pysat 3.2.1 is a bug fix and maintenance release. In particular, it fixes the unit test suite which applies throughout the ecosystem, and it fixes the file frequency calculations for instrument objects. This was causing an issue where pysatCDAAC would not import if any files were previously downloaded. Changes Bug Fix Fixed a bug for identifying clean warnings to test Imposed minimum frequency of 1D on Instrument.bounds to enable data loading for instruments with inter-file time intervals of less than one day Maintenance Update usage of dims to be consistent with future versions of xarray Update frequency strings for pandas Update usage of getitem for pds.Series Updates usage of dt.datetime.utcnow() to dt.datetime.now(dt.timezone.utc) Implement SPEC0000 testing limits for pandas, scipy, xarray. Update pip rc install workflow to test against multiple python versions Implement coveralls app in GitHub Actions Updated deprecated useage of step.delta to pds.Timedelta(step) Updated rationale and usage for export_pysat_info in docstrings. Update lower limits of core dependencies based on operational tests