Users can give detailed voice commands to applications. The system runs on its own read-only volume, separate from all other data on the Mac. Activation Lock Īctivation Lock helps prevent the unauthorized use and drive erasure of devices with an Apple T2 security chip (2018, 2019, and 2020 MacBook Pro 2020 5K iMac 2018 MacBook Air, iMac Pro 2018 Mac Mini 2019 Mac Pro). Mac apps, installer packages, and kernel extensions that are signed with a Developer ID must be notarized by Apple to run on macOS Catalina. It is designed for building device drivers in userspace, outside of the kernel.

DriverKit is a new SDK with all-new frameworks based on IOKit, but updated and modernized. DriverKit Ī replacement for IOKit device drivers, driver extensions are built using DriverKit. Catalina will be the last version of macOS to support legacy system extensions. System extensions run in userspace, outside of the kernel. There are 3 kinds of System extensions: Network Extensions, Endpoint Security Extensions, and Driver Extensions. System extensions avoid the problems of Kexts. Apple demonstrated several ported apps, including Jira and Twitter (after the latter discontinued its macOS app in February 2018).

Screenshot (succeeded Grab since Mojave)Ĭhanges System Catalyst Ĭatalyst is a new software-development tool that allows developers to write apps that can run on macOS, iOS and iPadOS.News (only available for Australia, Canada, United Kingdom, and United States).This requires using a patch to modify the install image. It is possible to install Catalina on many older Macintosh computers that are not officially supported by Apple. MacBook Pro: Mid 2012 or newer, Retina display not needed.Catalina requires 4 GB of memory, an increase over the 2 GB required by Lion through Mojave. 2010–2012 Mac Pros, which could run Mojave only with a GPU upgrade, are no longer supported. MacOS Catalina officially runs on all standard configuration Macs that supported Mojave. 3.1.9 Support for wireless game controllers.

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