Hi Alex. 

Yes, there’s been interest. Signals so far:

   - Thomas Steiner tried ::highlight(*) before it existed 
   <https://github.com/w3c/csswg-drafts/issues/9091#issuecomment-2703505587>, 
   to share text-decoration declarations across spelling and punctuation 
   highlights. 
   - Bramus supported the syntax in the same issue 
   <https://github.com/w3c/csswg-drafts/issues/9091#issuecomment-2704411823>, 
   citing ::view-transition-group(*) as precedent. On Bluesky 
   <https://bsky.app/profile/bram.us/post/3mwsj3yqnh22i> he called it “the 
   one remaining thing with custom highlights that I found missing”. 
   - Indirectly, MDN’s ::highlight() example 
   
<https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Selectors/::highlight#highlighting_characters>
 
   repeats text-decoration.
   - Custom highlights have no UA default style 
   <https://github.com/w3c/csswg-drafts/issues/6375#issuecomment-884320559>, 
   so today every name needs its own rule. 

Additionally, Mozilla engineers emilio 
<https://github.com/mozilla/standards-positions/issues/1460#issuecomment-5916023045>
 
and jnjaeschke 
<https://github.com/mozilla/standards-positions/issues/1460#issuecomment-6124281195>
 
consider it reasonable in the standards-positions issue.

On Thursday, October 15, 2026 at 12:21:42 AM UTC+9 Alex Russell wrote:

> As discussed at API OWNERS, it seems strange that we don't have any 
> developer interest for this. Presumably folks are asking for this, right?
>
> On Wednesday, October 14, 2026 at 2:02:55 AM UTC-7 Chromestatus wrote:
>
>> *Contact emails*
>> [email protected]
>>
>> *Explainer*
>> *No information provided*
>>
>> *Specification*
>>
>> https://drafts.csswg.org/css-pseudo-4/#selectordef-highlight-highlight-name-selector
>>  
>>
>> *Summary*
>> Introduces a universal selector for custom highlights, ::highlight(*), 
>> which matches the highlight pseudo-elements of all custom highlights 
>> regardless of their name. The * argument contributes zero specificity, so 
>> its declarations act as a base style that rules naming a specific highlight 
>> override through the cascade. 
>>
>> *Blink component*
>> Blink>CSS 
>> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ECSS%22>
>>
>> *Web Feature ID*
>> Missing feature 
>>
>> *Motivation*
>> Styling shared properties across custom highlights requires repeating the 
>> same declarations for every registered name. The CSSWG resolved to allow 
>> ::highlight(*). 
>>
>> *Initial public proposal*
>> https://github.com/w3c/csswg-drafts/issues/9091
>>
>> *Search tags*
>> Custom Highlight <http:///features#tags:Custom%20Highlight>
>>
>> *TAG review*
>> *No information provided* 
>>
>> *TAG review status*
>> Pending
>>
>> *Goals for experimentation*
>> None 
>>
>> *Risks*
>>
>>
>> *Interoperability and Compatibility*
>> *No information provided* 
>>
>> *Gecko*: Under consideration (
>> https://github.com/mozilla/standards-positions/issues/1460)
>>
>> *WebKit*: No signal (
>> https://github.com/WebKit/standards-positions/issues/728)
>>
>> *Web developers*: No signals
>>
>> *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 
>>
>>
>> *Flag name on about://flags*
>> *No information provided* 
>>
>> *Finch feature name*
>> *No information provided* 
>>
>> *Non-finch justification*
>> *No information provided*
>>
>> *Rollout plan*
>> Will ship enabled for all users
>>
>> *Requires code in //chrome?*
>> False
>>
>> *Tracking bug*
>> https://issues.chromium.org/issues/408003366
>>
>> *Estimated milestones*
>> Shipping on desktop 158 
>> Shipping on Android 158 
>> Shipping on WebView 158 
>>
>> *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). 
>> *No information provided*
>>
>> *Link to entry on the Chrome Platform Status*
>> https://chromestatus.com/feature/5174965228929024?gate=6101897755885568
>>
>> *Links to previous Intent discussions*
>> Intent to Prototype: 
>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/6a7e62a2.2164c308.b1fa7.0128.GAE%40google.com
>>
>>
>> This intent message was generated by Chrome Platform Status 
>> <https://chromestatus.com>. 
>>
>

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