Conditional Form Won't Render When Checkbox Is Unchecked, Safari Bug (12.2). Works Fine In Chrome And Firefox

I have form with billing address and below a checkbox that by default sets shipping address to the same as the billing address. When the user un-checks the checkbox, the same form

Solution 1:

Change this:

@input="input()"

to this:

@change="input"

Safari doesn't have an input event on the HTML Checkbox element