Apple typically begins serious development on a new OS about nine to twelve months before its public launch. This allowed the new software to be polished on the latest hardware before the holiday shopping season.
New macOS Release Date 2025: Expected Timeline and Key Dates
Based on this timeline, a release in October 2025 remains the most probable scenario. Global semiconductor shortages, for instance, can impact the production of Mac hardware, which in turn affects the timing of software launches.
Based on historical precedent and current industry chatter, the development cycle is likely already deep in motion. Following WWDC, the second public beta is typically released in July, and the Golden Master—the final, stable version intended for mass distribution—is finalized in August.
New macOS Release Date 2025: Expected Timeline and Key Dates
Release Candidate August to Early September Final testing phase; critical bugs are addressed. While the company rarely adheres to a public, Gregorian calendar schedule, the ecosystem generally moves in predictable waves that align with its hardware announcements.
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