About IDFA messages

`deliver` fails if IDFA is set · Issue #21998 idfa IDFA stands for Identifier for Advertisers It is a unique, resettable ID assigned by Apple to each iOS device, used to track user activity idfa android According to an analysis of nearly 1 billion iOS non-organic app installs in Q1 2023, 27% have an IDFA — that is, they were attributed by ID

what is idfa Adopt Apple's SKAdNetwork framework to support app-install campaigns The potential absence of IDFA in the iOS environment will make it