chore(geoparquet): prepare for 0.4 release (#1221)

Added changelog

Author: kylebarron

CHANGELOG.md

@@ -2,6 +2,29 @@
 
 **This is the changelog for the core Rust library**. There's a [separate changelog](./python/CHANGELOG.md) for the Python bindings, and there will be another for the JS bindings.
 
+## 0.4.0 (`geoparquet` crate) - 2025-07-08
+
+New standalone `geoparquet` crate!
+
+### New Features :magic_wand:
+
+- GeoParquet reader refactor to avoid making duplicate wrappers of upstream structs #1089
+  - Removes wrapper structs for builders. So we no longer have a `GeoParquetRecordBatchReaderBuilder` or a `GeoParquetRecordBatchStreamBuilder`. Users will use upstream `parquet` sync/async `Builder` structs directly. Means a significantly lower maintenance overhead here, and we don't need to do anything to support new upstream functionality.
+  - Adds `GeoParquetReaderBuilder` **trait** that extends the upstream [`ArrowReaderBuilder`](https://docs.rs/parquet/latest/parquet/arrow/arrow_reader/struct.ArrowReaderBuilder.html). This allows users to implement a spatial [`RowFilter`](https://docs.rs/parquet/latest/parquet/arrow/arrow_reader/struct.RowFilter.html) directly on an upstream builder instance. It also allows low-level access, so that if a user wanted a spatial filter _plus_ something else, that would be doable.
+  - Allows user to choose when the WKB column should be parsed to a native GeoArrow type or not in the `geoarrow_schema` method. (the `parse_to_native` parameter)
+  - **Keeps wrapper structs for readers**. So we still have a `GeoParquetRecordBatchReader` and a `GeoParquetRecordBatchStream`, but these are _very lightweight_ wrappers.
+
+      The benefit of having these wrapper structs is that we can ensure GeoArrow metadata is always applied onto the emitted `RecordBatch`es.
+- Refactor of GeoParquetReaderMetadata and GeoParquetDatasetMetadata #1172
+  - Remove `Option` for the geospatial metadata of each `GeoParquetReaderMetadata` and `GeoParquetDatasetMetadata`. We assume that if the user is using the `geoparquet` crate, all files will have valid GeoParquet metadata.
+- Remove GeoParquet writer wrappers and just expose encoder #1214
+  - Similar to how we refactored the read side (https://github.com/geoarrow/geoarrow-rs/pull/1089, https://github.com/geoarrow/geoarrow-rs/pull/1172), this PR changes the writing APIs of the `geoparquet` crate to only provide _additive_ APIs to the upstream `parquet` crate. So this is now intended to be used _in conjunction with_ the upstream `parquet` crate, not exclusively of it.
+- Add support for writing covering column to GeoParquet #1216
+  - Add support for generating the a bounding box covering column while writing data.
+  - Reconfigure writer properties generation. This takes inspiration from the upstream `parquet` properties generation, and has both _column_ specific properties and _default_ properties. So you can set the encoding for _all_ columns but you can also override the encodings for specific columns.
+- Allow passing primary column to parquet writer #1159
+- Correctly set geometry types in GeoParquet metadata when writing #1218
+
 ## [0.4.0] - 2025-05-28
 
 This release contains more or less a **full rewrite** of the GeoArrow Rust library.