The max file size upload information is wrong inside the Media Library

[imath]

See https://wordpress.org/support/topic/mp4-filetype-not-allowed/

[imath]

The BP Attachments plugin is using the bp_attachments_get_max_upload_file_size() BuddyPress function to get the max upload file size.

To raise or lower it, you can use this filter:

function filter_example_bp_attachments_get_max_upload_file_size( $max_file_size, $type = '' ) {
	if ( 'media' === $type ) {
		$max_file_size = wp_max_upload_size();
	}

	return $max_file_size;
}
add_filter( 'bp_attachments_get_max_upload_file_size', 'filter_example_bp_attachments_get_max_upload_file_size', 10, 2 );