Pull requests

• Deprecate convert_strings_to_categoricals=True as the write default

  #2685·kokhlo opened Oct 6, 2026·

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• Backport PR #2678: fix: honour max_loaded_elems in concat_on_disk when no reindexing is needed

  #2684·ilan-gold opened Oct 5, 2026Contributor·3 tasks·

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• fix: bring back auto-sharding for dask

  #2680·ilan-gold opened Oct 1, 2026Contributor·3 tasks·

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• perf: faster reads of sparse matrices from zarr

  #2676·Intron7 opened Oct 1, 2026Member·

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• perf: faster subsetting of AnnData objects

  #2675·Intron7 opened Oct 1, 2026Member·

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• chore!: clean up old compat hacks

  #2673·flying-sheep opened Oct 1, 2026Member·3 tasks·

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  · 0.14.0
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• Backport PR #2629: feat: Store dask arrays matching dask chunk size

  #2669·ilan-gold opened Sep 30, 2026Contributor·3 tasks·

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• fix: warn when obs/var column names differ only by case

  #2668·kokhlo opened Sep 29, 2026·

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• fix: name offending elements when writing object arrays with non-strings to h5ad

  #2667·SajalDevX opened Sep 29, 2026·1 of 2 tasks·

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• fix: only expose ArrayView.keys for structured arrays

  #2666·wolfgang-aura opened Sep 29, 2026·2 of 3 tasks·

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• feat: write support for keys/columns that aren’t file names

  #2662·flying-sheep opened Sep 25, 2026Member··2 of 3 tasks·

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  · 0.14.0
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• feat: write support for sequences and accessors

  #2658·flying-sheep opened Sep 22, 2026Member··4 of 5 tasks·

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  · 0.14.0
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• feat: compat profiles for writing

  #2642·flying-sheep opened Sep 8, 2026Member··2 of 3 tasks·

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  · 0.14.0
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• fix: don't enforce identical df index on {obs,var}m

  #2641·ilan-gold opened Sep 8, 2026Contributor·3 tasks·

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  · 0.13.5
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• feat(concat_on_disk): support pairwise=True

  #2636·alejandro-publius opened Sep 6, 2026·2 tasks done·

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• docs: clarify in-place string conversion during writes

  #2626·rastagan-git opened Sep 1, 2026·2 of 3 tasks·

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• feat: expand support for data frame likes in obsm/varm

  #2606·flying-sheep opened Aug 13, 2026Member·2 of 4 tasks·

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  · 0.14.0
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• fix: write through to correct parent element in ArrayView

  #2596·flying-sheep opened Aug 7, 2026Member··1 of 4 tasks·

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  · 0.13.5
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• fix: preserve masked array in view

  #2582·flying-sheep opened Jul 31, 2026Member··3 tasks·

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  · 0.13.5
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• fix: replace H5AD only after successful write

  #2570·stanbot8 opened Jul 24, 2026·

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  · 0.13.5
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• fix: add element paths to concat errors

  #2568·stanbot8 opened Jul 22, 2026·

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• feat: honor use_sparse_array_on_read in lazy sparse reads

  #2566·Kayaba-Attribution opened Jul 21, 2026·1 of 2 tasks·

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• Fix lazy dataframe reindexing with unloaded annotation indexes

  #2565·ShreyanshGoyal opened Jul 21, 2026·8 of 9 tasks·

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• fix(concat_on_disk): retain aligned-mapping keys under join="outer"

  #2558·alejandro-publius opened Jul 15, 2026·2 tasks done·

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  · 0.14.0
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• test(backed): add regression for filename=None after read_h5ad

  #2517·SID-6921 opened Jun 27, 2026·

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