Apple iOS 14.4, watchOS 7.3, iPadOS 14.4 starts rolling out: What's new, compatible devices, more The iOS 14.4 update brings fixes for three vulnerabilities that 'are said to be under active attack by hackers.' Jan 27, 2021 11:19:56 IST Apple has rolled out watchOS 7.3, iOS 14.4 and iPadOS 14.4 software updates for its users. The headlining feature of watchOS 7.3 is the "Unity" watch face collection that will be available for Apple Watch Series 3 and later models. The Apple iOS 14.4 update is compatible with iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation). iOS 14.4 comes with security fixes for vulnerabilities that as described by the company, "A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited."