xarray

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Astropy quantities are converted to bare arrays when creating an Index

3

### What is your issue? When provided as a data variable, an astropy `Quantity` is kept as a `Quantity`. But when provided as an index through the `coords` argument when...

hafarooki

### Is your feature request related to a problem? [stack](https://docs.xarray.dev/en/latest/generated/xarray.Dataset.stack.html) lets a user skip creating a potentially expensive MultiIndex by passing `create_index=False`. ### Describe the solution you'd like We should...

dcherian

Lazy concatenation of arrays

7

**Is your feature request related to a problem? Please describe.** Concatenating xarray objects forces the data to load. I recently learned about this [object](https://github.com/pydata/xarray/blob/235b2e5bcec253ca6a85762323121d28c3b06038/xarray/core/indexing.py#L592) allowing lazy indexing into an DataArrays/sets...

nbren12

`open_dataset` should fail early, before reaching `guess_engine` when file doesn't exist

5

### What happened? I ran a code in a script from long ago that uses `xr.open_dataset`, and I gave the script a path to a file that doesn't exist, and...

doronbehar

to_zarr with regions does not respect dim names -- only order.

1

### What happened? If i have 2 datasets with the same set of coords but in different orders then `to_zarr` writes them to a file in that order, rather than...

oxinabox

`Dataset.interp()` silently dropping time-like data arrays

2

### What happened? Interpolation of data arrays with time informatively errors: ```py # /// script # requires-python = ">=3.11" # dependencies = [ # "xarray[complete]@git+https://github.com/pydata/xarray.git@main", # ] # /// import...

VeckoTheGecko

### Is your feature request related to a problem? The [docs on for `dot`](https://docs.xarray.dev/en/stable/generated/xarray.dot.html#xarray.dot) do not mention how coordinates interact with dot. It is also not used in any examples....

oxinabox

to_zarr() does not maintain time encoding when appending to an existing store

6

### What happened? When writing a dataset to a zarr store, the time encoding is correctly stored and retrieved. However, when appending to an existing store, it is not possible...

lrntct

variable-sized chunks with zarr v3

2

- [ ] Closes #xxxx - [ ] Tests added - [ ] User visible changes (including notable bug fixes) are documented in `whats-new.rst` Building on top of zarr-developers/zarr-python#3534, this...

keewis

Overload DataArray's argmin and argmax methods on dim parameter

1

### Is your feature request related to a problem? DataArray's argmin and argmax methods currently have a return type of `Self | dict[Hashable, Self]`. However, based on the argument provided...

cfriedland5