Adding custom field and form to email and landing pages in 4.4

The {} to add custom form and fields in not working anymore how do i add

Hi, im on the phone, so cant search, but go to github, milestone 4.4.1 + check the PRs. One of them fixes it.

I have checked all closed and open but did not find the solution

Hi Joey could you please share the link since i am not able to find the solution

Hi, sure it was this one: