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# .NET for Apache Spark 0.4 Release Notes | ||
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### New Features and Improvements | ||
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* Revamped loading assemblies used inside UDFs ([#180](https://github.com/dotnet/spark/pull/180)) | ||
* Support for Vector UDFs ([#127](https://github.com/dotnet/spark/pull/127)) | ||
* Support for Grouped Map UDFs ([#143](https://github.com/dotnet/spark/pull/143)) | ||
* Resolve the signer mismatch issue ([#186](https://github.com/dotnet/spark/pull/186)) | ||
* Ability to launch a debugger from the worker ([#150](https://github.com/dotnet/spark/pull/150)) | ||
* Compatibility check for Microsoft.Spark.dll in the worker ([#170](https://github.com/dotnet/spark/pull/170)) | ||
* Update Apache.Arrow to v0.14.1 ([#167](https://github.com/dotnet/spark/pull/167)) | ||
* Support for RuntimeConfig in SparkSession ([#184](https://github.com/dotnet/spark/pull/184)) | ||
* Support for `Trigger` in `DataStreamWriter` ([#153](https://github.com/dotnet/spark/pull/153)) | ||
* The ability to use `--archives` option to deploy the worker binaries and assemblies that UDFs depend on ([#187](https://github.com/dotnet/spark/pull/187)) | ||
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### Breaking Changes | ||
* Due to the changes in loading assemblies ([#180](https://github.com/dotnet/spark/pull/180)), the Microsoft.Spark.Worker executable is no longer compatible with the previous versions. | ||
* The `--class org.apache.spark.deploy.DotnetRunner` option in `spark-submit` is changed to **`--class org.apache.spark.deploy.dotnet.DotnetRunner`** to resolve the signer mismatch issue ([#186](https://github.com/dotnet/spark/pull/186)). | ||
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### Supported Spark Versions | ||
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The following table outlines the supported Spark versions along with the microsoft-spark JAR to use with: | ||
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<table> | ||
<thead> | ||
<tr> | ||
<th>Spark Version</th> | ||
<th>microsoft-spark JAR</th> | ||
</tr> | ||
</thead> | ||
<tbody align="center"> | ||
<tr> | ||
<td>2.3.*</td> | ||
<td>microsoft-spark-2.3.x-0.4.0.jar</td> | ||
</tr> | ||
<tr> | ||
<td>2.4.0</td> | ||
<td rowspan=3>microsoft-spark-2.4.x-0.4.0.jar</td> | ||
</tr> | ||
<tr> | ||
<td>2.4.1</td> | ||
</tr> | ||
<tr> | ||
<td>2.4.3</td> | ||
</tr> | ||
<tr> | ||
<td>2.4.2</td> | ||
<td><a href="https://github.com/dotnet/spark/issues/60">Not supported</a></td> | ||
</tr> | ||
</tbody> | ||
</table> |
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