https://wccftech.com/apple-releases-beta-1-of-ios-14-4-ipados-14-4-watchos-7-3-tvos-14-4-to-developers/

Today, Apple has seen fit to release beta 1 of its upcoming iOS 14.4, iPadOS 14.4, tvOS 14.4, and watchOS 7.3 to the developer for testing purposes. If you're a developer, you can download the latest beta build right now from Apple's developer website. The latest update arrives two days after the company released iOS 14.3, iPadOS 14.3, tvOS 14.3, and watchOS 7.2 to the general public. Let's dive in to see what we can expect from the latest beta builds.

Starting off with iOS 14.4 and iPadOS 14.4, if you're a developer, you can download the latest build on your compatible iPhone and iPad models through the Apple Developer Center or via over the air mechanism. However, be sure to install the appropriate configuration profile from the Apple Developer Center. At this point in time, it might be too early to ask if Apple has added anything new in beta 1 of iOS 14.4 and iPadOS 14.4.