Apple Seeds Third Beta of Upcoming macOS Catalina 10.15.6 Update to Developers [Update: Public Beta Available]

[MacRumors]

Apple today seeded the third beta of an upcoming macOS Catalina 10.15.6 update to developers for testing purposes, three weeks releasing the second beta and over a month after releasing macOS Catalina 10.15.5 with battery health management features for Macs.

The macOS Catalina 10.15.6 beta can be downloaded from the Software Update mechanism in System Preferences after the proper profile has been installed from the Apple Developer Center.

There's no word yet on what improvements the new update to macOS Catalina brings, but it likely includes performance improvements, security updates, and fixes for bugs that weren't able to be addressed in the previous update. No new features were found in the first two betas, but we'll update this article should anything new be found in the third beta.

Article Link: Apple Seeds Third Beta of Upcoming macOS Catalina 10.15.6 Update to Developers [Update: Public Beta Available]

 

[justperry]

I might go back to Catalina, have Big Sur installed now, it's locked down to the core.

 

[JimmyBanks6]

I've been having an issue with 10.15.5 where it doesn't automatically go to sleep after the 10 minutes of inactivity I have my Mac set to.

Hoping they fix this bug.

 

[Taz Mangus]

I've been having an issue with 10.15.5 where it doesn't automatically go to sleep after the 10 minutes of inactivity I have my Mac set to.

Hoping they fix this bug.

What year and model Mac are you using? What things have you tried to resolve the issue?

 

[canhaz]

I might go back to Catalina, have Big Sur installed now, it's locked down to the core.

How so. Anything in particular stand out for you? Assuming SIP can still be disabled...

 

[reschofield]

Anyone else only seeing "10.16" as an option to install rather than 10.15.6 beta 3?

 

[Taz Mangus]

How so. Anything in particular stand out for you? Assuming SIP can still be disabled...

I think the OP might be referring to SSV.

Big Sur’s Signed System Volume: added security protection

From SIP to a protected read-only System volume, macOS 11 takes system protection a big step further with cryptographic verification.

eclecticlight.co

 

[emulajavi]

Does it fix the ‘album is not any’ Smart Album in Photos?

thanks

 

[TheGeneralist]

Any news about the persisting Apple Mail Bugs? Apple Support confirmed my iCloud sync issue is an unresolved bug in the current version of Apple Mail in 10.15.5, but so far had no details on an estimated fix date. Currently no workaround possible instead of refraining from using Apple Mail at all...

 

[Dhock_Holiday]

I'm keeping my fingers crossed that wireless sync is fixed in this release.

 

[JimmyBanks6]

What year and model Mac are you using? What things have you tried to resolve the issue?

2017 MBP 13

Nothing, too much on my plate right now to do Apple's job for them, lol.

 

[xgman]

I might go back to Catalina, have Big Sur installed now, it's locked down to the core.

obnoxiously I might add.... It used to be "back to mojave"
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Anyone else only seeing "10.16" as an option to install rather than 10.15.6 beta 3?

I see both. click "more"

 

[canhaz]

I think the OP might be referring to SSV.

Big Sur’s Signed System Volume: added security protection

From SIP to a protected read-only System volume, macOS 11 takes system protection a big step further with cryptographic verification.

eclecticlight.co

Very interesting. Looks like it can be disabled, though currently seems to be a bit of a PITA. Of course, disabling SFF also reduces security, although not less than Catalina obviously.

 

[joiwomcow]

Mojave. The new snow leopard?

 

[reschofield]

obnoxiously I might add.... It used to be "back to mojave"
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I see both. click "more"

I just reinstalled the beta utility and now I see "more". Thanks!

 

[mdatwood]

I might go back to Catalina, have Big Sur installed now, it's locked down to the core.

I'm curious what is not working, and what you have been prevented from doing.

 

[Taz Mangus]

2017 MBP 13

Nothing, too much on my plate right now to do Apple's job for them, lol.

Sounds like you might have something installed which might be keeping the computer awake.
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I'm curious what is not working, and what you have been prevented from doing.

See post #13 above.

 

[Merode]

No way.. Nobody's posted build number yet? Do traditions mean nothing to you people?

 

[justperry]

How so. Anything in particular stand out for you? Assuming SIP can still be disabled...

I'm curious what is not working, and what you have been prevented from doing.

See @Taz Mangus ( 👍) post above.

No way.. Nobody's posted build number yet? Do traditions mean nothing to you people?

Everybody is ... busy installing...or is already on BS

 

[kissmo]

I guess I'm gonna be the first one to say: Oh... Catalina is soooo yesterday... )

I actually found Big Sur beta running better on my MBP 15 2018 test machine than Catalina was.
I don't have any issues with the MBP 16 and Catalina though.

 

[Coesyn]

I wonder if this will fix the random usb issues with random dropouts while using a usb-c hub?

 

[Woochoo]

Mojave. The new snow leopard?

I'm on Mojave and my 2014 MBA" with just 4GB RAM still going on without any major problem.
I'm probably getting an ARM MBP some months after the release after the reviews and people's experiences, or just wait for 2nd gen but if something I'm sure about it's I'll be skipping Catalina (as I skipped Lion & Mountain Lion until Mavericks)

 

[brandsteve]

For those beta-testing please advise of the nasty USB bug is fixed.

 

[jlocker]

Been running it and it is very stable on the MacBook Pro 16.

 

[warriors2017]

Got excited for nothing...here I thought it was Big Sur public beta. What is typical wait time for public beta?