Apple Seeds Second Beta of Upcoming macOS Catalina 10.15.1 Update to Developers

Apple today seeded the second beta of an upcoming macOS Catalina 10.15.1 update to developers, a little under a week after seeding the first beta and a week and a half after releasing macOS Catalina to the public.

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.

test macOS 10
The first update to macOS Catalina is minor in scale and appears to focus on performance improvements and fixes for bugs that weren't able to be addressed in the first version of Catalina. An interim supplemental update was released just two days ago with some other bug fixes that needed to be addressed before 10.15.1 was ready.

Apple's release notes for the first beta said that the update introduces support for the AMD Navi RDNA eGPU architecture and brings some changes to Photos.

You can now filter by Favorites, Edited, ‌‌Photos‌‌, Videos, or Keywords in the All ‌‌Photos‌‌ view, and you can choose View > Metadata > Titles to enable titles and filenames in the All ‌‌Photos‌‌ View.

macOS Catalina is a major update that eliminates iTunes in favor of new Music, Podcasts, and TV apps, nixes support for 32-bit apps, adds a new Find My app, brings a new ‌Photos‌ interface, and includes multiple privacy enhancements and other app refinements.

For full details on what's new in macOS Catalina, make sure to check out our macOS Catalina roundup.

Related Forum: macOS Catalina

Popular Stories

iPhone 17 Pro in Hand Feature Lowgo

iPhone 17 Pro Coming Soon With These 14 New Features

Friday July 4, 2025 1:05 pm PDT by
Apple's next-generation iPhone 17 Pro and iPhone 17 Pro Max are just over two months away, and there are plenty of rumors about the devices. Below, we recap key changes rumored for the iPhone 17 Pro models. Latest Rumors These rumors surfaced in June and July:Apple logo repositioned: Apple's logo may have a lower position on the back of the iPhone 17 Pro models, compared to previous...
iphone 16 pro models 1

Here's How the iPhone 17 Pro Max Will Compare to the iPhone 17 Pro

Saturday July 5, 2025 1:00 pm PDT by
Apple should unveil the iPhone 17 series in September, and there might be one bigger difference between the Pro and Pro Max models this year. As always, the Pro Max model will be larger than the Pro model:iPhone 17 Pro: 6.3-inch display iPhone 17 Pro Max: 6.9-inch displayGiven the Pro Max is physically larger than the Pro, it has more internal space, allowing for a larger battery and...
iPhone Car Key Kia

Here's Which Vehicles Offer iPhone Car Keys

Sunday July 6, 2025 3:03 pm PDT by
In 2020, Apple added a digital car key feature to its Wallet app, allowing users to lock, unlock, and start a compatible vehicle with an iPhone or Apple Watch. The feature is currently offered by select automakers, including Audi, BMW, Hyundai, Kia, Genesis, Mercedes-Benz, Volvo, and a handful of others, and it is set to expand further. Apple has a web page with a list of vehicle models that ...
imac video apple feature

Apple Launching These 15+ Products Later This Year

Sunday July 6, 2025 8:05 am PDT by
The calendar has turned to July, meaning that 2025 is now more than half over. And while the summer months are often quiet for Apple, the company still has more than a dozen products coming later this year, according to rumors. Below, we have outlined at least 15 new Apple products that are expected to launch later this year, along with key rumored features for each. iPhone 17 Series iPho...
iOS 26 Feature

Everything New in iOS 26 Beta 3

Monday July 7, 2025 1:20 pm PDT by
Apple is continuing to refine and update iOS 26, and beta three features smaller changes than we saw in beta 2, plus further tweaks to the Liquid Glass design. Apple is gearing up for the next phase of beta testing, and the company has promised that a public beta is set to come out in July. Transparency In some apps like Apple Music, Podcasts, and the App Store, Apple has toned down the...
iphone 17 pro render majin bu

New iPhone 17 Pro Renders Highlight Apple Logo and MagSafe Design Changes

Sunday July 6, 2025 8:43 pm PDT by
New renders today provide the best look yet relocated Apple logo and redesigned MagSafe magnet array of the iPhone 17 Pro and iPhone 17 Pro Max. Image via Majin Bu. Several of the design changes coming to the iPhone 17 Pro model have been rumored for some time, such as the elongated camera bump that spans the full width of the device, with the LiDAR Scanner and flash moving to the right side. ...
iPhone 17 Pro in Hand Feature Lowgo

iPhone 17 Pro to Reverse iPhone X Design Decision

Monday July 7, 2025 9:46 am PDT by
Since the iPhone X in 2017, all of Apple's highest-end iPhone models have featured either stainless steel or titanium frames, but it has now been rumored that this design decision will be coming to an end with the iPhone 17 Pro models later this year. In a post on Chinese social media platform Weibo today, the account Instant Digital said that the iPhone 17 Pro models will have an aluminum...
Prime Day 25 Feature Warm Triad

The Best Early Prime Day Deals on Apple Products

Saturday July 5, 2025 7:22 am PDT by
Amazon is soon to be back with its annual summertime Prime Day event, lasting for four days from July 8-11, the longest Prime Day yet. As it does every year, Prime Day offers shoppers a huge selection of deals across Amazon's storefront, and there are already many deals you can get on sale ahead of the event. Note: MacRumors is an affiliate partner with Amazon. When you click a link and make a ...
airpods pro 2

AirPods Pro 3 to Help Maintain Apple's Place in Earbud Market Amid Increasing Low-Cost Competition

Thursday July 3, 2025 7:25 am PDT by
Apple's position as the dominant force in the global true wireless stereo (TWS) earbud market is expected to continue through 2025, according to Counterpoint Research. The forecast outlines a 3% year-over-year increase in global TWS unit shipments for 2025, signaling a transition from rapid growth to a more mature phase for the category. While Apple is set to remain the leading brand by...

Top Rated Comments

ElectricPotato Avatar
75 months ago
Clean up on aisle 10.15!
Score: 29 Votes (Like | Disagree)
canadianreader Avatar
75 months ago
Hopefully they will resolve Apple Mail openings itself randomly and disrupting full screen gaming and workflow
Score: 17 Votes (Like | Disagree)
Mick-Mac Avatar
75 months ago
Good luck to all you Catalina beta-testers out there (i.e. those of you who upgraded). I'm not touching this until at least 10.15.3. Catalina was such a disaster even through the real beta testing cycle. If Apple still pride themselves on quality (and make no mistake, their quality control has steadily been going down over the years) then they should change to releasing something when it's ready and not just because it's e.g. September.
Score: 12 Votes (Like | Disagree)
bladerunner2000 Avatar
75 months ago

Hopefully they will resolve Apple Mail openings itself randomly and disrupting full screen gaming and workflow
What? When did Apple start selling a Mac with a capable GPU for gaming?
Score: 10 Votes (Like | Disagree)
jjudson Avatar
75 months ago
Apple:

Here's the latest version of our new operating system...

...don't install it yet.

We have a couple more interim releases before you get the thumb's up.

Please stand by.

Score: 9 Votes (Like | Disagree)
MauiPa Avatar
75 months ago

Until the issue with Apple Mail randomly removing mass amounts of mail from iCloud accounts after the upgrade, 10.15.x is still not worth the risk.
Damn, never happened to me. How come all these issues never seem to happen?


The "iTunes elimination" is really a fake move.

Yesterday I clicked on one of my pre-ordered movies in the TV app and it brought me to the Music app showing me the details of that movie... So basically the new Music app is just a stripped off version of iTunes. Somewhat still has some iTunes genes in it...

Why do we need those separate app icons if their functionalities are still mixed up?
Simple. Haters were hating iTunes and demanded it be slimmed down. It was always fine for me. worked, did its job. The new setup is great though


Good luck to all you Catalina beta-testers out there (i.e. those of you who upgraded). I'm not touching this until at least 10.15.3. Catalina was such a disaster even through the real beta testing cycle. If Apple still pride themselves on quality (and make no mistake, their quality control has steadily been going down over the years) then they should change to releasing something when it's ready and not just because it's e.g. September.
haha. you are not a tester, but you say its crap. NOT! it is fine, very few bugs, it works great, the loud haters are usually not right
Score: 8 Votes (Like | Disagree)