Apple has released a new macOS Big Sur 11.6.4 update.
Like its most recent predecessors, macOS Big Sur 11.6.4 is a minor release with a small list of changes for Macs still running macOS Big Sur.
With that in mind, we want to give you everything you need to know about Apple’s macOS Big Sur 11.6.4 update and its release for Mac.
In this guide, we’ll take you through macOS Big Sur 11.6.4 update performance, current list of macOS Big Sur 11.6.4 issues, best places to find feedback on macOS Big Sur 11.6.4 issues and more.
We’ll start with some quick impressions of the performance of the macOS Big Sur 11.6.4 update on Mac.
macOS Big Sur 11.6.4 Review
The download size of macOS Big Sur 11.6.4 depends on your Mac model and the version of macOS currently running. Even if your Mac is running macOS Big Sur 11.6.3, macOS Big Sur 11.6.4 requires quite a large download.
If your Mac is running macOS Big Sur 11.6.3, the installation will take less than 15 minutes. It took about 12 minutes on a MacBook Pro (2016).
Check out our guide on how to download and install macOS Big Sur 11.6.4.
We’ve been using the macOS Big Sur 11.6.4 update on a MacBook Pro (2016) for several days now and here’s what we’ve learned about its performance so far:
- The battery life is currently stable.
- Wi-Fi connectivity is fast and reliable.
- Bluetooth works normally.
- Third-party apps including Twitter, Slack, Asana, Gmail, Chrome, and Spotify are currently working fine.
- First party apps like Safari and Podcasts are also stable.
- macOS Big Sur 11.6.4 feels just as fast as macOS Big Sur 11.6.3.
If your Mac is struggling with macOS Big Sur 11.6.3 or an older version of macOS, and you still want to avoid Apple’s macOS Monterey upgrade, you might want to install macOS Big Sur 11.6.4 on your Mac and see how it performs.
If you need help making a decision, check out our reasons for installing and not installing the macOS Big Sur 11.6.4 update.
macOS Big Sur 11.6.4 Issues
macOS Big Sur 11.6.4 update is, unsurprisingly, causing problems for some Mac users.
We hear about installation issues, UI lag, issues with first and third party apps, abnormal battery drain, wifi issues, freezes, freezes and crashes.
If you decide to download the macOS Big Sur 11.6.4 update and run into issues, here are some resources that may come in handy.
Before contacting Apple customer service, check out our solutions to the most common macOS Big Sur issues. We’ve also released a guide that shows you how to fix macOS Big Sur battery life issues.
If you still can’t solve your problem(s), you can make an appointment to see a Genius with you local apple store†
macOS Big Sur 11.6.4 Update: What’s New
Again, macOS Big Sur 11.6.4 is a minor maintenance upgrade. Apple says the firmware “improves the security of macOS,” although it hasn’t detailed these patches.
You can downgrade from macOS Big Sur 11.6.4
If you’re having trouble running macOS Big Sur 11.6.4, you can downgrade your Mac’s software back to an older version if you think it might help.
There’s no time frame for this to expire, so if you decide you need to go back, it’s pretty easy to do if you’re prepared. Here’s our guide to downgrading and it will help you understand the process and get started.
It is unclear when Apple will release a new version of macOS Big Sur.
Apple will likely continue to update the operating system with new security patches throughout the year, so we should see a new version appear alongside the new version of macOS Monterey.
The company won’t force you to install macOS Monterey on your Mac, so if you’d like to stay on macOS Big Sur, you can. That said, if you want the latest features and bug fixes, you’ll need to upgrade your Mac to macOS Monterey.
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
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†