Apple unveils macOS Sequoia, with iPhone mirroring, audio streaming, and notifications even while the iPhone is locked, Safari AI-powered highlights, and more
TechCrunchKyle Wiggers
Context & Ripple Effects
Sequoia extends Apple’s longstanding effort to make its devices operate as a connected workspace: macOS Sierra introduced Continuity-oriented features, while Monterey added cross-device cursor control with Universal Control.
The initial announcement foregrounded iPhone-Mac integration alongside Safari’s AI features. Later coverage found iPhone mirroring, window tiling, and Passwords substantial even before Apple Intelligence features reached macOS.
First-order effects
Mac users with an iPhone gain a more direct way to view and interact with phone content from the desktop, including audio and notifications while the phone remains locked.
Safari becomes a more prominent surface for Apple’s AI-assisted browsing features, while Sequoia also refreshes core desktop workflows through its broader feature set.
Second-order effects
Tighter iPhone-Mac workflows raise the practical value of owning both devices, reinforcing Apple’s cross-device experience against vendors whose desktop and phone platforms are separate.
The distinction between Sequoia’s initial utility features and later Apple Intelligence additions to macOS 15.1 makes software release timing part of the user upgrade decision, not just the annual OS launch.
Third-order effects
If Apple continues moving phone interactions onto the Mac, the desktop increasingly becomes a bridge to a user’s wider device ecosystem rather than a standalone computing endpoint.
The pattern points toward competition based on integrated device workflows and built-in AI surfaces; its durability will depend on whether the convenience outweighs users’ privacy and platform-control concerns.
The trend: Sequoia is one instance of the broader shift toward ecosystem-level computing, where device interoperability and embedded AI shape platform loyalty.
This is the #1 reason why gamers should WAIT for the M4 family Macs. Apple's game porting toolkit 2 supports the AVX2 instruction set, which is NOT supported on M1/M2/M3 family chips. The M4 chip family is the first to use ARMv9's AVX2 support, allowing more AAA games to run.
@nikhiljoisr
Nikhil Jois on x
In India, it will be called MacOS Peak XV
@mahalis
Noah Witherspoon on x
since people are seeing it in the beta, I should mention a thing in Sequoia that I got to build with some terrific designers: the new wallpaper! it's animated and dynamic—as a screen saver it's different every time. dark mode's gorgeous too. thrilled with how it turned out. #wwdc…
@mkbhd
Marques Brownlee on x
MacOS just got window snapping, but they could never say “windows” on stage so they called them tiles instead 😅
@aaronp613
Aaron on x
It looks like macOS Sequoia was called macOS San Fernando internally [image]
@snazzylabs
@snazzylabs on x
macOS now bringing cutting-edge Windows 8 features like window tiling!
@mysk_co
@mysk_co on x
iPhone mirroring is just an Xcode simulator of your own iPhone. 😅 One of the best features Apple announced today!
@rsgnl
Joe Rossignol on x
I will inevitably spell macOS Sequoia wrong in at least one MacRumors report over the next 365 days
@maxwinebach
Max Weinbach on x
Apple Pay on third party browsers now in macOS Sequoia That's a big one
@sdw
Sebastiaan de With on x
macOS Sequoia. I love it. [image]
@stammy
@stammy on x
my first thought with iPhone Mirroring is this is going to be a joy for folks to automate/script iOS tasks easily [image]
@theori
@theori on x
iPhone Mirroring is what i've dreamed of for Continuity. Run apps on your iPhone form your Mac. But... Also Notifications. Now there is no escape from Duolingo. iPhone stays locked while mirroring. #WWDC24 [image]
@parkerortolani
Parker Ortolani on x
oh freakin finally - iPhone mirroring is a GAME CHANGER
@morningbrew
@morningbrew on x
iPhone mirroring coming to the Mac Going to solve a lot of headaches. It's about time [image]
@thechromatican
Garrett on x
This is one of those absolutely batshit cool things that only Apple could do. Complete iPhone mirroring control directly on your MacBook! All notifications come directly to your MacBook when enabled and you don't have to reach for your phone to interact 🤯 #WWDC24 [image]
@ijustine
@ijustine on x
iPhone mirroring is pretty awesome #WWDC [video]
@ultralinx
@ultralinx on x
Ok this iPhone mirroring on your Mac is sick.
@jon_prosser
Jon Prosser on x
IPHONE MIRRORING IS SO FUCKING COOL OH MY GOD #WWDC [image]
@raywongy
Ray Wong on x
Wow, dragging stuff from Mac to iPhone using iPhone mirroring is some serious productivity. Every Instagrammer is gonna use this #wwdc
“You can create totally new images” + “you can mirror your iPhone from your MacBook” is going to allow the three As of adoption — accessibility, availability, and affordability — to spur creators to use more genAI capabilities to create “content” faster. Not yet. But big step.
@laurengoode
Lauren Goode on x
Apple getting deeper into password management. It is already so so aggressive with keychain and suggesting a Strong Password when I all I want to do is autofill from my own PW manager.
@loudmouthjulia
Julia Alexander on x
iPhone Mirroring is huge for creators posting to short form but editing on computers. And, again, if Apple is to remain the hardware connector as software companies pursue stronger AI capabilities, being able to interweave those capabilities to hardware keeps Apple dominant.
@eric_seufert
Eric Seufert on x
No web eraser tool revealed for Safari.
@8teapi
@8teapi on x
“It's time to check [Safari] out” - acknowledgment that they've been ignoring it. Integrating AI summaries on browser.
@zollotech
Aaron Zollo on x
macOS 15 Sequoia - Same features as iOS 18 and iPadOS 18 - iPhone mirroring on Mac with audio - iPhone notifications in Mac - Auto window arrangement - Presenter preview when on a call - Replace the background in a call - Passwords App [image]
@eric_seufert
Eric Seufert on x
Safari Highlights brings relevant information to the fore. Summaries are available in normal browsing mode and in Reader mode.
@mkbhd
Marques Brownlee on x
iPhone Mirroring: They just... bring your phone straight to your Mac. iPhone notifications and audio show up alongside regular Mac notifications and audio [image]
@bzamayo
Benjamin Mayo on x
omg they finally copied window snapping, literally Windows' best feature.
@tomwarren
Tom Warren on x
macOS Sequoia has iPhone mirroring, but Macs don't have touchscreens so you're gonna have to navigate around without the natural urge of wanting to touch the screen [image]
@joannastern
Joanna Stern on x
iPhone mirroring coming to MacOS Sequoia. Pretty crazy. You can control any app from a Mac. Finally going to be A LOT easier to post to Instagram from laptop. [image]