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PsiQuantum signed a $125 million expanded DARPA agreement in July. Like Microsoft, it entered the final stage of the Quantum Benchmarking Initiative through US2QC, a related program, without passing through the initiative's first two stages.
Xuhui's incubation zone launched with 26 companies, and Zhangjiang Quantum Bay with three platforms and four first tenants, state media reported. The same reports said both districts' dedicated quantum support policies were still in preparation.
Henry Legg of the University of St Andrews disputed a 2025 Microsoft paper, citing coding errors and omitted data. Microsoft researchers called one error a minor bug. Microsoft's Chetan Nayak said the company stands by its results.
Microsoft's researchers replaced aluminum with lead in their nanowire devices. The company now aims for a scalable, practical quantum computer by 2029. Henry Legg of the University of St Andrews said the preprint does not resolve the fundamental issues.
