Apple's Craig Federighi Confirms APFS Coming to Fusion Drives in a Future macOS High Sierra Update

The initial version of macOS High Sierra released this morning limits the new Apple File System (APFS) to Macs that have all-flash built-in storage, excluding iMacs and Mac mini machines that feature Fusion Drives.


Apple announced the limitation last week in a support document that said the initial release would not allow Fusion Drives to be converted to APFS, implying future support, and now Apple software engineering chief Craig Federighi has confirmed APFS will indeed be coming to Fusion Drives in a later update.

Federighi shared the info in an email sent to MacRumors reader Michiel, who asked if APFS would be added later.

"Yes, we plan to add support in a future update," replied Federighi.

Fusion Drives, available as a storage option for Apple's iMac and Mac mini desktop machines, combine a hard drive with flash storage to provide the speed of an SSD with the affordability of a standard hard drive. Frequently accessed files are stored using flash storage, while less frequently used files are moved to the hard drive.

The first macOS High Sierra beta released in June did include support for Fusion Drives and converted iMacs and Mac minis to APFS, but support was removed in subsequent betas and was not reimplemented, presumably due to stability problems and bugs with the feature.

Apple File System is a more modern file system than HFS+ and is optimized for solid state drives. It is safe and secure, offering crash protection, safe document saves, stable snapshots, simplified backups, and strong native encryption.


Developers who happened to install APFS on their machines have been provided with instructions for how to convert back to HFS+ for the time being.

Apple's macOS High Sierra press release also confirms the company's plans to introduce APFS support for Fusion Drives and standard HDDs, but Apple has not offered a timeline on when we can expect the APFS update to be released.

Tag: APFS

Top Rated Comments

(View all)
Avatar
35 months ago
Of course they're going to add support. Apple absolutely loves mechanical hard drives. They are so fast to ditch legacy tech, yet for some reason they just refuse to let go of mechanical hard drives.
Score: 15 Votes (Like | Disagree)
Avatar
35 months ago

Sweet Jeebus. What isn't coming in a future update?:rolleyes: One could be forgiven for thinking Apple has adopted the video game industry's motto: Release now - patch later.

I can deal with that if it’s adding features rather than patching data destroying bugs. I’d rather roll out features as they’re ready over time than try to release “feature complete” and not quite get it right.

It’s not like I paid for anything here expecting a feature that isn’t ready.
Score: 12 Votes (Like | Disagree)
Avatar
35 months ago
Sweet Jeebus. What isn't coming in a future update?:rolleyes: One could be forgiven for thinking Apple has adopted the video game industry's motto: Release now - patch later.
Score: 11 Votes (Like | Disagree)
Avatar
35 months ago
At least we know they're working on it.
Score: 8 Votes (Like | Disagree)
Avatar
35 months ago

Where can I get that wallpaper

https://www.iupdateos.com/2017/06/30/new-2017-imac-wallpapers/
Score: 7 Votes (Like | Disagree)
Avatar
35 months ago

I think Apple did a very poor job of warning fusion drive owners prior to the public beta APFS upgrade

They repeat over and over not to install betas on 'production' hardware. That means, only install it on computers that you are willing to wipe the HDD without a 2nd thought and start over. I'm guessing that's not the case for you....
Score: 6 Votes (Like | Disagree)

Top Stories

'This App is No Longer Shared' iOS Bug Preventing Some Apps From Opening

Friday May 22, 2020 3:58 pm PDT by
An app bug is causing some iOS users to be unable to open their apps, with affected iPhone and iPad users seeing the message "This app is no longer shared with you" when attempting to access an app. There are multiple complaints about the issue on the MacRumors forums and on Twitter from users who are running into problems. A MacRumors reader describes the issue:Is anyone else experiencing...

Apple Reissuing Numerous iOS App Updates, Potentially Related to Recent 'This App is No Longer Shared' Bug

Sunday May 24, 2020 9:13 pm PDT by
Over the past few hours, a number of MacRumors readers have reported seeing dozens or even hundreds of pending app updates showing in the App Store on their iOS devices, including for many apps that were already recently updated by the users. In many cases, the dates listed on these new app updates extend back as far as ten days. Apple has not shared any information as to why updates for...

Top Stories: Apple Glass and iPhone 12 Rumors, iOS 13.5 Update, and More!

Saturday May 23, 2020 6:00 am PDT by
It was another big week for rumors this week, with a flurry of reports about Apple's augmented reality glasses, the iPhone 12, and Apple's "AirPods Studio" over-ear headphones. This week also saw the release of iOS 13.5, bringing a number of health-related updates to Apple's mobile devices. Subscribe to the MacRumors YouTube channel for more videos. Other topics of interest this week included ...

Apple's 'Bounce' AirPods Ad Wins 'Best of Advertising' Award

Friday May 22, 2020 10:09 am PDT by
Apple's creative "Bounce" ad designed to highlight the AirPods took top honors in the 99th annual ADC (Art Director's Club) awards for advertising, earning the "Best of Discipline" award along with two Gold Cube awards in the craft in video and branded content categories. Released in June 2019, the ad features a bored man who pulls his AirPods off of their wireless charging pad and then pops ...

Jailbreak Tool 'unc0ver' 5.0 Released With iOS 13.5 Compatibility

Sunday May 24, 2020 3:06 pm PDT by
The team behind the "unc0ver" jailbreaking tool for iOS has released version 5.0.0 of its software that claims to have the ability to jailbreak "every signed iOS version on every device" using a zero-day kernel vulnerability by Pwn20wnd, a renowned iOS hacker. The announcement comes just days after it was announced that the tool would soon launch. The unc0ver website highlights how the tool...

Apple's 'AirPods Studio' Over-Ear Headphones Have Reportedly Kicked Off Production

Friday May 22, 2020 7:03 am PDT by
We've been hearing quite a bit recently about Apple's long-rumored over-ear headphones, said to be called "AirPods Studio," and it looks like a launch may be coming in the relatively near future. Artist mockup based on Beats Studio3 Rumors have generally suggested a summer or fall launch for AirPods Studio, with a report earlier this week claiming that suppliers in Vietnam will begin...

Future AirPods to Include 'Ambient Light Sensors' Possibly Related to Rumored Health Features

Monday May 25, 2020 2:53 am PDT by
Apple is reportedly looking to integrate light sensors in a new model of AirPods in the next couple of years, according to a new report today, suggesting their use could be part of rumored upcoming health monitoring features in the true wireless earbuds. In a paywalled article, DigiTimes reports that ASE Technology could be involved in manufacturing the sensors: Apple is expected to...

'Apple Glass' Rumored to Start at $499, Support Prescription Lenses, and More

Tuesday May 19, 2020 6:30 am PDT by
Front Page Tech host and leaker Jon Prosser today shared several alleged details about Apple's rumored augmented reality glasses, including an "Apple Glass" marketing name, $499 starting price, prescription lens option, and more. The marketing name will be "Apple Glass" The glasses will start at $499 with the option for prescription lenses at an extra cost There will be displays in both...

Former iOS Chief Scott Forstall Shares Intriguing Story of His Interview With Steve Jobs at NeXT

Friday May 22, 2020 4:01 am PDT by
Former Apple executive and iOS chief Scott Forstall made a rare public appearance this week at Code.org's virtual Code Break event, and in between classes, Forstall shared the intriguing story of how he was hired by Steve Jobs. Forstall revealed that he had been considering working at Microsoft when he went to interview at NexT, the company started by Jobs after he had left Apple. Forstall...

Apple Memorial Day Deals: Shop the Best Apple Accessory Sales From Twelve South, eBay, Anker, Mophie, and More

Friday May 22, 2020 6:39 am PDT by
We're now just a few days away from Memorial Day on Monday, May 25, and numerous retailers have opened up discounts in celebration of the holiday. This includes sales on helpful Apple-related accessories like Anker's portable batteries, Beats headphones at eBay, Incase and Incipio's protective iPad and iPhone cases, Mophie's iPhone battery cases, JBL's Bluetooth speakers, and much more. Note:...