Thank you - I've transferred the approvals from the old entry to the new
one.
On 11/5/25 9:07 a.m., Minseong Kim wrote:
Oh, I've created a new chromestatus entry and sent an Intent to Ship
mail. He doesn't need to convert this on the backend. Thanks for your
help!
https://chromestatus.com/feature/5106867491700736
2025년 11월 5일 (수) 오후 10:51, Mike Taylor <[email protected]>님이
작성:
I wonder if Jason Robbins (cc'd) could convert this on the
backend, so Minseong doesn't have to request new reviews, etc.
On 11/4/25 7:29 p.m., TAMURA, Kent wrote:
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
<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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