We use scrutinizer to inspect our code. Here is one "bug" related to phpdoc:
<?php
*
* @method \Cake\Database\Type\DateTimeType[] useImmutable()
*/
Type::build('time')->useImmutable();
Error message:
The method useImmutable() does not exist on Cake\Database\Type. It seems like you code against a sub-type of Cake\Database\Type such as Cake\Database\Type\DateTimeType.