MacOS Catalina Supplemental Update 1 Released with Bug Fixes

Oct 15, 2019 - 12 Comments

MacOS Catalina update

Apple has released the first bug fix update for MacOS Catalina, labeled as “MacOS Catalina 10.15 Supplemental Update”.

The first supplemental software update to MacOS Catalina aims to resolve some bugs and issues that some users have experienced with MacOS Catalina, including problems with initial system installation, an issue with accepting terms and conditions, and improvements to Apple Arcade game saving. Some of these issues are discussed in our overview of troubleshooting problems with macOS Catalina and appear to be resolved with this update.

Separately, Apple has also released iOS 13.1.3 and iPadOS 13.1.3 updates for iPhone and iPad.

How to Install MacOS Catalina 10.15 Supplemental Update

Mac users running MacOS Catalina can find the Supplemental Update available to download now if they’re running a prior MacOS Catalina build.

Be sure to backup the Mac with Time Machine or your backup method of choice before beginning any system software update.

  1. Go to the  Apple menu and choose “System Preferences”
  2. Select “Software Update”
  3. Choose to update the MacOS Catalina 10.15 Supplemental Update *

* Recall that you can selectively install specific software updates in MacOS, so if you only want to install this update and avoid others that is easily possible.

The software update package is about 900mb and the Mac will reboot to complete installation of.

Note this release of MacOS Catalina is still versioned as 10.15, it is not the same as an eventual MacOS 10.15.1 update.

MacOS Catalina 10.15 Supplemental Update Release Notes

Release notes accompanying the MacOS Catalina supplemental update are as follows:

The ‌macOS Catalina‌ Supplemental Update includes installation and reliability improvements, and is recommended for all users.

This update:

– Improves installation reliability of ‌macOS Catalina‌ on Macs with low disk space

– Fixes an issue that prevented Setup Assistant from completing during some installations

– Resolves an issue that prevents accepting iCloud Terms and Conditions when multiple ‌iCloud‌ accounts are logged in

– Improves the reliability of saving Game Center data when playing Apple Arcade games offline

If you are already running MacOS Catalina then you should likely install this supplemental update as soon as possible on that Mac.

If you’re still on the fence about Catalina and unsure of whether or not you should update to MacOS Catalina now, or wait, this article might be helpful for you. You can also follow our guides on preparing for MacOS Catalina, and updating and installing MacOS Catalina.

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Posted by: Paul Horowitz in Mac OS X, News

12 Comments

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  1. Jai says:

    My Mac isn’t alerting me with messages or allowing FaceTime calls. Help!

  2. John williams says:

    Catalina is junk. It auto installed on my Mac air and all I get all over my screen is warning weather app my damage your computer should be trashed However it won’t trash and neither will any of the 4 apps that came with Catalina Your instructions state to select Catalina and re-install but it won’t trash either.

  3. Flashman says:

    I too used to love updates, but this is ridiculous. More time fixing things than being productive. I was hoping the 10.15.1 update would help some, but it fails with the only thing telling me to check my internet connection, but I have 75Mbps per a speed test and no other network issues.

    • Roy says:

      Same issue, won’t complete the download & says to check my internet connection (which is fine). Anyone found a solution for this yet?

  4. Lee says:

    It is banker logic, they dont want to pay for beta testers. Instead they use the faithful or brainwashed to install these systems so they become FREE beta testers. The Mac OS is the same as Windows

  5. Steve says:

    Yay! my Softraid monitor works now.

  6. Onon1210 says:

    After update my mac Sometime will force shutdown. 「your mac because some problems to restart」

  7. Gregory Johnson says:

    Your Catalina system is costing me thousands because it has disabled the use of Serato DJ .

    • Onar0ti says:

      If you depend on software that is not compatible with macOS Catalina it’s best to avoid Catalina. There is no reason to update if your current system works, despite what Apple aggressively pushes.

      I don’t think Apple cares about the Mac anymore though and it shows

    • Mike Jones says:

      If you’re referring to something that requires 32 bit support which is no longer in catalina….that’s been highly publicized and software companies have known that was coming for literally years.

      So if you’ve been living under a rock and didn’t pay attention, well then what do you expect Apple to do? Call you personally before catalina is released and review your specific situation?

  8. Daniel says:

    Apple software seems to be in perpetual beta these recent years. I wish they would spend more time (years) in rigoruously testing, rather thatn this endless update cycle.

    Call me a curmugeon, but I really think OS X peaked at Snow Leopard and has been gradually (or not so gradually) declining. I used to love new OS releases…now, I dread them. I really wish it wasn’t so.

  9. Java Bean says:

    Not showing up. on gold master still…

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