All issues

read_zarr fails with obs columns that differ only by case

#2576

· cvduffy opened

on Jul 28, 2026

Migrate to `cs{r,c}_array` internally/externally

type: sparse 🫥

#2477

· ilan-gold opened

on Jun 3, 2026

`pandas>=3` breaks with `xarray.Dataset` in `obsm`/`varm` when using `anndata.concat` and `load_annotation_index`

#2475

· ilan-gold opened

on Jun 2, 2026

make ref path available in `write_dispatched` and `read_dispatched` callback

#2457

· flying-sheep opened

on May 19, 2026

Allow any unicode incl. `/` and `\` in `obsm` keys, `obs` columns, `uns` keys, …

#2450

· flying-sheep opened

on May 18, 2026

·

write_zarr fails with LocalCUDACluster (dask-cuda) when adata.X has been persisted

#2444

· Intron7 opened

on May 13, 2026

`layers` can be 3D on-disk

#2430

· ilan-gold opened

on May 8, 2026

·

make write_zarr respect the public chunks parameter when the input is sparse

#2415

· mkarikom opened

on May 2, 2026

Support `pairwise` for `concat_on_disk`

#2414

· alam-shahul opened

on Apr 30, 2026

Expose canonical section-name tuple alongside `iter_outer`

#2401

· katosh opened

on Apr 21, 2026

`concat_on_disk` with `join='outer'` doesn't retain all `.obsm` fields

#2394

· alam-shahul opened

on Apr 16, 2026

·

Support sparse pandas DataFrames

type: dataframe 🧮

type: sparse 🫥

#2380

· WeilerP opened

on Apr 2, 2026