Breaking: #76879 - Remove unused properties from PageTreeView 

See forge#76879

Description 

The following unused properties have been removed from the PageTreeView class:

  • ext_separateNotinmenuPages
  • ext_alphasortNotinmenuPages

Impact 

Extensions which use one of the public properties above will throw a fatal error.

Affected Installations 

All installations with a 3rd party extension using one of the classes above.

Migration 

No migration available.