visionOS 27 beta 5 has arrived for Apple Vision Pro developers, with build 24M5348b confirming the M5-exclusive Siri voice customization feature is locked in for fall. The M5 Vision Pro runs Apple's 20-billion-parameter AFM 3 Core Advanced model, which the M2 chip cannot support due to a hardware bandwidth gap -- not a software restriction that Apple could patch.
visionOS 27 Beta 5 Locks In M5-Only Siri Voice: M2 Vision Pro Hits Hardware Ceiling
