| D | ↘ | F | WC_Stripe_Customer got worse |
| ⇢ | C | WC_Stripe_Intent_Controller::create_setup_intent() added | |
| ⇢ | B | WC_Stripe_Customer::attach_source() added | |
| ⇢ | A | WC_Stripe_Customer::is_source_already_attached_err... added | |
| C | ↗ | B | WC_Stripe_Customer::add_source() improved |