Apple opens AI tech to developers delays some features, and unveils 'liquid glass' OS redesign with unified year based naming.

• Apple shares foundational AI model with developers to enhance third-party apps and improve Siri capabilities.
• OS redesign uses transparent 'liquid glass' design enabled by Apple's advanced custom chips for devices like iPhones and Macs.
• Operating systems will use year based names instead of sequential numbers to simplify cross-device naming consistency.