We're requesting m143 to m148 inclusive.

Thanks!

On Tuesday, November 4, 2025 at 7:24:27 AM UTC-8 [email protected] wrote:

> Hello,
>
> Could you please clarify which milestones you're requesting, and update 
> chromestatus accordingly?
>
> (i.e., your chromestatus entry only lists 144 as the OT desktop start, and 
> has nothing for the OT desk end milestone).
>
> thanks,
> Mike
> On 10/29/25 11:33 a.m., 'Lia Hiscock' via blink-dev wrote:
>
> *Contact emails*[email protected], [email protected]
>
> *Explainer*
> https://aka.ms/webinstall
>
> *Specification*
> https://github.com/w3c/manifest/pull/1175
>
> *Design docs*
>
>
> https://docs.google.com/document/d/12nSXJLm8mW0gWZ_yjlXfrV8r9gwJliVt4WVa-209-KA/edit?tab=t.0
>
> *Summary*
> Allows a website to install a web app. The API provides 3 signatures, with 
> 0, 1, and 2 parameters, respectively. When invoked, the website installs 
> either itself, or another site from a different origin, as a web app 
> (depending on the provided parameters). All 3 signatures will be 
> experimented with in parallel. 
> *Terminology - A site installing itself is a "current document install". A 
> site installing another site is a "background document install".
>
> *Blink component*
> Blink>AppManifest 
> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EAppManifest%22>
>
> *Web Feature ID*
> web-install <https://webstatus.dev/features/web-install>
>
> *Search tags*
> web install <https://chromestatus.com/features#tags:web%20install>, 
> install <https://chromestatus.com/features#tags:install>
>
> *TAG review*
> https://github.com/w3ctag/design-reviews/issues/1051 (Although this is 
> technically the early design review, we went through several rounds of 
> feedback from this that influenced the shape of the API significantly)
>
> *TAG review status*
> Issues open
>
> *Origin Trial documentation link*
>
> https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/WebInstall/explainer.md
>
> *Risks*
>
>
> *Interoperability and Compatibility*
> Interop - Low risk. 
> This is a new API that installs web apps, which are supported by other 
> browsers. The no argument version of the API (installs the current 
> document) has enough support to be merged into the W3C web app manifest 
> spec - https://github.com/w3c/manifest/pull/1175. It has also been 
> reviewed favorably by TAG - 
> https://github.com/w3ctag/design-reviews/issues/1051. 
> While the argument versions of the API (installing a document in the 
> background) are still under discussion in WICG, we have no reason to 
> believe there will be interop risk with these additions. 
>
> Compatibility - Low risk. 
> This is a new API that requires explicit developer action to use.
>
> *Gecko*: No signal (
> https://github.com/mozilla/standards-positions/issues/1179)
>
> *WebKit*: No signal (
> https://github.com/WebKit/standards-positions/issues/463)
>
> *Web developers*: Positive (
> https://github.com/w3ctag/ethical-web-principles/issues/120#issuecomment-2285348765)
>  
>
> https://github.com/w3ctag/ethical-web-principles/issues/120#issuecomment-2285431557
>
> *Other signals*: pwastore.io - 
> https://www.reddit.com/r/PWA/comments/1o1excp/comment/niit2jh/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button
>
> *Ergonomics*
> This could be used in conjunction with the 
> navigator.getInstalledRelatedApps API, which tells a developer if any 
> related web apps are installed for their site, before attempting to install 
> with navigator.install. There is overlap between navigator.install and the 
> BeforeInstallPrompt event. navigator.install is more ergonomic, and we 
> think developers will prefer its declarative install. See this thread - 
> https://github.com/MicrosoftEdge/MSEdgeExplainers/issues/1055
>
> *Activation*
> No activation risks. It should be relatively easy for developers to take 
> advantage of this feature immediately, as-is. The API was designed with 
> ergonomics in mind, and we have four places with instructions for 
> developers (two test sites, the explainer itself, and a Developer Trial 
> README)
>
> *Security*
> See security considerations for both current document and background 
> document functionality - current document - 
> https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/WebInstall/explainer-current-doc.md#accessibility-privacy-and-security-considerations
>  background 
> document - 
> https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/WebInstall/explainer-background-doc.md#accessibility-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?*
> *No information provided*
>
> *Goals for experimentation*
> We are looking to answer the following questions about the current API 
> surface with this experiment to aid in further developments of the feature. 
> We’ve added 2 new UKMs and 2 UMAs, in addition to preexisting web 
> app/permissions metrics, to help in answering these questions during the 
> experiment.
>
> 1 - Is there evidence of abuse or annoyance in the API's prompt surfaces 
> (permission and installation)? 
> metric(s) - App installation rate per origin; Permissions metrics, such as 
> rate of prompt denial, or permission disablement in site settings. 
>
> 2 - Is there a spike in uninstallations, that would indicate user regret, 
> or lack of UX clarity? 
> metric(s) - Amount of apps uninstalled within 1 hour of installation. 
>
> 3 - Do developers understand the manifest id requirements of the API? 
> metric(s) - Rate of DataErrors returned to the renderer. 
>
> 4 - The API has 3 signatures, and can do 2 types of installations, as well 
> as app launches. Are developers understanding and effectively using all 
> signatures? 
> metric(s) - JS use counter data; success rate of both current and 
> background installs; CTR of app launch dialog.
>
> *Ongoing technical constraints*
> None
>
> *Debuggability*
> Existing DevTools support for promise-based JS APIs. No new DevTools 
> support is needed.
>
> *Will this feature be supported on all six Blink platforms (Windows, Mac, 
> Linux, ChromeOS, Android, and Android WebView)?*
> No
> Windows, Mac, Linux, and ChromeOS will be shipped first. Android will be 
> supported later, due to significant technical deviation in the web app 
> ecosystem - https://issues.chromium.org/issues/424497410. As of now, no 
> plan to support Android WebView.
>
> *Is this feature fully tested by * *web-platform-tests 
> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>*
> *?*
> No
> Web app installs are not supported in WPT, but we will add a WPT manual 
> test.
>
> *DevTrial instructions*
> https://microsoftedge.github.io/Demos/pwa-web-install-api
>
> *Flag name on about://flags*
> web-app-installation-api
>
> *Finch feature name*
> WebAppInstallation
>
> *Requires code in //chrome?*
> False
>
> *Tracking bug*
> https://issues.chromium.org/issues/333795265
>
> *Measurement*
> We have a JavaScript UseCounter and WebDX feature - 
> https://chromestatus.com/metrics/webfeature/timeline/popularity/375 We 
> will also implement chromium UMAs and possibly UKMs for the API service 
> results.
>
> *Estimated milestones*
> Origin trial desktop first
> 144
> DevTrial on desktop
> 139
>
>
> *Link to entry on the Chrome Platform Status*
> https://chromestatus.com/feature/5183481574850560?gate=5098406862651392
>
> *Links to previous Intent discussions*
> Intent to Prototype: 
> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/DB9PR83MB05184F25E5FEE4595055FE34CC042%40DB9PR83MB0518.EURPRD83.prod.outlook.com
> Ready for Trial: 
> https://groups.google.com/a/chromium.org/g/blink-dev/c/ame_t7wN2cU
>
>
> 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 [email protected].
> To view this discussion visit 
> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/BL3PR00MB143232507729DB55F568F0D8D3FAA%40BL3PR00MB1432.namprd00.prod.outlook.com
>  
> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/BL3PR00MB143232507729DB55F568F0D8D3FAA%40BL3PR00MB1432.namprd00.prod.outlook.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 [email protected].
To view this discussion visit 
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/17593aa3-db3b-4ebf-9ad6-f5299d613e41n%40chromium.org.

Reply via email to