On Fri, Nov 4, 2022 at 2:24 AM 'Louise Brett' via blink-dev <
[email protected]> wrote:

> Contact [email protected], [email protected],
> [email protected]
>
> Explainer
> V1:
> https://github.com/WICG/manifest-incubations/blob/gh-pages/user-preferences-explainer.md
> V2: https://github.com/w3c/manifest/issues/1045
>
> Specification
>
> Summary
>
> Add a field to the web app manifest which allows apps to specify a
> different theme color and background color for dark mode.
>
>
> Blink componentBlink>AppManifest
> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EAppManifest>
>
> TAG reviewhttps://github.com/w3ctag/design-reviews/issues/696
>
> TAG review statusPending
>
> Risks
>
>
> Interoperability and Compatibility
>
>
>
> *Gecko*: No signal (
> https://github.com/mozilla/standards-positions/issues/630)
>
> *WebKit*: Positive (https://github.com/w3c/manifest/issues/1045)
>

Note that to minimize risk of misunderstandings, only official WebKit
standards position entries count as positive signals
<https://docs.google.com/document/d/1xkHRXnFS8GDqZi7E0SSbR3a7CZsGScdxPUWBsNgo-oo/edit#heading=h.8x7zhp1sw1wr>.
It's not necessary for OT, but probably a good idea to get a position
request filed <https://github.com/WebKit/standards-positions/> ahead of a
future I2S.

*Web developers*: No signals - Positive signals from v1 but no signals on
> the new format
>
> *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?
>
>
>
> Goals for experimentation
>
> Allow web developers to use this field and provide feedback on the new
> format.
>
>
> Reason this experiment is being extended
>
> The manifest format has significantly changed per
> https://github.com/w3c/manifest/issues/1045 to use CSS media queries. We
> would like to run a new OT to get feedback from web developers about this
> new format.
>

Switching to CSS MQ syntax is indeed a pretty significant change. LGTM to
experiment M109-M114

Ongoing technical constraints
>
>
>
> Debuggability
>
> chrome://web-app-internals can be used for debugging, and this has been
> added to the DevTools Application pane.
>
>
> Will this feature be supported on all six Blink platforms (Windows, Mac,
> Linux, Chrome OS, Android, and Android WebView)?No
>
> Not supported on Android
>

Has there been discussion with Android folks? Eg. +Glenn Hartmann
<[email protected]>? Ideally we'd ship support for all OSes at the
same time, but at a minimum we'll want to make sure the design we ship for
desktop is also reasonable for mobile in the future.

Is this feature fully tested by web-platform-tests
> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
> ?No - the v2 format does not have web platform tests yet.
>
> Flag namechrome://flags/#enable-experimental-web-platform-features
>
> Requires code in //chrome?True
>
> Tracking bughttps://bugs.chromium.org/p/chromium/issues/detail?id=1318305
>
> Launch bughttps://bugs.chromium.org/p/chromium/issues/detail?id=1279284
>
> Estimated milestones
> OriginTrial desktop last 114
> OriginTrial desktop first 109
>
> Link to entry on the Chrome Platform Status
> https://chromestatus.com/feature/5714780426862592
>
> Links to previous Intent discussionsIntent to prototype:
> https://groups.google.com/a/chromium.org/g/blink-dev/c/Y6zNtG0f-6A
> Intent to Experiment v1:
> https://groups.google.com/a/chromium.org/g/blink-dev/c/ftoKq32Baz4
> Intent to Extend Experiment v1:
> https://groups.google.com/a/chromium.org/g/blink-dev/c/2c8msRrrcF0
>
>
> This intent message was generated by Chrome Platform Status
> <https://chromestatus.com/>.
>
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