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macOS Big Sur issues: 5 things to know

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The macOS Big Sur 11.6.4 update is causing issues for some Mac users.

Apple has released a new macOS upgrade and macOS Big Sur 11.6.4 is now available for download if you’ve been delaying making the switch to macOS Monterey. The software brings important security updates to Mac owners who are still hanging out on Big Sur.

Some Mac users notice a big difference after moving their computer from the previous version of macOS Big Sur, macOS Big Sur 11.6.3 and older versions of macOS.

On the other hand, some Mac users have encountered bugs and performance issues. Some of these issues are inherited from macOS Big Sur 11.6.3, others are brand new.

In this guide to macOS Big Sur issues, we’ll take you through the current state of affairs. We’ll show you where to find potential solutions to the most common macOS Big Sur problems and provide some resources to help you if you run into trouble.

We’ll also cover the macOS downgrade process and outline what to expect from Apple and macOS Big Sur later.

macOS Big Sur issues

As we push away from release, we’ve seen numerous complaints about macOS Big Sur 11.6.4 and older versions of macOS Big Sur. Some of the problems are minor and others are much more problematic.

Some Mac users are having trouble downloading and installing the new software. If your macOS installation freezes, try turning your Mac off and on. This usually solves the problem.

If you are experiencing installation errors and you are using a 2013 or 2014 MacBook, view this guide from Apple

We also see complaints about long download times, delays, Touch ID issues, issues with third-party and third-party apps, including: Box DriveiMessage issues, Wi-Fi issues, Bluetooth issues, freezes, freezes and crashes.

The macOS Big Sur update also blocks some older MacBook models. The issues seem to be quite widespread, affecting mostly owners of MacBook Pro models from 2013 and MacBook Pro models from mid-2014. These are the oldest MacBook models supported by macOS Big Sur.

Owners of Apple’s M1 MacBook Pros complain about a Fast User Switching bug that prevents them from closing the screensaver. This will leave the device unusable until the lid is closed and reopened, the Alt-Command-Q key combination is used, or the Power/Touch ID key is pressed. To fix the problem, users should disable Fast User Switching.

In addition, macOS Big Sur users are: run into an annoying problem with the Apple News application. The popular app is reportedly causing extremely large background downloads for some users. If you are not sure if the problem is affecting your computer, you can check in Activity Monitor.

It’s unclear when or even if Apple will release a fix, so Mac users affected by the issue will be on their own for the foreseeable future. Fortunately, there is a quick manual solution available. Here’s what you need to do to fix the problem:

  • Open System Preferences on your Mac.
  • click on Apple ID in the top right corner of the menu.
  • From there, select iCloud on the left side of the screen.
  • Once there, you’ll want to scroll down and uncheck News to disable iCloud sync.
  • You can then choose to keep or delete iCloud News data on your Mac. If you choose to delete it, the data will remain on your other Apple devices.

If you’re experiencing this issue on your MacBook Pro, here’s what you’ll want to do: contact apple support because the company will solve the problem for free.

If you haven’t downloaded the latest version of macOS yet, we recommend that you prepare your Mac for the download. Some prep work ahead of time can help you avoid major headaches.

We’ve put together a step-by-step pre-installation process and it will walk you through the best way to prepare for the move.

Where to find macOS Big Sur reviews

If you are currently using macOS Big Sur 11.6.4 or are planning to upgrade, you should read the feedback from users who have downloaded it. This feedback alerts you to potential bugs and performance issues.

We recommend that you keep an eye on YouTube, Apple Discussion Forumssocial media sites such as Twitter/Facebook and the MacRumors forums for additional feedback on the performance of macOS Big Sur 11.6.4.

We’ve also compiled a list of the top reasons to install macOS Big Sur 11.6.4 on your Mac, and it’s worth checking out if you’re about to upgrade.

Fix MacOS Big Sur issues

Some issues may require a fix from Apple, but some issues you can fix yourself.

Before making an appointment at your local Apple Store, check out our list of solutions to the most common macOS Big Sur problems. We’ve also released a guide that shows you how to fix macOS Big Sur battery life issues.

If you can’t find what you’re looking for in our guides, go to Apple Discussion Forums† If they can’t help you, please contact Apple support via Twitter or with customer support through Apple’s website

If you still can’t solve your problem(s), you can make an appointment to see a Genius with you local apple store† They should be able to diagnose your problem in minutes.

macOS Big Sur downgrade

If you run into major issues on macOS Big Sur 11.6.4 or an older version of macOS Big Sur, you can downgrade your Mac’s software. There is no time limit and it is easy if you have a good backup for your Mac.

To get your Mac off your current version of macOS Big Sur, all you need to do is boot your Mac in safe mode and choose Restore from Time Machine backup.

This will take some time, so be patient, but it’s an option if you can’t wait for Apple to release the next version of macOS Big Sur.

What’s next

It’s unclear when we’ll see a new version of macOS Big Sur.

Apple will likely continue to update the operating system with new security updates throughout the year, so keep your eyes peeled for new software.

When Apple releases a new version of macOS Big Sur, it will likely come along with new macOS Monterey firmware.

The company won’t force you to install macOS Monterey on your Mac, so if you want to stick with macOS Big Sur for now, you can.

To learn more about the latest version of macOS Monterey, check out our guide.

4 reasons not to install macOS Big Sur 11.6.4 and 11 reasons why you should

Install macOS Big Sur 11.6.4 for better security

Install macOS Big Sur 11.6.4 for better security

If security is important to you, you should consider installing Apple’s macOS Big Sur 11.6.4 update now.

Apple says macOS Big Sur 11.6.4 “improves the security of macOS,” though it hasn’t detailed the patches.

If you missed previous versions of macOS, you’ll get the patches from those updates when you upgrade.

macOS Big Sur 11.6.3 delivered seven new security patches. If you are interested in the details, go to Apple’s website

If you missed the macOS Big Sur 11.6.2 update, it has brought over 30 new security patches for macOS Big Sur users. It’s quite a list and you can learn more about it at Apple’s security site

If you skipped macOS Big Sur 11.6.1, you’ll get the patches when you upgrade your Mac. You can find more information about those patches at the company security site

If you missed macOS Big Sur 11.6, it had two important security patches on board. You can read about both at Apple’s security website

If you missed macOS Big Sur 11.5.1, it brought a brand new security patch to Macs. You can read more about it on Apple’s website

If you missed macOS Big Sur 11.5, the update includes 35 new security patches that help protect your Mac from harm. If you are interested in the details, check out the company security site

If you missed macOS Big Sur 11.4, you’ll get the update’s 50+ security patches when you upgrade. You can read more about it at Apple’s security site

If you missed macOS Big Sur 11.3.1, it had two critical security patches on board, both related to WebKit. If you want to know more about them, go to Apple’s website

If you skipped macOS Big Sur 11.3, it also had patches on board. The list included a for a vulnerability that escaped built-in malware protection. For more information about macOS Big Sur 11.3 patches, visit Apple’s security site

If you missed previous versions of macOS, consider upgrading so you get their security patches too.

macOS Big Sur 11.2.3 brought one security patch for Mac users. You can read more about it on Apple’s website

macOS Big Sur 11.2.1 had three security patches on board. You can read more about it at his security website

macOS Big Sur 11.2 had a lot of patches on board and you can learn more about them here

If you missed macOS Big Sur 11.1, it had 51 security patches on board. You can read about it here

macOS Big Sur 11.1 also included a new privacy information section on App Store pages with a developer-reported summary of the app’s privacy practices.

If you move from macOS Catalina, you get the 50+ security patches of macOS Big Sur 11.0.1. If you are interested in these improvements, you can: Read more about it on Apple’s website

In addition to these patches, macOS Big Sur comes with additional security and privacy upgrades, including improvements to the App Store and Safari.

In Safari, you can now tap the Privacy Report button to better understand how websites handle your privacy.

With macOS Big Sur on board, you can now get information in the App Store that will help you understand the privacy practices of apps before you download them.

Researchers also found that Apple has brought a new “BlastDoor” sandbox security system to macOS Big Sur, iOS 14, and iPadOS 14. The purpose of the system is to prevent attacks via the Messages app.

You can read more about “BlastDoor” here

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