[wp-trac] [WordPress Trac] #56970: .is-layout-flex broken

[WordPress Trac]

#56970: .is-layout-flex broken
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 Reporter:  rsmith4321                           |       Owner:  (none)
     Type:  defect (bug)                         |      Status:  closed
 Priority:  normal                               |   Milestone:
Component:  Editor                               |     Version:  6.1
 Severity:  normal                               |  Resolution:  reported-
 Keywords:  has-screenshots reporter-feedback    |  upstream
  needs-patch has-testing-info                   |     Focuses:
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Changes (by costdev):

 * keywords:  needs-testing-info has-screenshots reporter-feedback needs-
     patch => has-screenshots reporter-feedback needs-patch has-testing-
     info


Comment:

 For those who have yet to reproduce the issue, I just reproduced the issue
 with the following steps.

 == Testing Instructions
 These steps define how to reproduce the issue, and indicate the expected
 behavior.

 === Steps to Reproduce
 1. Create a new site using **WordPress 6.0**.
 2. Navigate to `Appearance > Themes` and activate `Twenty Twenty-One`.
 3. Navigate to `Posts > Add New`. Insert a Gallery Block with three
 images.
 4. Save the post and view it on the frontend.
 5. Upgrade the site (to WordPress 6.1.1 at the time of writing).
 6. 🐞 View the same post on the frontend.

 === Expected Results
 When reproducing a bug:
 - ❌ The Gallery should display three images under each other.

 When testing a patch to validate it works as expected:
 - ✅ The Gallery should display three images beside each other.

   **Test Report Icons:**
   🐞 <= Indicates where issue ("bug") occurs.
   ✅ <= Behavior is ''expected''.
   ❌ <= Behavior is ''NOT expected''.

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Ticket URL: <https://core.trac.wordpress.org/ticket/56970#comment:42>
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