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Props gulamdastgir04, sabernhardt.

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Hi @Gulamdastgir-Momin! 👋

Thank you for your contribution to WordPress! 💖

It looks like this is your first pull request to wordpress-develop. Here are a few things to be aware of that may help you out!

No one monitors this repository for new pull requests. Pull requests must be attached to a Trac ticket to be considered for inclusion in WordPress Core. To attach a pull request to a Trac ticket, please include the ticket's full URL in your pull request description.

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Please include automated tests. Including tests in your pull request is one way to help your patch be considered faster. To learn about WordPress' test suites, visit the Automated Testing page in the handbook.

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Test using WordPress Playground

The changes in this pull request can previewed and tested using a WordPress Playground instance.

WordPress Playground is an experimental project that creates a full WordPress instance entirely within the browser.

Some things to be aware of

• The Plugin and Theme Directories cannot be accessed within Playground.
• All changes will be lost when closing a tab with a Playground instance.
• All changes will be lost when refreshing the page.
• A fresh instance is created each time the link below is clicked.
• Every time this pull request is updated, a new ZIP file containing all changes is created. If changes are not reflected in the Playground instance,
  it's possible that the most recent build failed, or has not completed. Check the list of workflow runs to be sure.

For more details about these limitations and more, check out the Limitations page in the WordPress Playground documentation.

Test this pull request with WordPress Playground.

Test Report

Description

This report validates that the indicated patch works as expected.

Patch tested: https://github.com/WordPress/wordpress-develop/pull/10468.diff

Environment

• WordPress: 6.9-beta4-61182-src
• PHP: 8.4.0
• Server: Apache/2.4.62 (Win64) PHP/8.4.0 mod_fcgid/2.3.10-dev
• Database: mysqli (Server: 9.1.0 / Client: mysqlnd 8.4.0)
• Browser: Firefox 144.0
• OS: Windows 11
• Theme: Twenty Twenty 2.9
• Plugins:
  • Test Reports 1.2.0

Actual Results

1. ✅ With the patch, paragraphs in the full post content of a Latest Posts block appear in the sans-serif font.

Supplemental Artifacts

Full screenshots in English:

• Front end, before patch
• Front end, with patch
• Post editor, before patch
• Post editor, with patch
• Widgets editor, before patch
• Widgets editor, with patch

Persian screenshots:

• Front end, with patch, RTL
• Post editor, with patch, RTL
• Widget editor, with patch, RTL