Will it allow detection of incognito mode, though? Hopefully not...
☆*PhistucK* On Mon, Mar 17, 2025 at 11:15 PM Chromestatus < ad...@cr-status.appspotmail.com> wrote: > Contact emails t...@chromium.org, antoniosart...@chromium.org, > johny...@google.com, riz...@google.com > > Explainer > https://github.com/explainers-by-googlers/canvas-noise-on-readbacks > > Specification None > > Summary > > The canvas APIs allow websites to draw shapes and forms on a canvas and > read back the rendered image. However, the browser's rendering process > leaks details about the GPU's properties. The goal of adding noise to > canvas readbacks is to prevent scripts from easily obtaining identifying > information that can be used to re-identify a browser across contexts. The > noise that is added to the pixels is deterministic for a given canvas, and > changes based on the site of the embedding document. With this feature > noise would only be added to canvas readbacks for users in Incognito mode. > > > Blink component Blink>Canvas > <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ECanvas%22> > > Motivation > > The specific way in which shapes and forms are rendered on the GPU expose > information about the characteristics of that GPU. By adding noise to the > pixel values upon readback, easily obtaining identifying information that > can be used to re-identify a browser across contexts is no longer feasible. > > > Initial public proposal > https://github.com/explainers-by-googlers/canvas-noise-on-readbacks > > TAG review None > > TAG review status Pending > > Risks > > > Interoperability and Compatibility > > None > > > *Gecko*: Shipped/Shipping ( > https://bugzilla.mozilla.org/show_bug.cgi?id=1816189) > > *WebKit*: Shipped/Shipping (https://bugs.webkit.org/show_bug.cgi?id=243555) > > > *Web developers*: No signals > > *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? > > None > > > Debuggability > > None > > > Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> > ? No > > Flag name on about://flags None > > Finch feature name None > > Non-finch justification None > > Requires code in //chrome? False > > Tracking bug https://g-issues.chromium.org/issues/399653248 > > Launch bug https://launch.corp.google.com/launch/4386318 > > Estimated milestones > > No milestones specified > > > Link to entry on the Chrome Platform Status > https://chromestatus.com/feature/5589949602332672?gate=5107144812396544 > > 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 blink-dev+unsubscr...@chromium.org. > To view this discussion visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/67d8ad03.2b0a0220.1cd73d.0b3e.GAE%40google.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/67d8ad03.2b0a0220.1cd73d.0b3e.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 blink-dev+unsubscr...@chromium.org. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CABc02_K%3DiBs5NAPX7VWRT6ZQkt1PNvaF83K4esrKvEWg_vPjvA%40mail.gmail.com.
