Apple has officially pulled the plug on the original HomeKit architecture. As of February 10, 2026, the older Home architecture — the one that powered the Home app from its early days through iOS 16 — is no longer supported, and Apple is urging everyone still on it to upgrade to the modern Apple Home architecture. If you have been ignoring that “Upgrade” prompt in the Home app for the last three years, the clock has run out.
A brief history of the two architectures
The story starts in November 2022, when Apple introduced a rebuilt Home architecture alongside iOS 16.2, promising significant speed and reliability improvements for smart home accessories. The rollout hit trouble almost immediately: the new architecture caused problems for some users, Apple withdrew it in December 2022, and then reintroduced it in February 2023 with iOS 16.4.
Crucially, the upgrade was always optional. Plenty of users — especially those with large, stable setups — chose to stay on the old architecture to avoid breaking automations and accessories that were working fine. Apple tolerated that choice for three years. With support now ended, those holdouts face a simple reality: no more fixes, and an increasing risk that new devices and features simply will not work on the legacy foundation.
Why the new architecture matters in 2026
The modern architecture is the foundation everything new in Apple Home is built on. Matter device support, the performance overhaul that made controlling 100+ accessories feel instant, robot vacuum support, Activity History, chained automations, and the Apple Intelligence camera features in iOS 27 all assume the new architecture underneath. Staying on the old one does not just mean missing out on shiny features — it means your home is frozen on a platform Apple no longer maintains.
There is also a practical angle: as Apple retires the “HomeKit” branding in favor of the unified Apple Home platform, support documentation, troubleshooting, and new accessory certifications all target the current architecture. If something breaks on the old one now, you are on your own.
How to upgrade (it takes a few minutes)
Apple’s own support document lays out a short process, and it updates all of your homes at once, so you only need to do it a single time:
- Open the Home app on your iPhone, iPad, or Mac.
- Tap or click the More button (the three dots).
- Select Home Settings. If you manage multiple homes, choose one first, then open Home Settings.
- Select Software Update.
- Tap or click Update Now, then follow the on-screen prompts.
Before you tap that button, a little preparation goes a long way. Make sure every Apple device signed into your home — iPhones, iPads, Macs, Apple TVs, HomePods — is updated to a recent OS, since the new architecture requires current software across the board. If you have housemates or family members with access to the home, their devices need to be current too, or they may lose access until they update. And as with any platform migration, it is worth taking screenshots of your most complex automations first, just in case you need to rebuild one.
What could go wrong
The 2022 withdrawal happened for a reason, and while the reintroduced architecture has had three years to mature, migrations can still surface edge cases: an accessory that needs re-pairing, an automation that needs a nudge, or a hub that takes a while to settle. The most commonly reported issues historically involved older accessories and shared-home setups. If you run into a stubborn device after upgrading, remove and re-add it in the Home app, and check the manufacturer’s app for firmware updates — most vendors have long since adapted to the new architecture.
A note for shared homes and renters
If you share your home with family or roommates, coordinate the upgrade: everyone invited to the home needs a device on recent software, or they may lose access until they update. Renters with landlord-installed accessories should check with whoever manages the setup before migrating. And if you run a mixed ecosystem — say, Apple Home alongside Home Assistant or Google Home — remember the upgrade only affects Apple’s side; your Matter devices will keep working across platforms either way, which is precisely the point of the standard.
It is also worth doing a quick audit first: open the Home app and note which accessories are oldest or from vendors that have gone quiet — those are the ones most likely to need re-pairing or a firmware update after the migration. A five-minute inventory now can save an hour of head-scratching later.
The bottom line
This was never a question of if, only when. Apple gave the old Home architecture a three-year grace period, and February 10, 2026 was the end of it. The upgrade is free, takes minutes, and unlocks everything Apple Home has become since — Matter support, faster performance, and the AI features arriving with iOS 27. If that upgrade banner is still sitting in your Home app, consider this your sign to finally tap it.