Support aggregating sparse arrays. (#442)

Better handling of RangeIndex for sparse reindexing (#440)

Add zonal stats user story for #428 (#435)

Better cftime handling (#426)

Add quantile benchmark (#418)

Revert "Support first, last with datetime, timedelta (#402)" (#404)

This reverts commit 4f6164f.

Support first, last with datetime, timedelta (#402)

Faster subsetting for cohorts (#397)

* Faster subsetting for cohorts

Closes #396

* tpying

Fix default int on windows, numpy<2 (#395)

* Avoid rechunking when preferred_method="blockwise"

* Add new numpy1 environment

* try int_ instead of intp

* Use uintp instead

* Use np.uint instead

* more fixes

* Add test

* fix

* fix again

Preserve dtype better when specified. (#389)

* Preserve dtype better when specified.

* Add one more test

* tweak test

* more test

* [revert] test with Xarray PR branch

* tweak

* show versions

* Drop python 3.9, use ruff

* switch to Ruff

* fix mypy

* remove toctrees

* fix

* one more