Apple Seeds First Beta of Upcoming macOS Catalina 10.15.3 Update to Developers

Apple today seeded the first beta of an upcoming macOS 10.15.3 update to developers for testing purposes, one week after releasing the macOS Catalina 10.15.2 update.

The new ‌‌macOS Catalina‌‌ beta can be downloaded using the Software Update mechanism in System Preferences after installing the proper software from the Developer Center.


We don't yet know what improvements the third update to ‌macOS Catalina‌ will bring, but it will likely focus on performance improvements, security updates, and fixes for bugs that weren't able to be fixed in the ‌macOS Catalina‌ 10.15.2 update.

If we find anything new in the first ‌macOS Catalina‌ 10.15.3 update, we'll update this article.

Related Roundup: macOS Catalina

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5 weeks ago
The photo and music syncing from Finder is CRAZYTOWN. It basically doesn't even work at this point. Photos on iOS is totally unusable now. There's the album bug mentioned above (I assume he meant nested albums, because that's still broken), random duplications, missing Photos. Music syncing is busted too. Album art is missing. Tracks aren't syncing. I'm seriously about to roll back to High Sierra if they're just going to break features that have worked since 2005 until now. Also, has anyone noticed that if you crop a screenshot on iOS, the cropped version only persists 20% of the time? This is literally the WORST iOS/macOS release I have ever seen.
Rating: 3 Votes
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5 weeks ago
Even if I was ready to invest time into migrating off applications that are 32-bit, the bugs still make Catalina look like a hot mess. I really hope they can get their act together and squish these bugs.
Rating: 3 Votes
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5 weeks ago
I returned my new mbp 16" today. I figured if I was going to have to wait several more months for a Catalina update and graphics driver that are actually production quality, I might as well just return it and wait for the next hardware update. Perhaps by then, Apple may actually get their OS sh*t together. And it sure seems to me, lately, that iCloud services a bit unstable at times. I'm thinking the complex iCloud services interactions are starting to be an issue (inter-service dependencies and latency).
Rating: 3 Votes
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5 weeks ago
Does it include a fix for Apple's Mail Data Loss problem :rolleyes: Apple, this is very bad and needs an emergency fix! :mad:
Rating: 3 Votes
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5 weeks ago
One more update and it might be time to seriously consider Catalina
Rating: 2 Votes
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5 weeks ago
PLEASE hope this fixes the RX 5700 XT drivers! Horrible performance compared to RX 580.
Rating: 2 Votes
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5 weeks ago
macOS features marked for spring release:

Communication Limits
Communication Limits let you control who your children can communicate with and who can communicate with them throughout the day and during downtime.

iCloud Drive folder sharing
You can now share folders with a private link. Anyone who has access can see the folder in iCloud Drive, add new files, and get the latest versions of files.

Neither seem to be on this build.
Rating: 2 Votes
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5 weeks ago
I'm hoping they fix the issue with, 'update Apple ID settings'.
Rating: 1 Votes
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5 weeks ago
If you're running the beta, can you confirm if this bug is still present?

I use outlook for email but use the Apple mail app instead of the web or the outlook app. Often times if I delete an email in my inbox on my iPhone, my MBP will make a ding noise (as if I have a new email) after the email has been moved to the trash. I believe that sometimes I hear the same ding noise if I delete the email directly from my MBP.
Rating: 1 Votes
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5 weeks ago


The photo and music syncing from Finder is CRAZYTOWN. It basically doesn't even work at this point. Photos on iOS is totally unusable now. There's the album bug mentioned above (I assume he meant nested albums, because that's still broken), random duplications, missing Photos. Music syncing is busted too. Album art is missing. Tracks aren't syncing. I'm seriously about to roll back to High Sierra if they're just going to break features that have worked since 2005 until now. Also, has anyone noticed that if you crop a screenshot on iOS, the cropped version only persists 20% of the time? This is literally the WORST iOS/macOS release I have ever seen.

None of that happens for me. It’s working fine
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Does it include a fix for Apple's Mail Data Loss problem :rolleyes: Apple, this is very bad and needs an emergency fix! :mad:

oubt this is the forum to report that to Apple. But for the record, I have not had that problem. Use both gmail and yahoo. It’s working fine
Rating: 1 Votes
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