changelog

Author: nicolaskruchten

Diff for: CHANGELOG.md

@@ -6,7 +6,11 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Added
 
-  - `pattern_shape` options now available in `px.timeline()`
+  - `pattern_shape` options now available in `px.timeline()` [#3774](https://github.com/plotly/plotly.py/pull/3774)
+
+### Performance
+
+  - `px` methods no longer call `groupby` on the input dataframe when the result would be a single group, and no longer groups by a lambda, for significant speedups [#3765](https://github.com/plotly/plotly.py/pull/3765)
 
 ## [5.8.2] - 2022-06-10