html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue
https://github.com/pydata/xarray/issues/2422#issuecomment-422979924,https://api.github.com/repos/pydata/xarray/issues/2422,422979924,MDEyOklzc3VlQ29tbWVudDQyMjk3OTkyNA==,2448579,2018-09-19T22:29:51Z,2018-09-19T22:29:51Z,MEMBER,"Yes #2294 changed the default `xincrease, yincrease` to be `None` rather than `True`. Previously, if `xincrease` was `True` we were setting axis limits and this prevented the axis from auto-updating its limits. Now that we are using the `invert_axis()` method, this might not be an issue. (Actually, now that I look at the code for `invert_axis()`, all I needed to do earlier was set the kwarg `auto=None` in the call to `set_xlim`, so this would be an easy way to revert to the previous code.)

I switched the default to `None` because I thought it was better to make the least number of modifications to the axis by default.

That said, I cannot reproduce this with a dataset with decreasing latitude so I'm very confused about what's happening.
```
da = xr.DataArray(np.arange(24).reshape(3,8), dims=('latitude', 'longitude'),
                 coords={'latitude': [8, 0, -8],
                        'longitude': np.arange(8)})

da.plot()
```

PS: I'm on a ship in the middle of the Pacific with crappy internet access. @fmaussion I'd appreciate it if you could look at this so we can get the release out. I will respond but there'll be a large time lag.

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