LGTM1. I think there is a small compat risk here but it should be manageable via the combination of: low popover + dialog usage so far, presumably by actively-updated sites, and a Finch flag if something breaks really badly.
On Wednesday, March 27, 2024 at 2:58:51 AM UTC+9 Mason Freed wrote: > Contact emailsmas...@chromium.org > > ExplainerNone > > Specificationhttps://github.com/whatwg/html/pull/10116 > > Summary > > The prior behavior caused issues if a top layer element (dialog, > fullscreen, etc.) was DOM-nested within a popover. The inner element, when > promoted to the top layer, would cause the outer popover to be hidden, > which also (via CSS display:none) hid the inner element. That, in turn, > caused issues at least for dialogs, which inert the entire page. This > change makes top layer elements "nestable" within popovers. > > > Blink componentBlink>DOM>Popover > <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EDOM%3EPopover> > > TAG reviewNone > > TAG review statusNot applicable > > Risks > > > Interoperability and Compatibility > > This will "unbreak" a set of broken behaviors. The compat risk is > extremely low, given the recent launch of the Popover API, and the broken > current behavior. The small risk is that someone nested a top layer element > within a Popover, and then relied on it *not* being visible after being > shown. > > > *Gecko*: Shipped/Shipping https://phabricator.services.mozilla.com/D200686 > > *WebKit*: Positive Informal support at WHATNOT meeting: > https://github.com/whatwg/html/issues/10052#issuecomment-1911240732 > > *Web developers*: Positive Issue raised by developers > > *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 > > > 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/html/semantics/popovers?label=master&label=experimental&aligned&q=opover-top-layer-nesting > > > Flag name on chrome://flagsNestedTopLayerSupport > > Finch feature nameNestedTopLayerSupport > > Requires code in //chrome?False > > Tracking bughttps://crbug.com/1520938 > > Estimated milestones > DevTrial on desktop 123 > DevTrial on Android 123 > > 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). > None > > Link to entry on the Chrome Platform Status > https://chromestatus.com/feature/5149353645965312?gate=5083908142268416 > > 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 on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/ca3bd684-6d5a-4e60-b2b6-1de024f673acn%40chromium.org.