[wp-trac] [WordPress Trac] #64729: Missing “Live Preview” button for block themes after installation on the “Add Themes” screen

[WordPress Trac]

#64729: Missing “Live Preview” button for block themes after installation on the
“Add Themes” screen
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 Reporter:  huzaifaalmesbah  |       Owner:  (none)
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  7.0
Component:  Themes           |     Version:  6.9
 Severity:  normal           |  Resolution:
 Keywords:  needs-patch      |     Focuses:
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Comment (by huzaifaalmesbah):

 == Reproduction Report

 === Environment
 - WordPress: 6.9.1
 - PHP: 8.2.30
 - Server: nginx/1.29.4
 - Database: mysqli (Server: 9.5.0 / Client: mysqlnd 8.2.30)
 - Browser: Chrome 145.0.0.0
 - OS: macOS
 - Theme: Twenty Twenty-Five 1.4
 - MU Plugins: None activated
 - Plugins:
   * Test Reports 1.2.1

 === Steps taken
 1. Navigate to Appearance → Themes → Add New Theme.
 2. Use any of the following:
  - Click the **Block Themes** tab, OR
  - Search for a keyword (e.g., "hello")
 3. click the Install button.
 4. Wait for the installation to complete.
 5. Observe that the button updates to "Activate", but there is no "Live
 Preview" button.
 6. 🐞 Bug occurs


 === Screenshots/Screencast with results
 - **Screencast:** https://files.catbox.moe/uoea8n.mp4
 [[Image(https://i.ibb.co/1t2M5YdM/Huzaifa-20260227003016.png)]]
 [[Image(https://i.ibb.co/7NgF4w0V/Huzaifa-20260227003516.png)]]

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Ticket URL: <https://core.trac.wordpress.org/ticket/64729#comment:6>
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