Julia Signell

Also for CMIP6 I know there are at least downsampled versions available on Planetary Computer STAC (https://planetarycomputer.microsoft.com/dataset/nasa-nex-gddp-cmip6). It might be worth checking which extensions they are using to see if...

It looks to me like this would work. Although I guess you might want to specify that it should only result in one partition (like how the `from_pandas` one does)....

I looked at the code and it is pretty obvious why this is happening: https://github.com/pydata/xarray/blob/f25211928e50063b34e00f04cc9ff6d1468ea486/xarray/backends/zarr.py#L1561-L1567 I think if we just delete that one line: https://github.com/pydata/xarray/blob/f25211928e50063b34e00f04cc9ff6d1468ea486/xarray/backends/zarr.py#L1567 the behavior will match. But...

Yes exactly @keewis! Do you still think that the special handling for "auto" that exists in `open_zarr` should be pushed down into `open_dataset` or are you good with the idea...

Thanks for writing this up @doronbehar! Just to be clear xarray is failing to guess a backend based on the file extension. So failing to guess a backend is not...

> Shouldn't it be pretty easy to detect these URI prefixes in the input string? Sure , but the broader concept is that it is the responsibility of the engine...