chore(release): 2.2.1 [skip ci]

## [2.2.1](v2.2.0...v2.2.1) (2023-01-09)

### Performance Improvements

* **rust:** Replace leaf node index lookup HashMap with vector to improve performance. ([b857adb](b857adb))
* **rust:** Update iteration methods and reduce overheads when initialising new vectors/maps. ([6fb461a](6fb461a))

CHANGELOG.md

@@ -1,3 +1,11 @@
+## [2.2.1](https://github.com/aaronmussig/PhyloDM/compare/v2.2.0...v2.2.1) (2023-01-09)
+
+
+### Performance Improvements
+
+* **rust:** Replace leaf node index lookup HashMap with vector to improve performance. ([b857adb](https://github.com/aaronmussig/PhyloDM/commit/b857adbd67538bb58ec75896b0190bfe586ccbdf))
+* **rust:** Update iteration methods and reduce overheads when initialising new vectors/maps. ([6fb461a](https://github.com/aaronmussig/PhyloDM/commit/6fb461abdf2df4d66d886bdb27c143aa38ea67f8))
+
 # [2.2.0](https://github.com/aaronmussig/PhyloDM/compare/v2.1.3...v2.2.0) (2023-01-03)
 
 

CITATION.cff

@@ -6,10 +6,10 @@ authors:
   given-names: "Aaron J."
   orcid: "https://orcid.org/0000-0002-9988-0866"
 title: "PhyloDM"
-version: 2.2.0
+version: 2.2.1
 doi: 10.5281/zenodo.3998716
 url: "https://github.com/aaronmussig/PhyloDM"
-date-released: 2023-01-03
+date-released: 2023-01-09
 keywords:
  - phylogenetic
  - tree

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "phylodm"
-version = "2.2.0"
+version = "2.2.1"
 authors = ["Aaron Mussig <[email protected]>"]
 edition = "2021"
 description = "Efficient calculation of phylogenetic distance matrices."