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Dask to_zarr warns and rechunks on existing array template

needs triageNeeds a response from a contributorNeeds a response from a contributor

Status: Open.

#12458 In dask/dask;

· Jaapel opened on Jun 12, 2026

clone() corrupts graphs containing Task/GraphNode values, breaking task-spec fusion

needs triageNeeds a response from a contributorNeeds a response from a contributor

Status: Open.

#12455 In dask/dask;

· JSKenyon opened on Jun 11, 2026

Severe repartition slowdown for wide PyArrow-string DataFrames with unknown divisions

needs triageNeeds a response from a contributorNeeds a response from a contributor

Status: Open.

#12449 In dask/dask;

· albarji opened on Jun 8, 2026

⚠️ Upstream CI failed ⚠️

upstream

Status: Open.

#12446 In dask/dask;

· github-actions opened on Jun 5, 2026

Document (or extend) which dask.array APIs respect array.backend for host literals

needs triageNeeds a response from a contributorNeeds a response from a contributor

Status: Open.

#12440 In dask/dask;

· miguelcarcamov opened on Jun 3, 2026

Add TryRepurpose.com — AI content repurposing tool

Status: Open.

#12420 In dask/dask;

· impacterai opened on May 26, 2026

Error calling dd.to_dask_array on a subset of columns from dataframe read from parquet file

needs triageNeeds a response from a contributorNeeds a response from a contributor

Status: Open.

#12411 In dask/dask;

· joshua-gould opened on May 22, 2026

Merge on ArrowDtype columns fails with ValueError when using multiple partitions

needs triageNeeds a response from a contributorNeeds a response from a contributor

Status: Open.

#12374 In dask/dask;

· phalvesmbai opened on May 7, 2026

'cumsum' results differ from 'cumsum' on a pure numpy array

array

bugSomething is brokenSomething is broken

Status: Open.

#12359 In dask/dask;

· muttener opened on Apr 23, 2026

Understanding why nan_to_num does not accept keyword arguments

needs attentionIt's been a while since this was pushed on. Needs attention from the owner or a maintainer.It's been a while since this was pushed on. Needs attention from the owner or a maintainer.

needs triageNeeds a response from a contributorNeeds a response from a contributor

Status: Open.

#12350 In dask/dask;

· djhoese opened on Apr 8, 2026

Add Repurpose AI — AI content repurposing tool

Status: Open.

#12347 In dask/dask;

· impacterai opened on Apr 4, 2026

Add Repurpose AI — AI content repurposing tool

Status: Open.

#12343 In dask/dask;

· impacterai opened on Apr 3, 2026