Earlier this year, Apple announcedits newest IOS 14.5 update. Although it offers many new features for Appleusers, these may affect eCommerce advertisers. More prominently, eCommerceadvertisements on Facebook. If your eCommerce business leverages Facebook adsas part of its marketing strategy, you may have difficulty navigating the newIOS 14.5 update. This is due to changes in tracking, attribution,(re)targeting, conversions, and reporting.