## Unreleased
+## 0.4.0 - 2020-05-26
+### Added
+- 3D grid extension.
+- Uniform sampling. (Normal sampling is still default.)
+- Compound extensions 18 - 33.
+- Path optimization in backward direction.
+- Goal found check for zone instead of Euclidean distance and max. angle
+ extension.
+
+### Changed
+- Reformat lists in readme.
+- Add `RRTExt3` to compound extensions 18 - 33.
+
## 0.3.1 - 2020-01-03
### Fixed
- Double value in unsigned int constant.
- Deinit method -- get ready for planner reset.
- JSON input.
- JSON output.
+- 2D K-d tree extension.
+- 3D K-d tree extension.
### Changed
- How the algorithm is stopped - possible to choose from more options.