Follow one Beta test period of 1.5 months There is a three-month interval between Apple and the point release. Today, Apple officially released the 13.4 versions of iOS, iPadOS and , as well as macOS 10.15.4 and 6.2 to the public. Although many of their improvements are minor, there are some outstanding features throughout the update.

One of the most noteworthy additions is the significant expansion of iPadOS 13's previous trackpad and mouse support. Before fully supporting all models running iPadOS 13.4, it only extended to the entire system range. Limited to accessibility options. Keyboard and trackpad hybrids [such as the upcoming Magic Keyboard for iPad], A separate trackpad and a separate mouse can create a cursor that highlights and selects text and objects on the screen, paving the way for more Mac-like applications on Apple tablets.

Another major improvement is cross-platform support for new products. Universal app purchase options Support for single applications developed using Apple's shared Catalyst framework to purchase and run on Mac, iPhone, iPad, and Apple TV. The feature was enabled for developers yesterday and uses the iOS App Store as the basis for a universal app. The list of standalone Mac App Store apps may need to be abandoned in order to transition to a universal app.

Apple also added Wallet app support for the following apps Alipay, Alibaba developed a digital payment solution that can be used by 50% of China's population and has CarKey function, which can use separate or shared iPhone stored car keys to lock, unlock and operate certain NFC-equipped cars , This is a major expansion device for Normally locked NFC function. BMW is already one of the automakers with this feature.

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The update also includes multiple small adjustments to apps like Photos, TV and Messages' Memoji stickers, such as a wider range of pre-rendered faces and body expressions that can be used when sending messages. Can share folders stored in iCloud Drive, and watchOS 6.2 adds support for in-app purchasesI used to need the help of iPhone.

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Each update can be downloaded from Apple's update mechanism, which is located in the Settings app for iPhone, iPad, Apple TV, and Apple Watch, or in System Preferences on Mac. This may be the final release update of these operating systems before the proprietary version WWDC 2020, scheduled for June.