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xarray interp with method="cubic" fails for time/lon/lat interpolation

needs triageIssue that has not been reviewed by xarray team memberIssue that has not been reviewed by xarray team member

Status: Open.

#11342 In pydata/xarray;

· mnergizci opened on May 15, 2026

A single nested tuple MultiIndex key is located correctly but preserves the dimension

bug

topic-indexing

Status: Open.

#11341 In pydata/xarray;

· cfriedland5 opened on May 15, 2026

cumulate+argmax uses padded index instead of absolute index

bug

needs triageIssue that has not been reviewed by xarray team memberIssue that has not been reviewed by xarray team member

Status: Open.

#11336 In pydata/xarray;

· saschahofmann opened on May 13, 2026

Extend FillValueCoder.decode to accept JSON-native scalars for the zarr backend

enhancement

Status: Open.

#11332 In pydata/xarray;

· maxrjones opened on May 11, 2026

FutureCancelledError (lost dependencies) during dask.compute with optimize_graph=True when chaining Dataset.assign

bug

needs triageIssue that has not been reviewed by xarray team memberIssue that has not been reviewed by xarray team member

Status: Open.

#11329 In pydata/xarray;

· maneesh29s opened on May 10, 2026

RangeIndex.arange does not preserve step, has different values than numpy.arange

bug

needs triageIssue that has not been reviewed by xarray team memberIssue that has not been reviewed by xarray team member

Status: Open.

#11325 In pydata/xarray;

· cfriedland5 opened on May 8, 2026

2026.4.0 breaks pickling with backends.scipy_

bug

contrib-good-first-issue

regression

topic-backends

Status: Open.

#11323 In pydata/xarray;

· SoundDesignerToBe opened on May 6, 2026

concat fails due to StringDtype introduced by pd.Index

bug

needs triageIssue that has not been reviewed by xarray team memberIssue that has not been reviewed by xarray team member

Status: Open.

#11317 In pydata/xarray;

· vincentschut opened on Apr 29, 2026

Cannot call .chunk('auto') on DataTree.

bug

needs triageIssue that has not been reviewed by xarray team memberIssue that has not been reviewed by xarray team member

Status: Open.

#11315 In pydata/xarray;

· BorisTheBrave opened on Apr 29, 2026

_decode_cf_datetime_dtype triggers 2 store reads per time variable — expensive on remote stores

Status: Open.

#11303 In pydata/xarray;

· aladinor opened on Apr 17, 2026

.idxmax() fails if coordinates are intervals

bug

needs triageIssue that has not been reviewed by xarray team memberIssue that has not been reviewed by xarray team member

Status: Open.

#11300 In pydata/xarray;

· j-haacker opened on Apr 16, 2026

Negative chunks break in newer version

bug

topic-zarrRelated to zarr storage libraryRelated to zarr storage library

Status: Open.

#11288 In pydata/xarray;

· hhalaby opened on Apr 9, 2026