update changelog

CHANGELOG.md

@@ -27,6 +27,7 @@ but cannot always guarantee backwards compatibility. Changes that may **break co
 - Fixed an issue with `TorchForecastingModel.load_from_checkpoint()` not properly loading the loss function and metrics. [#1749](https://github.com/unit8co/darts/pull/1749) by [Antoine Madrona](https://github.com/madtoinou).
 - Fixed a bug when loading the weights of a `TorchForecastingModel` trained with encoders or a Likelihood. [#1744](https://github.com/unit8co/darts/pull/1744) by [Antoine Madrona](https://github.com/madtoinou).
 - Fixed a bug when using selected `target_components` with `ShapExplainer. [#1803](https://github.com/unit8co/darts/pull/#1803) by [Dennis Bader](https://github.com/dennisbader).
+- Fixed `TimeSeries.__getitem__()` for series with a RangeIndex with start != 0 and freq != 1. [#1868](https://github.com/unit8co/darts/pull/#1868) by [Dennis Bader](https://github.com/dennisbader).
 
 ## [0.24.0](https://github.com/unit8co/darts/tree/0.24.0) (2023-04-12)
 ### For users of the library: