It seems the chromestatus entry has an incorrect feature type, and API
owners can't approve it.
Minseong, would you re-create an entry with "Chromium catches up" feature
type please?


On Wed, Nov 5, 2025 at 12:48 AM Mike Taylor <[email protected]> wrote:

> LGTM1
> On 10/28/25 10:05 a.m., Minseong Kim wrote:
>
> *Contact emails*
> [email protected]
>
> *Specification*
> https://www.w3.org/TR/css-text-4/#propdef-letter-spacing
> https://www.w3.org/TR/css-text-4/#propdef-word-spacing
>
> *Summary*
> Enables percentage values for the letter-spacing and word-spacing CSS
> property, as defined in the CSS Text Module Level 4 spec. Percentage values
> are calculated relative to the advance measure of the space character
> (U+0020). This gives developers more robust and flexible control over
> typography, particularly in responsive designs where text spacing needs to
> adapt to different viewports and font sizes.
>
> *Blink component*
> Blink>Layout>Inline
> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ELayout%3EInline%22>
>
> *Web Feature ID*
> letter-spacing <https://webstatus.dev/features/letter-spacing>
>
> *Search tags*
> letter-spacing <https://chromestatus.com/features#tags:letter-spacing>,
> word-spacing <https://chromestatus.com/features#tags:word-spacing>
>
> *Risks*
>
>
> *Interoperability and Compatibility*
> Risks are low. This is a support for new value of CSS properties. So sites
> not using properties won't be affected. Firefox and Safari has supported
> this feature for years.
>
> *Gecko*: Shipped/Shipping Firefox is failing so many letter-spacing
> tests:
> https://wpt.fyi/results/css/css-text/letter-spacing?label=experimental&label=master&aligned.
> But those are related the line ending or boundary handling of
> letter-spacing, not the percentage values. Related discussion:
> https://github.com/w3c/csswg-drafts/issues/1518
>
> *WebKit*: Shipped/Shipping (https://github.com/WebKit/WebKit/pull/18771)
>
> *Web developers*: No signals (https://issues.chromium.org/issues/327740939) 
> The
> issue has 3 votes.
>
> *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?
> *No information provided*
>
>
> *Debuggability*
> *No information provided*
>
> *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
> - "letter-spacing-percentage-001.html" file in
> https://wpt.fyi/results/css/css-text/letter-spacing -
> "word-spacing-percentage-001.html" file in
> https://wpt.fyi/results/css/css-text/word-spacing
>
> (aside, I see there are a few more relevant tests at
> https://github.com/web-platform-tests/wpt/commit/ffae172a1c2e44bddf71ca9430bc2aa519fbff6e)
>
>
>
>
> *Tracking bug*
> https://issues.chromium.org/issues/327740939
>
> *Estimated milestones*
> Shipping on desktop 145
> Shipping on Android 145
> Shipping on WebView 145
> Shipping on iOS 145
>
> *Link to entry on the Chrome Platform Status*
> https://chromestatus.com/feature/5074916059381760
>
> This intent message was generated by Chrome Platform Status
> <https://chromestatus.com/>.
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>


-- 
TAMURA Kent
Software Engineer, Google

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