Do I need an updated or newly issued Kor 2 (marriage certificate) for a Thai marriage visa extension at Cheangwathana?

The author is seeking clarification on whether an updated or newly issued Kor 2 (marriage certificate) is required when applying for a Thai marriage visa extension at the Cheangwathana immigration office. They also inquire about the experience of others who have recently obtained extensions regarding the necessity of updating their Kor 2.