What's Changed
* Remove typing imports for List, Tuple, Union by delucchi-cmu in https://github.com/astronomy-commons/hats/pull/441
* Update to PPT 2.0.5 - fixes slack notifications by delucchi-cmu in https://github.com/astronomy-commons/hats/pull/443
* Documentation improvements. by delucchi-cmu in https://github.com/astronomy-commons/hats/pull/445
* Ensure use of float64 when calling radec2pix by gitosaurus in https://github.com/astronomy-commons/hats/pull/447
* Use a naive sparse histogram. by delucchi-cmu in https://github.com/astronomy-commons/hats/pull/446
* Add testing for python 3.13 by delucchi-cmu in https://github.com/astronomy-commons/hats/pull/449
New Contributors
* gitosaurus made their first contribution in https://github.com/astronomy-commons/hats/pull/447
**Full Changelog**: https://github.com/astronomy-commons/hats/compare/v0.4.5...v0.4.6