Added {meth}anndata.AnnData.to_memory for returning an in memory object from a backed one {pr}470 {pr}542 {smaller}V Bergen {smaller}I Virshup
{meth}anndata.AnnData.write_loom now writes obs_names and var_names using the Index's .name attribute, if set {pr}538 {smaller}I Virshup

Fixed bug where np.str_ column names errored at write time {pr}457 {smaller}I Virshup
Fixed "value.index does not match parent’s axis 0/1 names" error triggered when a data frame is stored in obsm/varm after obs_names/var_names is updated {pr}461 {smaller}G Eraslan
Fixed adata.write_csvs when adata is a view {pr}462 {smaller}I Virshup
Fixed null values being converted to strings when strings are converted to categorical {pr}529 {smaller}I Virshup
Fixed handling of compression key word arguments {pr}536 {smaller}I Virshup
Fixed copying a backed AnnData from changing which file the original object points at {pr}533 {smaller}ilia-kats
Fixed a bug where calling AnnData.concatenate an AnnData with no variables would error {pr}537 {smaller}I Virshup

Passing positional arguments to {func}anndata.read_loom besides the path is now deprecated {pr}538 {smaller}I Virshup
{func}anndata.read_loom arguments obsm_names and varm_names are now deprecated in favour of obsm_mapping and varm_mapping {pr}538 {smaller}I Virshup

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