Do we know the reasons why WebKit changed behavior? On Mon, Oct 4, 2021 at 1:34 PM Manuel Rego Casasnovas <r...@igalia.com> wrote:
> > **Contact emails** > r...@igalia.com, dazab...@igalia.com > > **Specification** > https://www.w3.org/TR/css-pseudo-4/#selectordef-selection > > **Summary** > > Right now selection background color is inverted when it matches the > text color in Chromium. > So if you have a rule like this "::selection { color: cyan; background: > cyan; }" the background gets inverted and a red background color is used. > This is an old behavior inherited from WebKit but Safari doesn't do this > anymore (and Firefox has never done this). > The proposal is to stop inverting the background color for ::selection. > > **Blink component** > Blink>CSS > > **TAG review** > N/A > > This is mostly a bug fix but we're sending the intent as a PSA and due > to the potential compat risk. > > **Risks** > > **Interoperability and Compatibility** > > The current Chromium behavior comes from WebKit > (trac.webkit.org/changeset/52548/webkit). > WebKit has changed this behavior in the past and is no longer doing this. > Firefox has never done this. > This will align Chromium with the other browsers. > > Use counter was added in M93 and it's around 0.0003% > (https://chromestatus.com/metrics/feature/timeline/popularity/3934). > This change might make selected content impossible to read in some web > pages (but that's already happening in Safari and Firefox). > Or maybe this is making some webpages work as expected, if they were > using selection colors to hide some content. > > Gecko: Shipped/Shipping > > WebKit: Shipped/Shipping > > Web developers: No signals. This is mostly a bug fix, removing a quirk > to improve interop; so it doesn't look like we need to ask for specific > web developer signals. > > **Is this feature fully tested by web-platform-tests?** > > We're adding a new test specifically verifying this behavior in > https://chromium-review.googlesource.com/c/chromium/src/+/3199752. > > Apart from that css/css-pseudo/active-selection-018.html fails partially > due to this issue if you enable HighlightInheritance runtime flag. > > **Tracking bug** > https://bugs.chromium.org/p/chromium/issues/detail?id=1217745 > > **Link to entry on the Chrome Platform Status** > https://chromestatus.com/feature/5657973985640448 > > -- > 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 on the web visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/d48df17c-160c-4b98-c77c-41f063891570%40igalia.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 on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAL5BFfUYwsGphd1%3DcimqSzS3SrfFeCHc0HaHbGRxqy5Kj5t25A%40mail.gmail.com.
