[wp-trac] [WordPress Trac] #64343: fatal errors after updating to 6.9

[WordPress Trac]

#64343: fatal errors after updating to 6.9
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 Reporter:  bdubb         |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  6.9
 Severity:  critical      |   Keywords:  needs-patch
  Focuses:                |
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 nothing works now. admin/front end. just broken



 `Fatal error: Uncaught Error: Call to undefined function
 wp_is_valid_utf8() in /var/www/html/wp-includes/formatting.php:2287`

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Ticket URL: <https://core.trac.wordpress.org/ticket/64343>
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