updated changelog

CHANGELOG.md

@@ -1,5 +1,40 @@
 ### Tobac Changelog
 
+_**Version 1.5.4:**_
+
+**Enhancements for Users**
+
+- Added the ability to use the Minimum Euclidean Spanning Tree merge/split method on data with periodic boundaries [#372](https://github.com/tobac-project/tobac/pull/372)
+- Added the ability to calculate online bulk statistics during feature detection on the raw (i.e., unsmoothed) data [#449](https://github.com/tobac-project/tobac/pull/449)
+
+
+**Bug fixes**
+
+- Fixes to calculations of bulk statistics [#437](https://github.com/tobac-project/tobac/pull/437)
+- Fixes to handling of PBC feature points on the PBC wraparound border [#434](https://github.com/tobac-project/tobac/pull/434)
+- Fixed an error that allows non-matching features to be used in the offline bulk statistics calculation [#448](https://github.com/tobac-project/tobac/pull/448)
+- Fixed a bug that prevented using minimum distance filtering with varying vertical coordinates [#452](https://github.com/tobac-project/tobac/pull/452)
+
+
+**Documentation**
+
+- Add thumbnails to the new example gallery [#428](https://github.com/tobac-project/tobac/pull/428)
+- Added documentation for developers [#281](https://github.com/tobac-project/tobac/pull/281)
+- Updated documentation for the `n_min_threshold` function in feature detection [#432](https://github.com/tobac-project/tobac/pull/432)
+- Added documentation for dealing with big datasets [#408](https://github.com/tobac-project/tobac/pull/408)
+- Updated documentation to note that the *tobac* v1.5.0 paper in GMD is in its final form [#450](https://github.com/tobac-project/tobac/pull/450)
+- 
+
+**Internal Enhancements**
+
+- PBC Distance Function handling improved for tracking and other portions of the library that uses it [#386](https://github.com/tobac-project/tobac/pull/386)
+- Added tests to `tobac.utils.get_spacings`  [#429](https://github.com/tobac-project/tobac/pull/429)
+- Added matrix testing for Python 3.12  [#451](https://github.com/tobac-project/tobac/pull/451)
+- Resolved issues around updating dependencies in `black` formatting checks and Zenodo JSON checks [#457](https://github.com/tobac-project/tobac/pull/457)
+
+
+
+
 _**Version 1.5.3:**_
 
 **Enhancements for Users**