Leaked Files Hint at iMac Pro with M5 Max Chip, Fueling Apple Silicon Speculation
December 16, 2025
A high-end iMac model powered by an M5 Max chip has surfaced in leaked kernel debug kit files used by Apple engineers, fueling speculation about an iMac Pro release.
Rumors point to a broader 2026 rollout of Apple silicon across MacBook Pros, Mac minis, Mac Studios, and a more affordable macOS lineup, suggesting a coordinated product cycle.
The reporting aligns with prior speculation from Bloomberg’s Mark Gurman and analyst Ming-Chi Kuo about a larger, pro-oriented iMac and a future Apple silicon roadmap.
No official confirmation has been provided; the information rests on leaks and rumors at this stage.
Disclaimers note potential conflicts of interest and emphasize a commitment to unbiased, accurate reporting by StartUpNews.fyi.
Sourcing notes indicate MacRumors and Tom’s Guide are part of the leak chain, with some content echoed across multiple outlets.
Trust in the story comes from analysis of leaked internal data and corroboration from Bloomberg and Kuo, with MacRumors offering technical context on the files.
Readers are cautioned that these details come from leaks and should be treated as unverified, though some elements echo earlier leaks about Apple’s 2026 roadmap.
Updates on these developments are available through Appleosophy’s app and website for readers seeking the latest.
The author, a senior MacWorld editor, brings extensive Apple-focused reporting background to the piece.
Evidence for the rumor includes kernel debug files and mentions on China’s Weibo as reported by MacRumors.
Leaks include codenames that confirm ongoing development, though some entries may correspond to internal tests not destined for release.
Summary based on 16 sources
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Sources

Ars Technica • Dec 16, 2025
Software leaks point to the first Apple Silicon “iMac Pro,” among other devices
The Times Of India • Dec 16, 2025
iMac Pro could return with M5 Max chip five years after Apple killed the line
9to5Mac • Dec 16, 2025
New M5 iMac model aimed at pro users might be coming, per leak - 9to5Mac
MacRumors • Dec 16, 2025
Apple Developing iMac Pro With M5 Max Chip