While there are some rumours that Nova Lake will be built on Intel's future 14A node, that is rather speculative, what with Intel yet to prove that 18A is working well. Moreover,

It can’t come soon enough Intel’s coming Nova Lake has been spotted in the wild in a shipping manifest seen by X86 is dead&back. According to Tom’s Hardware, Intel's Nova Lake chips are currently undergoing validation.

Thanks to a leaked shipping manifest, it looks like Intel may be sending early models of its upcoming Nova Lake CPUs to a select few. The notes on the shipping label suggest that the CPU in question was sent free of charge for research purposes,

Nova Lake is expected to require a new socket, and unless Intel ports Panther Lake to a desktop, LGA 1851 could be one of the shortest-lived platforms in Intel's history. In addition, Linux patches indicate Intel is actively developing software support for upcoming CPU generations, including Nova Lake and its supposed successor, "Razor Lake."