LGTM2 On Tue, Sep 8, 2026 at 11:03 PM Chromestatus < [email protected]> wrote:
> *Contact emails* > [email protected], [email protected] > > *Explainer* > > https://github.com/w3c/window-management/blob/main/EXPLAINER_additional_windowing_controls.md > > *Specification* > https://www.w3.org/TR/window-management/#api-window-minimize-method > > *Summary* > Enables web applications with the window-management permission to > maximize(), minimize(), and restore() their windows, and to prevent > resizing through setResizable(). Additionally, new CSS media features > display-state and resizable enable scripts and content to adapt to the > respective window states and resizability. These features improve the > usability of VDI remote application windows in Web clients, especially when > it comes to titlebar window controls. The new functionality enhances > existing Window Management API features: > https://chromestatus.com/feature/5252960583942144 > > *Blink component* > Blink>WindowDialog > <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EWindowDialog%22> > > *Web Feature ID* > window-management <https://webstatus.dev/features/window-management> > > *Motivation* > Virtual Desktop Infrastructure (VDI) web clients have limited abilities to > integrate remote application windows with the local desktop environment, > which creates suboptimal experiences for their users. Currently, they can > only present full disjoint remote desktop environments (e.g. in a local > fullscreen window), or present individual remote applications in separate > local windows with titlebar window controls that are inoperative, > redundant, and confusing for users. > > *Initial public proposal* > https://discourse.wicg.io/t/proposal-additional-windowing-controls/6044 > > *TAG review* > https://github.com/w3ctag/design-reviews/issues/1246 > > *TAG review status* > Pending > > *Goals for experimentation* > > > *Risks* > > > *Interoperability and Compatibility* > *No information provided* > > *Gecko*: No signal ( > https://github.com/mozilla/standards-positions/issues/712) > > *WebKit*: No signal ( > https://github.com/WebKit/standards-positions/issues/96) > > *Web developers*: Positive ( > https://github.com/w3c/window-management/issues/3) From VDI web client > partners (Citrix & VMware) - the feature is needed by them for single > application streaming using web technologies. > https://docs.citrix.com/en-us/citrix-virtual-apps-desktops/seamless.html > https://github.com/w3c/window-management/issues/158 > > *Other signals*: > > *Ergonomics* > Permissions API status queries and CSS Media Queries provide feature > support detection, display mode queries represent whether the features are > viable in the current window. The window-state feature would pair nicely > with a proposed `application-context` CSS media feature to resolve > ambiguities of the `display-mode` media feature when a standalone Web App > window enters fullscreen: https://github.com/w3c/manifest/pull/1218 This > enhancement fits naturally with the Window Management API, and display > state control methods are straightforward. This enhancement is especially > useful when paired with Unframed display mode for Isolated Web Apps: > https://chromestatus.com/feature/5551475195904000 The API should not have > any performance impact and state transitions are not expected to occur > frequently. > > *Activation* > The API is fairly simple and utilizes concepts already present in existing > operating systems. It's a reasonable progressive enhancement expected to be > especially useful for VDI remote application windows. > > *Security* > Permission and user activation requirements mitigate primary risks: - > Focus stealing by a malicious application - Malicious applications hiding > from the user - Application changing the display state in a loop > > *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 - the feature is not supported on WebView. > > > *Debuggability* > The feature has basic support provided automatically by DevTools. > > *Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)?* > No > Launch support: Initially planned for ChromeOS. Windows, Mac and Linux > planned for fast-follow. Support is not yet planned for Android or Android > WebView, but should be feasible for Android freeform windowing modes. > > *Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?* > No > Full automated WPT coverage is not currently possible, because the feature > is only applicable to standalone PWA windows. Initial limited coverage can > be found at: > https://wpt.fyi/results/css/mediaqueries/display-state.tentative.html > https://wpt.fyi/results/css/mediaqueries/resizable.tentative.html > https://wpt.fyi/results/window-management/additional-windowing-controls.tentative.https.html > > *Flag name on about://flags* > enable-desktop-pwas-additional-windowing-controls > > *Finch feature name* > DesktopPWAsAdditionalWindowingControls > > *Rollout plan* > Will ship enabled for all users > > *Requires code in //chrome?* > True > > *Tracking bug* > https://issues.chromium.org/issues/40192345 > > *Launch bug* > https://launch.corp.google.com/launch/4234439 > > *Measurement* > window.minimize() - > https://chromestatus.com/metrics/feature/timeline/popularity/4761 > window.maximize() - > https://chromestatus.com/metrics/feature/timeline/popularity/4762 > window.restore() - > https://chromestatus.com/metrics/feature/timeline/popularity/4763 > window.setResizable() - > https://chromestatus.com/metrics/feature/timeline/popularity/4764 > > *Estimated milestones* > Shipping on desktop 155 > DevTrial on desktop 122 > > *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). > *No information provided* > > *Link to entry on the Chrome Platform Status* > https://chromestatus.com/feature/5201832664629248?gate=5182130005475328 > > *Links to previous Intent discussions* > Intent to Prototype: > https://groups.google.com/a/chromium.org/g/blink-dev/c/oCxWg8q_OQY > Ready for Trial: > https://groups.google.com/a/chromium.org/g/blink-dev/c/49DBcMFjU9Q > > > 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/6aa0f6ab.81999fdc.3b7fb5.022b.GAE%40google.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/6aa0f6ab.81999fdc.3b7fb5.022b.GAE%40google.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/CAOMQ%2Bw8-SFmhx_tsEnZ_B2-jF%3DwxZQ8qchYt16bz9owF3GzHEw%40mail.gmail.com.
