[wp-trac] [WordPress Trac] #63451: Flag emoji rendering issue on Windows environment

[WordPress Trac]

#63451: Flag emoji rendering issue on Windows environment
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 Reporter:  kimjiwoon     |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Emoji         |     Version:
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by peterwilsoncc):

 == Reproduction Report
 === Description

 I've attempted to reproduce this without success.

 Using Chrome 139 on Windows 10 (via Browserstack), the emoji initially
 render as black flags due to a lack of system support but are subsequently
 replaced with the Twemoji images when rendered on the front end of the
 site.

 In the Block editor the Twemoji script doesn't run so the render as black
 flags there but not for readers of the site.

 @kimjiwoon if you're seeing this issue on the front-end of the site, are
 you able to provide further details about the browser and operating system
 versions?


 === Environment
 - WordPress: 6.9-alpha-60093-src
 - PHP: 8.3.23
 - Server: nginx/1.18.0
 - Database: mysqli (Server: 8.0.36-0ubuntu0.22.04.1 / Client: mysqlnd
 8.3.23)
 - Browser: Chrome 139.0.0.0 via BrowserStack
 - OS: Windows 10/11
 - Theme: Twenty Twenty-Five 1.3
 - MU Plugins:
   * cpt-test.php
   * _admin_bar_show_cache.php
   * _qm-mappings.php
 - Plugins:
   * Query Monitor 3.19.0
   * Test Reports 1.2.0

 === Actual Results
 Unable to reproduce

 === Supplemental Artifacts
 See [attachment:"Screenshot 2025-08-12 at 10.22.09 am.png"]

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Ticket URL: <https://core.trac.wordpress.org/ticket/63451#comment:4>
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