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4 Reasons Not to Install macOS Big Sur 11.2.3 & 11 Reasons You Should



Apple’s macOS Big Sur 11.2.3 update could have a huge impact on your Mac’s performance. While some of you should install the firmware today, others are better off waiting.

Like macOS Big Sur 11.2.2, macOS Big Sur 11.2.3 is a maintenance upgrade and it fixes a serious security issue. It doesn’t have any known features or bug fixes on board. Still, it requires a fairly large download.

Those of you dealing with issues on macOS Big Sur 11.2.2, macOS Big Sur 11.2.1, macOS Big Sur 11.2, macOS Big Sur 11.1, macOS Big Sur 11.0.1, or macOS Catalina could see a huge turnaround after installing macOS Big Sur 11.2.3. We’re already hearing about positive changes.

We’re also hearing about the bugs and performance problems plaguing Mac users.

Apple’s released a new macOS Big Sur 11.2.3 update for Mac.

Is macOS Big Sur 11.2.3 Good?

If you install macOS Big Sur 11.2.3 on your Mac, and you run into issues, you can downgrade your computer’s software in an attempt to improve its performance. Unlike iOS and iPadOS, the macOS downgrade is always open.

If you’re running macOS Big Sur 11.2.2, macOS Big Sur 11.2.1, macOS Big Sur 11.2, macOS Big Sur 11.1, macOS Big Sur 11.0.1, macOS Catalina, or an older version of macOS, and you’re feeling leery about these issues, you might want to wait for Apple’s next batch of bug fixes for macOS Big Sur-related issues.

Apple is working on a new macOS Big Sur 11.3 update and the software is currently in beta testing ahead of an official release.

We expect macOS Big Sur 11.3 to roll out alongside Apple’s iOS 14.5 and iPadOS 14.5 updates. Those updates will roll out in late April.

If you’re currently debating a move to macOS Big Sur 11.2.3, allow us to walk you through the best reasons to install the software today and the best reasons to hang around on whatever version of macOS your Mac is currently running for a little bit longer.

Install macOS Big Sur 11.2.3 for Better Security

Install macOS Big Sur 11.2.3 for Better Security

If security is important to you, you should think about installing the macOS Big Sur 11.2.3 update.

macOS Big Sur 11.2.3 brings an important security patch to Mac users. You can read more about it on Apple's website

If you skipped earlier versions of macOS, you'll get the security patches from the updates you skipped with your upgrade to macOS Big Sur 11.2.3. 

The previous version of macOS Big Sur, macOS Big Sur 11.2.1, had three security patches on board. You can read about them over on its security website.

If you skipped macOS Big Sur 11.2, you'll get its patches with your upgrade to macOS Big Sur 11.2.3. 

macOS Big Sur 11.2 included 50+ security patches. You can learn more about these patches over on the company's website. These patches will help protect your computer from harm.

If you skipped macOS Big Sur 11.1, you'll get its 51 security patches with your upgrade to macOS Big Sur 11.2.3. You can read about them right here.

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

If you're moving up from macOS Catalina, you'll also get macOS Big Sur 11.0.1's 50+ security patches. If you're interested these improvements, you can read about them over on Apple's website.

In addition to those 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 on the App Store that will help you understand the privacy practices of apps before you download them. 

Researchers also discovered that Apple brought a new "BlastDoor" sandbox security system to macOS Big Sur, iOS 14, and iPadOS 14. The system is meant to prevent attacks from occurring via the Messages app. 

You can read more about "BlastDoor" right here



  1. Cindy

    01/26/2021 at 8:08 am

    Big Sur is terrible. My computer runs so much slower I’m ready to throw it out the window. Don’t download this program.

  2. Bob Gardner

    01/26/2021 at 9:28 am

    cannot maintain connectivity of screen share. One or both of us lose screen control. constant disconnects and frequent reboots. covid forced at-home business is getting impossible with Big Sur.

    I have a brand new 2019 MacBook Pro and my partner has a fairly new 2016 MacBook Pro. We were doing just fine on Catalina then switched to Big Sur and everything went to hell…we gave it a week to settle in with all of its syncing and updating stuff but then found that performance issues and bugs like entire system shut downs and black screen and spinning wheels started happening… this is supposed to be the best hardware we can buy and yet hampered by Big Sur and its issues is causing us to rethink going back to Catalina.

  3. Trevor Martin

    02/28/2021 at 2:32 am

    I have a MacBook Pro 2016. Big Sur automatically updated and as a result I can no longer use the MBP as a clam when connected to my BenQ 2700 monitor that I need for photo editing. When I try to log into my MBP in clam mode the screen goes blank after about 10 seconds and says it is not receiving a signal. Seriously! This latest update was supposed to sort a few things out for 2019/20 MBP …. not f**k a 2016 model… Unbelievable. Thanks Apple..

  4. Richard Welliver

    03/03/2021 at 7:40 pm

    Big Sur update 11.2.1 and now 11.2.2 will not update on my iMac (Retina 4K, 21.5-inch, 2019) It seems to download but when installing i get a error message that there is a problem with my internet connection.

  5. Michelle

    03/10/2021 at 2:01 am

    I have updated my MacBook Air late 2020 to 11.2.3.
    Can’t really see any difference. Since I bought the
    new MacBook the only problem I’ve had (which is very
    annoying) is that the auto login option is greyed out
    and I cannot disable the automatic login. In Library/
    Preferences the etc. is missing.
    Surprisingly enough I installed MacOs Catalina on my
    old MacBook Air mid 2012 and it works perfectly.

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