Thread 1.4 brings a standard way for Thread border routers, such as Apple TVs and HomePods, to join an existing Thread network, fixing the problem where border routers from different manufacturers set up separate networks when they join your smart home. “We’re seeing a great shift toward Thread 1.4 among some major device, platform, and border router vendors,” Thread Group VP of marketing Ann Olivo told The Verge. Image: Matter AlphaThread-powered devices require a Thread border router to connect to the internet. “Thread 1.3 certification applications for Thread Border Routers will close December 31, 2025,” Olivo confirmed. “As of Jan. 1, 2026, Thread 1.4 will be the only specification available for Thread Border Router certification.”With Apple poised to implement Thread 1.4 this fall with tvOS 26, I checked in with Google, Amazon, and Samsung to see where they were at.