February 22, 2025

Please update ITensors.jl and its dependencies to the latest versions if you are seeing installation issues and are using older versions of Julia v1.10.x or v1.11.x.

October 25, 2024

Algorithms and types associated with MPS, MPO, DMRG, etc have been moved to their own package, ITensorMPS.jl.

November 6, 2023

ITensor functions are now stricter about giving errors when unrecognized keyword arguments are passed. This change will help catch silent issues in codes.

October 23, 2023

ITensor now supports multiple GPU types through Julia package extensions, with full support for dense tensor operations on NVIDIA CUDA.

July 17, 2023

We will be removing the format function from the itensor:: namespace. Click to read more if you rely on this in your C++ code.