On Wed, Oct 22, 2025 at 6:25 AM Mike Taylor <[email protected]> wrote:
> On 10/22/25 4:05 a.m., Chromestatus wrote: > > *Contact emails* > [email protected], [email protected], [email protected] > > *Explainer* > > https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/ClipboardAPI/ClipboardChangeEvent/clipboard-change-event-explainer.md > > *Specification* > https://github.com/w3c/clipboard-apis/pull/239 > > *Summary* > The "clipboardchange" event fires whenever the system clipboard contents > are changed either by a web app or any other system application. This > allows web-apps like remote desktop clients to keep their clipboards > synchronized with the system clipboard. It provides an efficient > alternative to polling the clipboard(using Javascript) for changes. > > *Blink component* > Blink>DataTransfer > <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EDataTransfer%22> > > *Web Feature ID* > clipboardchange <https://webstatus.dev/features/clipboardchange> > > *Motivation* > Today, a web-app can monitor the system clipboard by polling and reading > the clipboard through async clipboard API at regular intervals. For > example, web based remote desktop clients like Chrome Remote desktop may > read the clipboard contents for changes on every page focus event which is > inefficient. Some Github links also suggests polling of clipboard being > performed in Electron JS apps like ( > https://gist.github.com/LewdEwe-ErikWallace/d6e36f899a77a4f05e46388c254d014f). > This feature aims to introduce an efficient way of notifying web apps when > clipboard changes. > > *Initial public proposal* > https://github.com/WICG/proposals/issues/186 > > *Search tags* > clipboard change event <http:///features#tags:clipboard%20change%20event>, > clipboardchange <http:///features#tags:clipboardchange>, clipboard monitor > <http:///features#tags:clipboard%20monitor> > > *TAG review* > https://github.com/w3ctag/design-reviews/issues/1017 > > *TAG review status* > Issues addressed > > *Origin Trial Name* > Clipboardchange event > > *Chromium Trial Name* > ClipboardChangeEvent > > *Origin Trial documentation link* > > https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/ClipboardAPI/ClipboardChangeEvent/README.md > > *WebFeature UseCounter name* > kClipboardChangeEventAddListener > > *Risks* > > > *Interoperability and Compatibility* > *No information provided* > > *Gecko*: No signal ( > https://github.com/mozilla/standards-positions/issues/1115) > > Have you seen the feedback and corresponding issue filed from Olli, ~last > year? > Link: https://github.com/w3c/clipboard-apis/issues/228 > > *WebKit*: No signal ( > https://github.com/WebKit/standards-positions/issues/429) > > *Web developers*: Positive 34+ upvotes in the associated Chromium bug > indicates strong interest. Issues like following also indicate a strong > developer interest: - > https://stackoverflow.com/questions/63856050/javascript-how-can-i-have-a-constantly-running-process-for-the-purpose-of-monit > - https://github.com/p0deje/Maccy/issues/948 > > *Other signals*: > > *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* > > > *Debuggability* > To improve debuggability, developers should be able to set breakpoints > directly in their code where the clipboardchange event listener is > registered, using the Sources tool as with any other event. Additionally, > clipboardchange will be available alongside other clipboard-related > events—such as copy, cut, and paste—in the “Clipboard” section of Event > Listener Breakpoints within the Sources tool. > > *Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, ChromeOS, Android, and Android WebView)?* > Yes > > *Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?* > Yes > > https://wpt.fyi/results/clipboard-apis/async-navigator-clipboard-change-event.tentative.https.html > > *DevTrial instructions* > https://developer.chrome.com/blog/clipboardchange > > *Flag name on about://flags* > ClipboardChangeEvent > > *Finch feature name* > ClipboardChangeEvent > > *Rollout plan* > Will ship enabled for all users > > *Requires code in //chrome?* > False > > *Tracking bug* > https://issues.chromium.org/issues/41442253 > > *Estimated milestones* > Shipping on desktop 143 > Origin trial desktop first 140 > Origin trial desktop last 142 > Shipping on Android 143 > Origin trial Android first 140 > Origin trial Android last 142 > Origin trial WebView first 140 > Origin trial WebView last 142 > > *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/5085102657503232?gate=5067234201042944 > > *Links to previous Intent discussions* > Intent to Prototype: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/67454fad.2b0a0220.19a388.0284.GAE%40google.com > Intent to Experiment: > https://groups.google.com/a/chromium.org/g/blink-dev/c/JQb0t_esk1k/m/WnqkGA2pCQAJ > > > 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/68f89056.050a0220.39dfc1.1293.GAE%40google.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/68f89056.050a0220.39dfc1.1293.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/ec15cf31-0e80-41e0-b860-5f1347748ab2%40chromium.org > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/ec15cf31-0e80-41e0-b860-5f1347748ab2%40chromium.org?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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