Apple has confirmed it will transition its Mac laptop and desktop computers to its own ARM-based processors.
The move means that Macs will run on the same type of chips as the firm's iPhones and iPads, rather than Intel's.
Intel had faced problems manufacturing its own designs, leading it to issue a public apology to computer-makers.
Apple's challenge will be to carry off the transition smoothly and convince third-party developers to update their apps accordingly.
"We expect to ship our first Mac with Apple silicon by the end of the year," said chief executive Tim Cook, adding that it would likely be two years before its full product line had made the jump.
The firm said the move would allow it to offer new features and improved performance as well as making it easier for developers to "write and optimise software for the entire Apple ecosystem".
The announcement was made at Apple's annual Worldwide Developers Conference (WWDC).
"Apple's motivations for doing this include reducing its dependence on Intel, maximizing its silicon investment, boosting performance and giving itself more flexibility and agility when it comes to future products," commented Geoff Blaber from the consultancy CCS Insight.
"Embracing ARM and making its hardware more consistent across the iPhone, iPad and Mac ranges is a strategic necessity, but there will be inevitable bumps along the road."
Apple said it had already developed native versions of several of its own apps, including Final Cut Pro X and Logic Pro. iPhone and iPad apps will also be able to be run on the computers.
Apple said that Microsoft was working on an optimised version of Office, and Adobe was developing a version of Photoshop.
Other developers should be able to recompile their apps to get a version running "in just a matter of days," said the company's software chief Craig Federighi. He added that old apps would automatically be translated at point of installation to run, although they would not work as well.
To mark the significance of the move, MacOS will move to version 11. Since 2001, it had only moved from 10.0 to 10.15.
Apple successfully made the switch from IBM-Motorola's PowerPC processors to Intel's x86 family in 2006.
However, some software was never updated and cannot easily be run on today's Mac computers. Apple dropped support for running older software under emulation in the 2011 release of its Mac operating system.
Microsoft already allows Windows 10 to be run on both Intel and ARM-based processors and looks set to continue supporting both chip architectures.
Apple has not stated how long it will do the same.
As a result, some people considering buying one of its laptop or desktop computers may decide to postpone a purchase until its first ARM-based computers go on sale.
This could hit sales both at Apple and the development studios that make software for the platform.
ARM-based chips are based on the designs of the UK-based company, which is headquartered in Cambridge. Other companies then adapt these to add capabilities of their own.
Samsung, Qualcomm and Huawei are among the many other companies to do so.
Apple is the fourth-largest PC vendor, according to market research firm Gartner, coming behind Lenovo, HP, and Dell.
The company has said that it has more than 100 million active Mac users. Back in June 2005, when it first announced the move to Intel chips, the figure was about 12.5 million.
"Apple is approximately 4.5% of the laptop market and 2.6% of the desktop market, so the financial impact to Intel will not be significant," commented Gartner's Jon Erensen.
"However, this transition... could give momentum to Microsoft's current efforts to run Windows on Qualcomm's Snapdragon processors."
Existing Mac owners will see changes to the next MacOS operating system - called Big Sur - which Apple said marked its biggest redesign to date.
Analysis by James Clayton, North America technology reporter
The best way to describe a processor is the brain of the computer.
Hardly surprising then that the processor in your computer is kind of important. Changing it is no small thing - and Apple hasn't decided this lightly.
The big question though - and the one that if you're reading this you're probably more interested in - is what will this do for Macs in general?
The prevailing view in Silicon Valley is moving to Apple silicon will make for more powerful Macs.
Bringing it in-house could create cheaper processors - so in theory you could have cheaper Macs (that's if Apple wanted to pass on savings to the consumer).
But there are risks too.
The first is that Apple still has Intel-based Macs yet to come out. Will people simply wait for Apple's new processor to go live before choosing to buy a new computer?
And - considering how well Mac products sell there will be a nervousness about changing a formula that has worked very well for Apple for the last 15 years.
Other announcements at WWDC included the ability to use an iPhone as a substitute for a car key by transmitting an NFC (near-field communication) signal to unlock doors and start the engine.
This will initially be limited to some new BMWs, but the firm said it intended to expand to other models in time.
App developers will also have to provide more information about the data they gather about users, so that Apple can display a summary to them before they install the software.
By surfacing apps wanting your location or to track you, Apple is educating consumers and heightening their awareness of the situation. Creates more interest and desire for their privacy stance.— Ben Bajarin (@BenBajarin) June 22, 2020
One of the biggest changes to the iPhone's iOS14 operating system will be a shake-up of the home screen.
Apps can now be automatically organised into folders containing:
- suggested apps, which are based on past habits
- recently downloaded items
- themed downloads, for example games
In addition, the firm is updating its "widgets" - blocks that display a stripped-down, small app window - so that they can be placed among the icons for other programs. Examples included weather forecasts, news briefings, and calendar meetings. Android already has something similar.
Another Android-like new feature is the introduction of App Clips, which allow part of a program to be downloaded quickly. These must be less than 10 megabytes in size and will be able to be triggered via an NFC-transmission or by scanning a QR code.
Suggested uses included the ability to order a drink in a cafe or to pay for a car-parking space.
Apple is also releasing a new app called Translate that carries out language translations offline, offering an alternative to Google Translate.
It will support 11 languages to begin with including English, Mandarin, French, German, and Arabic.
For the first time, users will be able to set third-party email and web browser apps as the default in iOS, rather than Apple's own software.
The UK and Ireland will be among countries given access to an overhauled version of its Maps app, which provides more detailed views of roads and paths than before - as well as new cycling directions and routes for electric cars that pass charging stations.
And its MeMoji cartoon-like characters now feature new styling options, including the addition of protective face masks.
Apple's tablet operating system iPadOS will also benefit from several enhancements to its Pencil stylus.
- conversion of scribbled words and numbers into typed text
- detection of both Chinese and English-language characters, with the ability to convert both appropriately within the same scribbled line
- automatic tidying-up of drawings
The next version of WatchOS adds sleep-tracking functionality to the firm's smartwatch - which will be based on a user's movements in bed.
It also adds the ability to determine when the owner is washing their hands, in order to confirm whether they have done so for long enough to help protect against Covid-19.
It wouldn't surprise me if the new hand-washing app on Apple Watch and face mask Memojis emerges as some of the big stories of WWDC. I never cease to be amazed how gimmicks like this capture the public's imagination #WWDC20 pic.twitter.com/5J2TUUjQbd— Ben Wood (@benwood) June 22, 2020
I haven't been coached to wash my hands since elementary school 🧼⌚️ #wwdc— Vincent Thielke (@vthielke) June 22, 2020
In addition, the wearable will allow third-party "curated" watch faces to be shared and installed. The Activity app - which is now renamed Fitness - will track calories used for various dance styles.
Apple's AirPod Pro earphones will gain spatial audio to recreate a cinema-style surround sound experience. They will also automatically switch between a user's Apple devices as the owner moves from one to another.
And the firm's Apple TV set-top box will soon allow compatible third-party video doorbells to live-stream footage of visitors to television screens, while iOS 14 will make it possible to use facial recognition to identify them.
This will only work with members of the owner's family and friends, who need to be tagged in advance.
It has also emerged that Apple TV's YouTube app will play clips in 4K for the first time, ending a stand-off with Google over the video-encoding technology involved.