'imagesPerRow' => 0, // Default number of images per-row in the gallery. 0 -> Adapt to screensize
'imageWidth' => 120, // Width of the cells containing images in galleries (in "px")
'imageHeight' => 120, // Height of the cells containing images in galleries (in "px")
- 'captionLength' => 25, // Length to truncate filename to in caption when using "showfilename"
+ 'captionLength' => true, // Deprecated @since 1.28
+ // Length to truncate filename to in caption when using "showfilename".
+ // A value of 'true' will truncate the filename to one line using CSS
+ // and will be the behaviour after deprecation.
'showBytes' => true, // Show the filesize in bytes in categories
'mode' => 'traditional',
];