Merge branch 'main' into pa/write-slashes

Author: flying-sheep

docs/release-notes/0.12.11.md

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+(v0.12.11)=
+### 0.12.11 {small}`2026-04-21`
+
+#### Bug fixes
+
+- {attr}`anndata.settings.zarr_write_format` and {attr}`anndata.settings.auto_shard_zarr_v3` can now be set together {user}`ilan-gold` ({pr}`2342`)
+- Check `Raw` length on creation and fix associated `.adata` in `Raw` slicing {user}`P Angerer` ({pr}`2351`)
+- Ensure the index name along `obs` and `var` are not lost when reading/writing to disk after reading with {func}`~anndata.experimental.read_lazy` {user}`ilan-gold` ({pr}`2358`)
+
+#### Performance
+
+- Accelerate outer joins on dask-sparse matrices with unchunked minor axes in {func}`anndata.concat` {user}`ilan-gold` ({pr}`2395`)

docs/release-notes/0.12.12.md

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+(v0.12.12)=
+### 0.12.12 {small}`2026-05-06`
+
+#### Bug fixes
+
+- Disallow {meth}`anndata.AnnData.transpose` when `X` or `layers` contains {class}`h5py.Dataset`, {class}`zarr.Array` ,{class}`anndata.abc.CSRDataset`, or {class}`anndata.abc.CSCDataset` {user}`ilan-gold`. ({pr}`2399`)
+- Don't force {attr}`anndata.settings.check_uniqueness` if user loads an annotation index with {func}`anndata.experimental.read_lazy` {user}`ilan-gold`. ({pr}`2419`)

docs/release-notes/0.12.13.md

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+(v0.12.13)=
+### 0.12.13 {small}`2026-05-07`
+
+#### Bug fixes
+
+- Ensure non-string indexes are preserved in {attr}`~anndata.AnnData.uns` using {func}`~anndata.experimental.read_lazy` (introduced by {pr}`2419`) {user}`ilan-gold` ({pr}`2423`)

docs/release-notes/0.12.14.md

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+(v0.12.14)=
+### 0.12.14 {small}`2026-05-12`
+
+#### Bug fixes
+
+- {attr}`anndata.settings.auto_shard_zarr_v3` and {attr}`anndata.settings.zarr_write_format` are no longer dependent on each other, as stated in the docs {user}`ilan-gold` ({pr}`2427`)
+
+#### Performance
+
+- {attr}`anndata.settings.auto_shard_zarr_v3` now utilizes zarr's support for a target shard via `zarr.config.set({"array.target_shard_size_bytes" ...})` (only `zarr` version `>=3.1.4`) to make the target shard size 1GB (uncompressed) if not otherwise set. {user}`ilan-gold` ({pr}`2427`)