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Original poster
Apr 12, 2001
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16,776


Apple today released a supplemental update for macOS Catalina 10.15.7, introducing security fixes. The macOS 10.15.7 Supplemental Update comes more than a month after the release of macOS Catalina 10.15.7.

Catalina10.15.7GFXFixArticle.jpg

The ‌‌‌‌macOS Catalina‌‌‌‌ 10.15.7 Supplemental Update can be downloaded from the Mac App Store using the Update feature in the System Preferences app.

According to Apple's release notes, the Supplemental Update improves the security of macOS and is recommended for all users. An Apple support document outlines several vulnerabilities that that have been addressed, including those that leave the Mac vulnerable to malicious fonts and applications.

macOS Catalina will soon be replaced by macOS Big Sur, which is in the final stages of beta testing and could be released as soon as next week.

Article Link: Apple Releases macOS Catalina 10.15.7 Supplemental Update With Security Fixes
 
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ghanwani

macrumors 68040
Dec 8, 2008
3,069
3,386
Why don't they have a minor version number instead of calling it a supplemental update?

I just updated and there is no way to tell whether or not the update actually happened.

Edit: @Unsupported showed me how to find it. That can also be found under
About This Mac -> System Report -> Software
But having a minor version number would be so much easier.
 

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chrfr

macrumors G4
Jul 11, 2009
11,189
4,753
Because its just a security update. Glad they are maintaining 10.15.7 after the kernel issues were resolved from 10.15.6. :)
The kernel is updated by this supplemental update.
After the update:
Code:
Darwin Mac.local 19.6.0 Darwin Kernel Version 19.6.0: Thu Oct 29 22:56:45 PDT 2020; root:xnu-6153.141.2.2~1/RELEASE_X86_64 x86_64
Before the update:
Code:
Darwin Mac.local 19.6.0 Darwin Kernel Version 19.6.0: Mon Aug 31 22:12:52 PDT 2020; root:xnu-6153.141.2~1/RELEASE_X86_64 x86_64
 

Benz63amg

macrumors 68040
Oct 17, 2010
3,858
694
Just migrate directly to Big Sur, if doable, very stable.
Are you saying the FIRST initial release of Big Sur is more stable than the latest release of MacOS Catalina? your statement is absurd, it will take months for Big Sur to be anywhere near “Stable”

Catalina has been superb and rock solid on my 2017 MacBook Pro..
 
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jz0309

Contributor
Sep 25, 2018
4,182
11,725
Temecula, CA
What if you're still on Mojave because it runs so smoothly and the endless stories of the dumpster fire that's Catalina are a deterrent not to update?
I am on Mojave on my iMac and am not planning to upgrade, yet.
I did upgrade my MBP from Catalina to Big Sure and I like it so much better, and, for me it has been very stable
 

tangfish

macrumors regular
Sep 12, 2014
245
301
Still on Mojave because I never did see a conclusive update that the missing Mail messages issue in Catalina was solved (it’s possible I missed it if it was announced- I basically began tuning out Catalina updates because of what an ish show it was).

I can’t afford to lose random and possibly important emails.

We’re so close to Big Sur now that I may end up just going from Mojave straight to Big Sur, if there aren’t widespread reports of data loss and other nasty bugs.
 

Benz63amg

macrumors 68040
Oct 17, 2010
3,858
694
The kernel is updated by this supplemental update.
After the update:
Code:
Darwin Mac.local 19.6.0 Darwin Kernel Version 19.6.0: Thu Oct 29 22:56:45 PDT 2020; root:xnu-6153.141.2.2~1/RELEASE_X86_64 x86_64
Before the update:
Code:
Darwin Mac.local 19.6.0 Darwin Kernel Version 19.6.0: Mon Aug 31 22:12:52 PDT 2020; root:xnu-6153.141.2~1/RELEASE_X86_64 x86_64
So kernel wasn’t updated?
 
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Maconplasma

Cancelled
Sep 15, 2020
2,489
2,206
Why don't they have a minor version number instead of calling it a supplemental update?

I just updated and there is no way to tell whether or not I actually updated.
Did you read the release notes? That would tell you what you got.
 
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