AI Exploration
2026.11.04·20 min read
Apple Opens Siri AI Developer Preview in iOS 27.3 Beta — Custom App Skills, ToolIntent, and Global Rollout Gaps
With the first developer betas of iOS 27.3, iPadOS 27.3, macOS 27.3, and visionOS 27.3 on November 3, 2026, Apple opened the Siri AI Developer Preview to all third-party developers, removing the 13 Assistant Schema restrictions and introducing @AppIntent(.tool), @AppEntity(.generable), agentskills.io-based SKILL.md bundles, and the Siri Evaluations framework.
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