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+# 0.3.0a1 (Jan 2022)
+
+## Breaking/specification changes
+
+- Add support for 0.4 OME-NGFF specification (axes [#124](https://github.com/ome/ome-zarr-py/pull/124)), HCS [#159](https://github.com/ome/ome-zarr-py/pull/159))
+
+## API additions
+
+- Add API for writing plate & well metadata ([#153](https://github.com/ome/ome-zarr-py/pull/153), [#157](https://github.com/ome/ome-zarr-py/pull/157))
+- Add API for writing multiscales metadata ([#149](https://github.com/ome/ome-zarr-py/pull/149))
+
+## Bug fix
+
+- Cap aiohttp to version 3.x ([#127](https://github.com/ome/ome-zarr-py/pull/127))
+
 # 0.2.0 (Oct 2021)
 
 ## Breaking changes
 
 - Add support for writing and scaling 2D, 3D and 4D data ([#114](https://github.com/ome/ome-zarr-py/pull/114))
 
-## Breaking changes
+## Infrastructure changes
 
 - Add dispatch GitHub workflow ([#118](https://github.com/ome/ome-zarr-py/pull/118))