📰 News

September 4, 2025 · View on GitHub

🧭 Development

2025

Oliver Brown of EPCC leads QuEST development (v4.3+)

2018

Tyson Jones of QTechTheory leads QuEST development (v1.1 - v4.2)

2017

Mihai Duta and Simon Benjamin begin QuEST development (v0.1 - v0.9)
Anna (Ania) Brown leads QuEST development (v0.9 - v1.0)

🏆 Recognitions

2025

QuEST is an invited project to unitaryHACK 2025 with challenges #600, #594, #599, #598, #596 and #595
QuEST is a highlighted integration on the NVIDIA cuQuantum site

2024

QuEST ranks 3rd in Quantum Insider's Top 63 Quantum Computer Simulators for 2024

2023

QuESTlink wins a Wolfram Innovator Award

2021

QuEST features in the final challenge of the ASC20-21 Student Supercomputer Challenge

2020

QuEST's whitepaper ranks 11th in Scientific Reports' Top 100 in Physics

💪 Major features

2025

v4.2

multi-controlled Trotter circuits
non-unitary Trotter circuits (permitting e.g. imaginary-time evolution)
noisy time evolution via the Lindbladian
customisation environment variables
restored NUMA awareness (woops)

v4.0

multi-GPU deployment
automatic deployment
partial tracing
multi-qubit projectors
distance measures
numerical tolerance control

2023

v3.7

cuQuantum integration

v3.6

AMD GPU support
diagonal matrices

2021

v3.4

MSVC (Windows) support

v3.3

all-outcome probabilities
multi-controlled Pauli rotations
custom phase functions
QFT

2020

v3.2

Trotter-Suzuki circuits
full-state diagonal operators

v3.1

unit tests
continuous integration

v3.0

general any-sized matrices
general any-sized Kraus maps
inhomogeneous Pauli channels
multi-Pauli expectation values
multi-target Pauli rotations
any-controlled operations
density-matrix inner products
custom error handling

2019

v2.1

CMake build
amplitude damping channel

2018

v2.0

density matrices
dephasing channels
depolarising channels
purity calculation
fidelity calculation
QASM generation
input validation

v1.1

C and C++ agnosticism
unification of CPU and GPU backends

v1.0

controlled axis rotations