At its Worldwide Developers Conference (WWDC) 2019 event Apple disclosed the 'next variant' of its operating system for Macs dubbed as macOS Catalina.

Being quite a progressive upgrade over the macOS 10 Mojave operating system and will be made accessible to eligible Mac users in fall 2019 while the public beta for macOS Catalina is scheduled to arrive in July 2019.

The expansion of the cross platform applications under Project Catalyst is a component that was first presented with macOS Mojave and iOS 12 for the organization's own applications and is considered as one of the biggest one.

Through iOS 13 and, Apple will now enable its developers to use this element for testing their very own applications for compatibility.

Aside from the introduction of macOS Catalina, Apple additionally displayed its new 'Find My' app likewise to be made accessible to iOS. The 'Find My' app incorporates yet another network feature system with the assistance of which consumers can track their Apple devices notwithstanding when they are not connected with the internet.

As a piece of the company's new cross platform application initiative, a large number of new and upgraded applications, including Apple Music, Podcasts, Books, TV and Reminders have likewise been brought into highlight.

While the music and TV apps are the new ones, the podcasts, Books and Reminders apps are simply overhauled. The Music app is known to have been supplanting iTunes, which has been being used for a long time now.

Notwithstanding this, the other updations made by Apple incorporates features like Sidecar, RealityKit and the Swift UI.

While the Sidecar is introduced with macOS Catalina, with the capacity to send any app to an external display, which includes connected monitors and iPads. The RealityKit feature accessible in Apple's AR Kit 3 can be accessed by developers within Xcode and numerous apps like Minecraft have already begun utilizing it.

Finally the Swift UI feature is the successor to the Swift code language Apple presented a couple of years prior, this element makes it a lot simpler for the developers to code apps for the majority of Apple's platforms and the X code -preview highlight displays how the apps will look like, in real life.