This is primarily a bugfix release to updates libNeuroML for NeuroML version 2.1.
As always, the simplest way to install libNeuroML is using `pip`:
pip install --upgrade libneuroml
More information on libNeuroML can be found in the [documentation](https://libneuroml.readthedocs.io/en/latest/). More information on NeuroML can be found in the [NeuroML docs](https://docs.neuroml.org).