[wp-trac] [WordPress Trac] #48775: After upgrading to wordpress 5.3, gutenberg blocks started cutting off custom classes

[WordPress Trac]

#48775: After upgrading to wordpress 5.3, gutenberg blocks started cutting off
custom classes
--------------------------+-----------------------------
 Reporter:  vernalis      |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  5.3
 Severity:  normal        |   Keywords:
  Focuses:                |
--------------------------+-----------------------------
 After upgrading to wordpress 5.3, gutenberg blocks started cutting off
 custom classes.
 Example Block Group:
 {{{
 <div class=""><div class="wp-block-group__inner-container">
 <h2 class="has-000-color has-text-color" id="block-
 72971c03-5af3-4e54-af66-4d40608b2079">Section 01</h2
 </div></div>
 }}}
 The same behavior occurs with the other blocks

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Ticket URL: <https://core.trac.wordpress.org/ticket/48775>
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