“Bluetooth tag manufacturers including Chipolo, eufy, Jio, Motorola, and Pebblebee have committed that future tags will be compatible.”
iOS 17.5 and Android 6.0 and up now warn you when an unknown Bluetooth tracker travels with you, whichever platform it is paired to. Tag makers only promise that “future” tags will comply, so every tag already sold stays dark. The spec offers best practices to manufacturers “should they choose” to follow them. Stalker protection is opt-in for the companies selling the trackers.