[ 'Connections' => [ 'Default' => [ 'charset' => 'utf8', 'driver' => 'mysqli', ], ], ], 'FE' => [ 'disableNoCacheParameter' => true, 'cacheHash' => [ 'enforceValidation' => true, ], ], 'SYS' => [ 'sitename' => 'New TYPO3 site', 'UTF8filesystem' => true, 'features' => [ 'frontend.cache.autoTagging' => true, // only file extensions configured in 'textfile_ext', 'mediafile_ext', 'miscfile_ext' are accepted 'security.system.enforceAllowedFileExtensions' => true, ], ], ];