references" aria-label="Permalink for Appendix L.1"></a></div>
7497749774987498 <dl class="bibliography"><dt id="bib-accname-1.2">[accname-1.2]</dt><dd>
7499- <a href="https://www.w3.org/TR/accname-1.2/"><cite>Accessible Name and Description Computation 1.2</cite></a>. Bryan Garaventa; Melanie Sumner. W3C. 21 January 2026. W3C Working Draft. URL: <a href="https://www.w3.org/TR/accname-1.2/">https://www.w3.org/TR/accname-1.2/</a>
7499+ <a href="https://www.w3.org/TR/accname-1.2/"><cite>Accessible Name and Description Computation 1.2</cite></a>. Bryan Garaventa; Melanie Sumner. W3C. 23 March 2026. W3C Working Draft. URL: <a href="https://www.w3.org/TR/accname-1.2/">https://www.w3.org/TR/accname-1.2/</a>
75007500 </dd><dt id="bib-bcp47">[BCP47]</dt><dd>
75017501 <a href="https://www.rfc-editor.org/rfc/rfc5646"><cite>Tags for Identifying Languages</cite></a>. A. Phillips, Ed.; M. Davis, Ed. IETF. September 2009. Best Current Practice. URL: <a href="https://www.rfc-editor.org/rfc/rfc5646">https://www.rfc-editor.org/rfc/rfc5646</a>
75027502 </dd><dt id="bib-csp3">[CSP3]</dt><dd>
7503- <a href="https://www.w3.org/TR/CSP3/"><cite>Content Security Policy Level 3</cite></a>. Mike West; Antonio Sartori. W3C. 6 November 2025. W3C Working Draft. URL: <a href="https://www.w3.org/TR/CSP3/">https://www.w3.org/TR/CSP3/</a>
7503+ <a href="https://www.w3.org/TR/CSP3/"><cite>Content Security Policy Level 3</cite></a>. Mike West; Antonio Sartori. W3C. 11 March 2026. W3C Working Draft. URL: <a href="https://www.w3.org/TR/CSP3/">https://www.w3.org/TR/CSP3/</a>
75047504 </dd><dt id="bib-css-color-4">[css-color-4]</dt><dd>
7505- <a href="https://www.w3.org/TR/css-color-4/"><cite>CSS Color Module Level 4</cite></a>. Chris Lilley; Tab Atkins Jr.; Lea Verou. W3C. 24 April 2025. CRD. URL: <a href="https://www.w3.org/TR/css-color-4/">https://www.w3.org/TR/css-color-4/</a>
7505+ <a href="https://www.w3.org/TR/css-color-4/"><cite>CSS Color Module Level 4</cite></a>. Tab Atkins Jr.; Chris Lilley; Lea Verou. W3C. 27 February 2026. CRD. URL: <a href="https://www.w3.org/TR/css-color-4/">https://www.w3.org/TR/css-color-4/</a>
75067506 </dd><dt id="bib-css-mime">[CSS-MIME]</dt><dd>
75077507 <a href="https://www.rfc-editor.org/rfc/rfc2318"><cite>The text/css Media Type</cite></a>. H. Lie; B. Bos; C. Lilley. IETF. March 1998. Informational. URL: <a href="https://www.rfc-editor.org/rfc/rfc2318">https://www.rfc-editor.org/rfc/rfc2318</a>
75087508 </dd><dt id="bib-css-syntax-3">[css-syntax-3]</dt><dd>
@@ -7524,7 +7524,7 @@ <h1 id="title" class="title">Web Application Manifest</h1>
75247524 </dd><dt id="bib-json">[JSON]</dt><dd>
75257525 <a href="https://www.rfc-editor.org/rfc/rfc8259"><cite>The JavaScript Object Notation (JSON) Data Interchange Format</cite></a>. T. Bray, Ed. IETF. December 2017. Internet Standard. URL: <a href="https://www.rfc-editor.org/rfc/rfc8259">https://www.rfc-editor.org/rfc/rfc8259</a>
75267526 </dd><dt id="bib-mediaqueries-5">[MEDIAQUERIES-5]</dt><dd>
7527- <a href="https://www.w3.org/TR/mediaqueries-5/"><cite>Media Queries Level 5</cite></a>. Dean Jackson; Florian Rivoal; Tab Atkins Jr.; Daniel Libby. W3C. 18 December 2021. W3C Working Draft. URL: <a href="https://www.w3.org/TR/mediaqueries-5/">https://www.w3.org/TR/mediaqueries-5/</a>
7527+ <a href="https://www.w3.org/TR/mediaqueries-5/"><cite>Media Queries Level 5</cite></a>. Tab Atkins Jr.; Florian Rivoal; Daniel Libby; Luke Warlow. W3C. 19 February 2026. W3C Working Draft. URL: <a href="https://www.w3.org/TR/mediaqueries-5/">https://www.w3.org/TR/mediaqueries-5/</a>
75287528 </dd><dt id="bib-mime-types">[MIME-TYPES]</dt><dd>
75297529 <a href="https://www.rfc-editor.org/rfc/rfc2046"><cite>Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types</cite></a>. N. Freed; N. Borenstein. IETF. November 1996. Draft Standard. URL: <a href="https://www.rfc-editor.org/rfc/rfc2046">https://www.rfc-editor.org/rfc/rfc2046</a>
75307530 </dd><dt id="bib-permissions">[permissions]</dt><dd>
@@ -7565,7 +7565,7 @@ <h1 id="title" class="title">Web Application Manifest</h1>
75657565 </dd><dt id="bib-rfc9110">[RFC9110]</dt><dd>
75667566 <a href="https://httpwg.org/specs/rfc9110.html"><cite>HTTP Semantics</cite></a>. R. Fielding, Ed.; M. Nottingham, Ed.; J. Reschke, Ed. IETF. June 2022. Internet Standard. URL: <a href="https://httpwg.org/specs/rfc9110.html">https://httpwg.org/specs/rfc9110.html</a>
75677567 </dd><dt id="bib-service-workers-1">[SERVICE-WORKERS-1]</dt><dd>
7568- <a href="https://www.w3.org/TR/service-workers/"><cite>Service Workers Nightly</cite></a>. Monica CHINTALA; Yoshisato Yanagisawa. W3C. 26 January 2026. CRD. URL: <a href="https://www.w3.org/TR/service-workers/">https://www.w3.org/TR/service-workers/</a>
7568+ <a href="https://www.w3.org/TR/service-workers/"><cite>Service Workers Nightly</cite></a>. Monica CHINTALA; Yoshisato Yanagisawa. W3C. 12 March 2026. CRD. URL: <a href="https://www.w3.org/TR/service-workers/">https://www.w3.org/TR/service-workers/</a>
75697569 </dd><dt id="bib-tls">[TLS]</dt><dd>
75707570 <a href="https://www.rfc-editor.org/rfc/rfc5246"><cite>The Transport Layer Security (TLS) Protocol Version 1.2</cite></a>. T. Dierks; E. Rescorla. IETF. August 2008. Proposed Standard. URL: <a href="https://www.rfc-editor.org/rfc/rfc5246">https://www.rfc-editor.org/rfc/rfc5246</a>
75717571 </dd><dt id="bib-webidl">[webidl]</dt><dd>
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