[wp-trac] [WordPress Trac] #55380: Updating from 5.8.2 to 5.9.2 breaks default website (no additional plugins)

[WordPress Trac]

#55380: Updating from 5.8.2 to 5.9.2 breaks default website (no additional plugins)
-----------------------------+-----------------------------
 Reporter:  rinart73         |      Owner:  (none)
     Type:  defect (bug)     |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Upgrade/Install  |    Version:  5.9.2
 Severity:  major            |   Keywords:
  Focuses:                   |
-----------------------------+-----------------------------
 I wanted to test some plugins on my local server. I had old WordPress
 5.8.2 archive. I installed it and then it automatically updated.
 Immediatelly after that my website broke. I didn't install any additional
 plugins.

 Server: Apache 2.4
 PHP: 7.4
 MySQL: 8.0

 {{{
 Fatal error: Uncaught Error: Call to a member function switch_to_blog() on
 null in C:\OpenServer\domains\visualelementor.nodomain.me\wp-
 includes\cache.php:239 Stack trace: #0
 C:\OpenServer\domains\visualelementor.nodomain.me\wp-
 includes\load.php(727): wp_cache_switch_to_blog() #1
 C:\OpenServer\domains\visualelementor.nodomain.me\wp-settings.php(131):
 wp_start_object_cache() #2
 C:\OpenServer\domains\visualelementor.nodomain.me\wp-config.php(95):
 require_once('C:\\OpenServer\\d...') #3
 C:\OpenServer\domains\visualelementor.nodomain.me\wp-load.php(50):
 require_once('C:\\OpenServer\\d...') #4
 C:\OpenServer\domains\visualelementor.nodomain.me\wp-admin\admin.php(34):
 require_once('C:\\OpenServer\\d...') #5
 C:\OpenServer\domains\visualelementor.nodomain.me\wp-admin\index.php(10):
 require_once('C:\\OpenServer\\d...') #6 {main} thrown in
 C:\OpenServer\domains\visualelementor.nodomain.me\wp-includes\cache.php on
 line 239

 Fatal error: Uncaught Error: Call to undefined function __() in
 C:\OpenServer\domains\visualelementor.nodomain.me\wp-includes\class-wp-
 fatal-error-handler.php:188 Stack trace: #0
 C:\OpenServer\domains\visualelementor.nodomain.me\wp-includes\class-wp-
 fatal-error-handler.php(152):
 WP_Fatal_Error_Handler->display_default_error_template() #1
 C:\OpenServer\domains\visualelementor.nodomain.me\wp-includes\class-wp-
 fatal-error-handler.php(57):
 WP_Fatal_Error_Handler->display_error_template() #2 [internal function]:
 WP_Fatal_Error_Handler->handle() #3 {main} thrown in
 C:\OpenServer\domains\visualelementor.nodomain.me\wp-includes\class-wp-
 fatal-error-handler.php on line 188
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/55380>
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