I agree this is likely to be very low risk. I suppose it's not impossible
that some site or WebView consumer could accidentally be depending on this,
but I can't imagine any realistic way, or any way we could possibly
quantify that remaining risk. I tried scanning a random sample of uses on
GitHub, but all I found were things that would continue to work (setting it
to a string value) and a few generic API presence tests.

I think we should go ahead without any further compat analysis. Worst case
and you get even a single regression report from your CL then we should
revisit.

LGTM1


On Wed, Sep 28, 2022 at 7:47 PM Mason Freed <mas...@chromium.org> wrote:

> Contact emailsmas...@chromium.org
>
> ExplainerNone
>
> SpecificationNone (and that's the point)
>
> Summary
>
> These two APIs originally were used to modify/control the "status bar"
> text at the bottom of browser windows. However, they have not had any
> effect on Chrome's status bar for quite some time (many years at least),
> and they are not standardized attributes. Gecko has not supported these
> attributes since version 23; WebKit still supports these attributes. The
> related window.status attribute *is* standardized, but also must never have
> an impact on the window status bar (
> https://html.spec.whatwg.org/multipage/window-object.html#dom-window-status).
> The window.status attribute is not being modified with this launch.
>
>
> Blink componentBlink>HTML
> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EHTML>
>
> Search tagswindow.defaultstatus
> <https://chromestatus.com/features#tags:window.defaultstatus>, status
> <https://chromestatus.com/features#tags:status>
>
> TAG review
>
> TAG review statusNot applicable
>
> Risks
>
>
> Interoperability and Compatibility
>
>
>
> *Gecko*: Shipped/Shipping Shipped since Firefox 23.
>
> *WebKit*: No signal
>
> *Web developers*: No signals
>
> *Other signals*:
>
> Ergonomics
>
> N/A
>
>
> Activation
>
> The only compat issue would be if code specifically depends on the
> presence of `window.default[sS]tatus`. They have not had any behavioral
> impact for many years, so the risk of this seems very low.
>
>
> Security
>
> None
>
>
> 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?
>
>
>
> Debuggability
>
> Debuggable via the console.
>
>
> Will this feature be supported on all six Blink platforms (Windows, Mac,
> Linux, Chrome OS, 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
>
> Flag nameWindowDefaultStatus
>
> Requires code in //chrome?False
>
> Tracking bughttps://crbug.com/692835
>
> Launch bughttps://crbug.com/692835
>
> Estimated milestones
>
> M108
>
>
> 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 - this is not a specified feature, and it is being removed for that
> reason.
>
> Link to entry on the Chrome Platform Status
> https://chromestatus.com/feature/4906826915643392
>
> This intent message was generated by Chrome Platform Status
> <https://chromestatus.com/>.
>
> --
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> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAM%3DNeDh6tRyVpkL472t7uUbceTmNFYhx7_K0CDMQMArLAyFD-Q%40mail.gmail.com?utm_medium=email&utm_source=footer>
> .
>

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