Yes, you can run Xcode 12 with the current macOS, Catalina. It will work perfectly, although you can update to the developer beta of Big Sur. Yes, it supports Catalina. I recommend using the latest Big Sur beta, however, so that you can update your app to support the latest technologies. Question: Q: macOS Catalina keeps verifying xcode at startup Hello, since I have installed macOS Catalina, every startup is extremely slow since it keeps verifying apps it has already verified (such as xcode). Jun 04, 2019 Download and Install macOS Catalina. Install Xcode 11 Beta. SwiftUI Tutorial. Create a new APFS Volume. Open up Disk Utility — you can use spotlight by pressing cmd+space: Now right click your main hard drive — it is most likely called Macintosh HD and select Add APFS Volume. Dec 11, 2019 Mac users with macOS Mojave and macOS Catalina, and new operating systems in place can now install Command Line Tools from the Xcode IDE without needing to install the entire Xcode package, or opening an Apple developers account.

If you're using one of these computers with OS X Mavericks or later, you can install macOS Catalina. Your Mac also needs at least 4GB of memory and 12.5GB of available storage space, or up to 18.5GB of storage space when upgrading from OS X Yosemite or earlier. Learn how to upgrade to macOS Catalina.

MacBook Pro

• MacBook Pro (13-inch, 2020, Two Thunderbolt 3 ports)
• MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports)
• MacBook Pro (16-inch, 2019)
• MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports)
• MacBook Pro (15-inch, 2019)
• MacBook Pro (13-inch, 2019, Four Thunderbolt 3 ports)
• MacBook Pro (15-inch, 2018)
• MacBook Pro (13-inch, 2018, Four Thunderbolt 3 ports)
• MacBook Pro (15-inch, 2017)
• MacBook Pro (13-inch, 2017, Four Thunderbolt 3 ports)
• MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports)
• MacBook Pro (15-inch, 2016)

• MacBook Pro (13-inch, 2016, Four Thunderbolt 3 ports)
• MacBook Pro (13-inch, 2016, Two Thunderbolt 3 ports)
• MacBook Pro (Retina, 15-inch, Mid 2015)
• MacBook Pro (Retina, 15-inch, Mid 2015)
• MacBook Pro (Retina, 13-inch, Early 2015)
• MacBook Pro (Retina, 15-inch, Mid 2014)
• MacBook Pro (Retina, 13-inch, Mid 2014)
• MacBook Pro (Retina, 15-inch, Late 2013)
• MacBook Pro (Retina, 15-inch, Early 2013)
• MacBook Pro (Retina, 13-inch, Late 2013)
• MacBook Pro (Retina, 13-inch, Early 2013)
• MacBook Pro (Retina, 15-inch, Mid 2012)
• MacBook Pro (15-inch, Mid 2012)
• MacBook Pro (Retina, 13-inch, Late 2012)
• MacBook Pro (13-inch, Mid 2012)

MacBook Air

• MacBook Air (Retina, 13-inch, 2020)
• MacBook Air (Retina, 13-inch, 2019)
• MacBook Air (Retina, 13-inch, 2018)
• MacBook Air (13-inch, 2017)
• MacBook Air (13-inch, Early 2015)
• MacBook Air (11-inch, Early 2015)

• MacBook Air (13-inch, Early 2014)
• MacBook Air (11-inch, Early 2014)
• MacBook Air (13-inch, Mid 2013)
• MacBook Air (11-inch, Mid 2013)
• MacBook Air (13-inch, Mid 2012)
• MacBook Air (11-inch, Mid 2012)

MacBook

• MacBook (Retina, 12-inch, 2017)
• MacBook (Retina, 12-inch, Early 2016)

Macos Catalina Xcode Won't Update

iMac Pro

iMac

• iMac (Retina 5K, 27-inch, 2020)
• iMac (Retina 5K, 27-inch, 2019)
• iMac (Retina 4K, 21.5-inch, 2019)
• iMac (Retina 5K, 27-inch, 2017)
• iMac (Retina 4K, 21.5-inch, 2017)
• iMac (21.5-inch, 2017)
• iMac (Retina 5K, 27-inch, Late 2015)
• iMac (Retina 4K, 21.5-inch, Late 2015)
• iMac (21.5-inch, Late 2015)

• iMac (Retina 5K, 27-inch, Mid 2015)
• iMac (Retina 5K, 27-inch, Late 2014)
• iMac (21.5-inch, Mid 2014)
• iMac (27-inch, Late 2013)
• iMac (21.5-inch, Late 2013)
• iMac (27-inch, Late 2012)
• iMac (21.5-inch, Late 2012)

Mac mini

Mac Pro

This version The latest release version is 3.2.2

'Unknown developer' error when installing (Mac OS X 10.7 and later)

If you get the message that the FPC installer was created by an unknown developer and cannot be opened, right-click (or ctrl-click) on the installation package and choose 'Open' in the contextual menu. If this does not work, you may first have to go to 'System Preferences' -> 'Security & Privacy' -> 'General', and 'Allow apps downloaded from: Mac App Store and Identified developers'. These workarounds are required because we do not pay Apple 99 euro per year, which would prove you can trust us.

Xcode 11+ compatibility (macOS 10.15 Catalina and later)

FPC 3.2.2 is qualified for use with Mac OS X 10.4 till macOS 11. Xcode 11+ no longer includes support for compiling Intel 32 bit programs. If you wish to compile such programs, you will have to copy an older Mac OS X SDK from a previous Xcode installation and point the compiler to it with the -XR command line parameter.

Xcode 10+ compatibility (macOS 10.14 Mojave and later)

FPC 3.2.2 is qualified for use with Mac OS X 10.4 till macOS 11. Xcode 10+ installs some command line file in different locations compared to previous releases. If you already installed FPC under a previous Mac OS X/OS X/macOS version, you will have to reinstall FPC 3.2.2 under macOS 10.14 to get a configuration file that enables the compiler to find the necessary files). See also the section below on how to install the command line tools.

Xcode 5+ compatibility (OS X 10.9 and later; for OS X 10.8, see below)

FPC 3.2.2 is qualified for use with Mac OS X 10.4 till macOS 11. Xcode 5 and later however no longer install the command line tools by default, which are required by FPC. To install them manually, open '/Applications/Utilities/Terminal', execute xcode-select --install and choose 'Install'. Afterwards, FPC will function correctly.

Xcode 4.3-5.x compatibility (Mac OS X 10.7/OS X 10.8)

FPC 3.2.2 is qualified for use with Mac OS X 10.4 till macOS 11. Xcode 4.3 and later however no longer install the command line tools by default, which are required by FPC. To install them manually, open Xcode, go to Preferences, select 'Downloads;' and install the 'Command Line Tools'. Afterwards, FPC will install and function correctly.

Xcode 3.2.x-4.2 compatibility (Mac OS X 10.6)

FPC 3.2.2 is qualified for use with Mac OS X 10.4 till macOS 11. There is however an issue when compiling dynamic libraries with FPC under Mac OS X 10.6 due to a bug in the Xcode 3.2.x linker. This bug has been fixed in Xcode 4. You can work around the bug in Xcode 3.2.x by using the

Macos Catalina Patcher

-k-no_order_inits command line parameter when compiling a dynamic library.

Download the 3.2.2 release in 1 big file:

• fpc-3.2.2.intelarm64-macosx.dmg (274 MB)contains an installation package for compiling Intel (32 bit and 64 bit) and ARM64 programs.
  
• fpc-3.2.2.intel-macosx.cross.powerpc-macosx.dmg (132 MB)contains an add-on installation package for compiling PowerPC (32 and 64 bit) programs.
  
• fpc-3.2.2.intel-macosx.cross.ios.dmg (184 MB)contains an installation package for compiling iPhone/iPod Touch/iPad programs.
  
• fpc-3.2.2.intel-macosx.cross.jvm.dmg (12 MB)contains an add-on installation package for compiling JVM programs.
  

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