![]() ![]() Resolves an issue that may prevent iTunes from playing media to third-party AirPlay. Adds a menu item to News for opening a story in Safari. macOS 10.13 required at least 2GB of RAM and OS X 10. This update: Adds RTT (real-time text) support for Wi-Fi calling. Though, macOS Mojave does require more powerful hardware than High Sierra. We're in the middle of an architecture migration and it's pretty messy. The macOS Mojave 10.14.2 update improves the stability, compatibility and security of your Mac, and is recommended for all users. You would do very well to nurse another couple of years out of your Classic Mac Pro as not Big Sur nor Monterey nor M1 Macs are particularly stable right now. I have a 2009 now with dual X5675 processors (lower power and quieter than either an X5680 or X5690 under a dual CPU heat sink, X5690 is fine in single CPU CMP), with 96 GB of RAM and a Radeon VII running just fine under both 10.14.6 and 11.6.1 (never installed Catalina and still prefer 10.14.6, not sure I'll use 11.6 with this computer). You also need to have the right generation of Xeon processor (you probably already have the right one). Now boot up again via USB to the installation menu (which is Boot Install macOS from YOURUSBNAME), open Terminal, then type this command and hit ENTER: Volumes/Image\ Volume/PostInstall/post. Let the installer run until complete, then it'll reboot. What's important is to upgrade the firmware from 4,1 firmware to 5,1 firmware. Boot up via USB and choose Boot Install macOS from YOURDRIVENAME. Reboot to Recovery mode (Cmd-R), and erase/reformat the internal drive to Mac OS Extended (Journaled). Using CCC, create a fully bootable copy of my Mac onto external drive 2. One of those reasons which might have stopped from the upgrade to macOS Mojave or macOS Catalina is its compatibility. In addition to more limited hardware support, later versions of the macOS do not run. I have good news for you It's quite possible to upgrade a Classic Mac Pro to 10.14.6. What i did instead, from being in my Mojave stuck in beta Mac: Create a full Time Machine backup onto external backup drive 1. The previous version of the Mac operating system is macOS 10.14 Mojave. If that's also a machine from 2010, your maximum OS is macOS 10.13.6. The macOS Mojave 10.14. ![]()
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