[wp-trac] [WordPress Trac] #59718: Short-term (WP 6.4) hotfix to prevent fatal error in standalone Gutenberg (<16.5)

[WordPress Trac]

#59718: Short-term (WP 6.4) hotfix to prevent fatal error in standalone Gutenberg
(<16.5)
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 Reporter:  rebasaurus               |       Owner:  (none)
     Type:  defect (bug)             |      Status:  new
 Priority:  normal                   |   Milestone:  6.4
Component:  Upgrade/Install          |     Version:
 Severity:  critical                 |  Resolution:
 Keywords:  reporter-feedback close  |     Focuses:
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Comment (by rebasaurus):

 Hi @jorbin, thanks for taking the time to discuss this. In my testing,
 https://core.trac.wordpress.org/changeset/56575 simply changing the
 property from `protected` to `private` seems to resolve the fatal. Is that
 something that can be considered for the next RC?

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Ticket URL: <https://core.trac.wordpress.org/ticket/59718#comment:12>
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