[Numpy-discussion] ANN: xarray v0.9 released

[Marmaduke Woodman]

> On 1 Feb 2017, at 05:19, Stephan Hoyer <shoyer at gmail.com> wrote:
> 
> This release includes five months worth of enhancements and bug fixes from 24 contributors, including some significant enhancements to the data model that are not fully backwards compatible. 

Looks very nice; is the API stable or are you waiting for a v1.0 release?

Is there significant overhead compared to plain ndarray?