Log Message:
py-xarray: updated to 0.18.0

v0.18.0 (6 May 2021)

This release brings a few important performance improvements, a wide range of \ 
usability upgrades, lots of bug fixes, and some new features. These include a \ 
plugin API to add backend engines, a new theme for the documentation, curve \ 
fitting methods, and several new plotting functions.

v0.17.0 (24 Feb 2021)

This release brings a few important performance improvements, a wide range of \ 
usability upgrades, lots of bug fixes, and some new features. These include \ 
better cftime support, a new quiver plot, better unstack performance, more \ 
efficient memory use in rolling operations, and some python packaging \ 
improvements. We also have a few documentation improvements (and more planned!).

v0.16.2 (30 Nov 2020)

This release brings the ability to write to limited regions of zarr files, open \ 
zarr files with :py:func:`open_dataset` and :py:func:`open_mfdataset`, increased \ 
support for propagating attrs using the keep_attrs flag, as well as numerous \ 
bugfixes and documentation improvements.

v0.16.1 (2020-09-20)

This patch release fixes an incompatibility with a recent pandas change, which \ 
was causing an issue indexing with a datetime64. It also includes improvements \ 
to rolling, to_dataframe, cov & corr methods and bug fixes. Our \ 
documentation has a number of improvements, including fixing all doctests and \ 
confirming their accuracy on every commit.

v0.16.0 (2020-07-11)

This release adds xarray.cov & xarray.corr for covariance & correlation \ 
respectively; the idxmax & idxmin methods, the polyfit method & \ 
xarray.polyval for fitting polynomials, as well as a number of documentation \ 
improvements, other features, and bug fixes. Many thanks to all 44 contributors \ 
who contributed to this release: