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5 Things to Know About the macOS Big Sur 11.2.3 Update

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Apple’s pushed an macOS Big Sur 11.2.3 update to Mac users.

macOS Big Sur 11.2.3 is another point release and it brings a security patch to Macs. It’s a small upgrade, but it’s an important one.

With that in mind, we want to take you through everything there you need to know about the newest version of macOS Big Sur for Mac.

In this guide we’ll take you through the macOS Big Sur 11.2.3 update’s performance, the current list of macOS Big Sur 11.2.3 problems, the best places to find feedback about macOS Big Sur 11.2.3 problems, and more.

We’ll start with our impressions of macOS Big Sur 11.2.3 update’s performance on Mac.

macOS Big Sur 11.2.3 Review

If your Mac is currently running macOS Big Sur 11.2.2, macOS Big Sur 11.2.3 requires a fairly large download. The exact macOS Big Sur 11.2.3 download size varies based on your Mac model and the version of macOS its running.

If your Mac is already running macOS Big Sur 11.2.2, the installation should around 15 minutes to complete. It took right around 15 minutes on a MacBook Pro (2017).

For more on the macOS Big Sur 11.2.3 download and installation, take a look at our guide.

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

We’ve been using the macOS Big Sur 11.2.3 update on a MacBook Pro (2017) for several days and here’s what we’ve noticed about its performance in key areas:

Connectivity

  • Battery life is currently stable.
  • Wi-Fi connectivity is fast and reliable.
  • Bluetooth is working normally.

App Performance

  • Third-party apps including Twitter, Slack, Asana, Gmail, Chrome, and Spotify are working fine at the moment.
  • First party apps like Safari and Podcasts are also stable.

Speed

  • macOS Big Sur 11.2.3 feels as fast as macOS Big Sur 11.2.2.

If your Mac is currently struggling on macOS Big Sur 11.2.2, or an older version of macOS, you might want to install macOS Big Sur 11.2.3 on your device right now.

If you need help making a decision, check out our reasons to, and not to, install the macOS Big Sur 11.2.3 update. It will help you decide if you should make a move now or wait.

macOS Big Sur 11.2.3 Problems

The macOS Big Sur 11.2.3 update is causing problems for some Mac users.

Mac users are complaining about installation issues, UI lag, issues with first and third-party apps, abnormal battery drain, iMessage issues, Wi-Fi problems, lockups, freezes, and crashes.

If you decide to download the macOS Big Sur 11.2.3 update on your Mac, and you encounter bugs and/or performance issues, here are a few resources that could help.

Before you get in touch with Apple, check out our fixes for the most common macOS Big Sur problems. We’ve also released a guide that will show you how to fix macOS Big Sur battery life problems.

If you can’t find what you’re looking for in our guides, head over to Apple’s discussion forums. If they can’t help you, you might want to get in contact with Apple Support via Twitter or with customer support via Apple’s website.

If you still can’t fix your issue(s), you might want to schedule an appointment to see a Genius at your local Apple Store.

macOS Big Sur 11.2.3 Update: What’s New

Apple’s point updates (x.x.x) typically bring bug fixes to the company’s Mac line, but macOS Big Sur 11.2.3 doesn’t have any known fixes on board. It doesn’t have any new features either.

Instead, macOS Big Sur 11.2.3 is focused on patching up a potential security risk. You can read more about that change over on Apple’s website.

You Can Downgrade from macOS Big Sur 11.2.3

If you run into problems on macOS Big Sur 11.2.3, you can downgrade your Mac’s software back to an older version if you think that would help.

There is no time frame for this to expire so if you decide you need to go back, it’s fairly easy to do if you are prepared. Here’s our guide to downgrade and it will help you understand the process and get the job done.

Next macOS Big Sur Update

Apple’s working on a new version of macOS Big Sur.

The company’s confirmed a new macOS Big Sur 11.3 update and the software is in beta testing ahead of an official release later on this month.

macOS Big Sur 11.3 is a milestone upgrade which means it will carry new features, bug fixes, and security patches for Mac computers. It looks like a substantial upgrade.

If you don’t want to wait for Apple’s official macOS Big Sur 11.3 release, you can download the beta onto your Mac right now. That said, with the official release right around the corner, we recommend staying on stable software.

For more on macOS Big Sur 11.3 and the beta, check out our guide.

It’s also worth noting that Apple’s also put a macOS Big Sur 11.4 update into beta testing. The update has one big change on board though we could see Apple tack on additional changes as it progresses through the beta process.

For more on macOS Big Sur 11.4, have a look at our walkthrough.

4 Reasons Not to Install macOS Big Sur 11.5.1 & 11 Reasons You Should

Install macOS Big Sur 11.5.1 for Better Security

Install macOS Big Sur 11.5.1 for Better Security

If security is important to you, you should think about installing Apple's macOS Big Sur 11.5.1 update right now.

macOS Big Sur 11.5.1 brings 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 carried 35 new security patches that will help protect your Mac from harm. If you're interested in the details, check out the company's 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 them over on Apple's security site

If you missed macOS Big Sur 11.3.1, it had two crucial security patches on board, both related to WebKit. If you want to learn more about them, head over to Apple's website

If you skipped macOS Big Sur 11.3, it also had patches on board. The list included one for a vulnerability that escaped built-in malware protections. For more on macOS Big Sur 11.3's patches, head on over to Apple's security site

If you missed earlier versions of macOS, you'll want to consider upgrading so you get their security patches as well. 

macOS Big Sur 11.2.3 brought one security patch to 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 about them over on its security website.

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

If you missed macOS Big Sur 11.1, it had 51 security patches on board. 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 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

2 Comments

2 Comments

  1. David E. Safir

    03/09/2021 at 11:31 am

    Definitely glitchy to install. After a couple stalled attempts I followed a couple recommendatins that finally worked. First, unclick “Automatically Keep My Mac Up To Date, then restart in Safe Mode (restart hold down the shift key), then try to install, that worked for me.

  2. Atul Host

    03/16/2021 at 9:51 am

    This update was just security and a bit of performance fix. Nothing special.

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