Update README.md

README.md

@@ -209,6 +209,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html)
 with respect to documented and/or tested features.
 
+### Unreleased
+
+- Fixed: Tests now pass with `numpy==2.0rc1`
+- Fixwd: `MappingAffine` uses lazy evaluation also for element mappings
+- Fixed: `MeshTet.init_tensor` uses less memory for large meshes
+
 ### [9.0.1] - 2024-01-12
 
 - Fixed: `ElementVector` works also for split_bases/split_indices in case `mesh.dim() != elem.dim`