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| 1 | +# .NET for Apache Spark 0.11 Release Notes |
| 2 | + |
| 3 | +### New Features and Improvements |
| 4 | + |
| 5 | +* Ability to pass and return [corefxlab](https://github.com/dotnet/corefxlab) DataFrames to UDF APIs ([#277](https://github.com/dotnet/spark/pull/277)) |
| 6 | +* Support for ML TF-IDF (Term frequency-inverse document frequency) feature vectorization method ([#394](https://github.com/dotnet/spark/pull/394)) |
| 7 | +* Support for TimestampType in `DataFrame.Collect()`, `CreateDataFrame` and UDFs ([#428](https://github.com/dotnet/spark/pull/428)) |
| 8 | +* Support for Broadcast Variables ([#414](https://github.com/dotnet/spark/pull/414)) |
| 9 | +* Support for ML feature Word2Vec ([#491](https://github.com/dotnet/spark/pull/491)) |
| 10 | +* Streamline logging when there is a failure ([#439](https://github.com/dotnet/spark/pull/439)) |
| 11 | + |
| 12 | + |
| 13 | +### Breaking Changes |
| 14 | + |
| 15 | +* `SparkSession.Catalog` is changed from a method to a property ([#508](https://github.com/dotnet/spark/pull/508)) |
| 16 | + |
| 17 | +### Compatibility |
| 18 | + |
| 19 | +#### Backward compatibility |
| 20 | + |
| 21 | +The following table describes the oldest version of the worker that the current version is compatible with, along with new features that are incompatible with the worker. |
| 22 | + |
| 23 | +<table> |
| 24 | + <thead> |
| 25 | + <tr> |
| 26 | + <th>Oldest compatible Microsoft.Spark.Worker version</th> |
| 27 | + <th>Incompatible features</th> |
| 28 | + </tr> |
| 29 | + </thead> |
| 30 | + <tbody align="center"> |
| 31 | + <tr> |
| 32 | + <td rowspan=4>v0.9.0</td> |
| 33 | + <td>DataFrame with Grouped Map UDF <a href="https://github.com/dotnet/spark/pull/277">(#277)</a></td> |
| 34 | + </tr> |
| 35 | + <tr> |
| 36 | + <td>DataFrame with Vector UDF <a href="https://github.com/dotnet/spark/pull/277">(#277)</a></td> |
| 37 | + </tr> |
| 38 | + <tr> |
| 39 | + <td>Support for Broadcast Variables <a href="https://github.com/dotnet/spark/pull/414">(#414)</a></td> |
| 40 | + </tr> |
| 41 | + <tr> |
| 42 | + <td>Support for TimestampType <a href="https://github.com/dotnet/spark/pull/428">(#428)</a></td> |
| 43 | + </tr> |
| 44 | + </tbody> |
| 45 | +</table> |
| 46 | + |
| 47 | +#### Forward compatibility |
| 48 | + |
| 49 | +The following table describes the oldest version of .NET for Apache Spark release that the current worker is compatible with. |
| 50 | + |
| 51 | +<table> |
| 52 | + <thead> |
| 53 | + <tr> |
| 54 | + <th>Oldest compatible .NET for Apache Spark release version</th> |
| 55 | + </tr> |
| 56 | + </thead> |
| 57 | + <tbody align="center"> |
| 58 | + <tr> |
| 59 | + <td>v0.9.0</td> |
| 60 | + </tr> |
| 61 | + </tbody> |
| 62 | +</table> |
| 63 | + |
| 64 | +### Supported Spark Versions |
| 65 | + |
| 66 | +The following table outlines the supported Spark versions along with the microsoft-spark JAR to use with: |
| 67 | + |
| 68 | +<table> |
| 69 | + <thead> |
| 70 | + <tr> |
| 71 | + <th>Spark Version</th> |
| 72 | + <th>microsoft-spark JAR</th> |
| 73 | + </tr> |
| 74 | + </thead> |
| 75 | + <tbody align="center"> |
| 76 | + <tr> |
| 77 | + <td>2.3.*</td> |
| 78 | + <td>microsoft-spark-2.3.x-0.11.0.jar</td> |
| 79 | + </tr> |
| 80 | + <tr> |
| 81 | + <td>2.4.0</td> |
| 82 | + <td rowspan=5>microsoft-spark-2.4.x-0.11.0.jar</td> |
| 83 | + </tr> |
| 84 | + <tr> |
| 85 | + <td>2.4.1</td> |
| 86 | + </tr> |
| 87 | + <tr> |
| 88 | + <td>2.4.3</td> |
| 89 | + </tr> |
| 90 | + <tr> |
| 91 | + <td>2.4.4</td> |
| 92 | + </tr> |
| 93 | + <tr> |
| 94 | + <td>2.4.5</td> |
| 95 | + </tr> |
| 96 | + <tr> |
| 97 | + <td>2.4.2</td> |
| 98 | + <td><a href="https://github.com/dotnet/spark/issues/60">Not supported</a></td> |
| 99 | + </tr> |
| 100 | + </tbody> |
| 101 | +</table> |
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