Breaking: #83284 - Removed EXT:backend/Resources/Private/Templates/Close.html
See forge#83284
Description
The file EXT: has been removed.
Impact
Accessing the file EXT: will result in an empty
string returned or an exception, depending on the code to access it.
Affected Installations
All instances, that manually access this file or use the extensions doing this.. The extension scanner of the install tool will find affected extensions.
Migration
Use the file EXT: instead.