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Versioning of ITensor Releases

ITensor uses semantic versioning, loosely defined. Our version numbers are of the form


with the following meaning:

Because ITensor is non-commercial and a research project in its own right, we intend to depart from semantic versioning by not treating any Redesign release numbers as special. Redesign release number 0 does not necessarily mean "alpha" code nor does Redesign release 1 indicate a special, stable reference release of the library. Redesign releases also do not have a prescribed size: they may include large and extensive changes or simply small but crucial changes that nevertheless break client code.

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