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| <h2>Spark Release 3.2.1</h2> |
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| <p>Spark 3.2.1 is a maintenance release containing stability fixes. This release is based on the branch-3.2 maintenance branch of Spark. We strongly recommend all 3.2 users to upgrade to this stable release.</p> |
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| <h3 id="notable-changes">Notable changes</h3> |
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| <ul> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-30789">[SPARK-30789]</a>: Support IGNORE/RESPECT NULLS for LEAD/LAG/NTH_VALUE/FIRST_VALUE/LAST_VALUE</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-33277">[SPARK-33277]</a>: Python/Pandas UDF right after off-heap vectorized reader could cause executor crash.</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34399">[SPARK-34399]</a>: Add file commit time to metrics and shown in SQL Tab UI</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35714">[SPARK-35714]</a>: Bug fix for deadlock during the executor shutdown</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-36754">[SPARK-36754]</a>: array_intersect should handle Double.NaN and Float.NaN</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37001">[SPARK-37001]</a>: Disable two level of map for final hash aggregation by default</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37023">[SPARK-37023]</a>: Avoid fetching merge status when shuffleMergeEnabled is false for a shuffleDependency during retry</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37088">[SPARK-37088]</a>: Python UDF after off-heap vectorized reader can cause crash due to use-after-free in writer thread</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37202">[SPARK-37202]</a>: Temp view didn’t collect temp function that registered with catalog API</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37208">[SPARK-37208]</a>: Support mapping Spark gpu/fpga resource types to custom YARN resource type</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37214">[SPARK-37214]</a>: Fail query analysis earlier with invalid identifiers</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37392">[SPARK-37392]</a>: Fix the performance bug when inferring constraints for Generate</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37695">[SPARK-37695]</a>: Skip diagnosis ob merged blocks from push-based shuffle</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37705">[SPARK-37705]</a>: Write session time zone in the Parquet file metadata so that rebase can use it instead of JVM timezone</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37957">[SPARK-37957]</a>: Deterministic flag is not handled for V2 functions</li> |
| </ul> |
| |
| <h3 id="dependency-changes">Dependency Changes</h3> |
| |
| <p>While being a maintence release we did still upgrade some dependencies in this release they are:</p> |
| |
| <ul> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37113">[SPARK-37113]</a>: Upgrade Parquet to 1.12.2</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37238">[SPARK-37238]</a>: Upgrade ORC to 1.6.12</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37534">[SPARK-37534]</a>: Bump dev.ludovic.netlib to 2.2.1</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-37656">[SPARK-37656]</a>: Upgrade SBT to 1.5.7</li> |
| </ul> |
| |
| <p>You can consult JIRA for the <a href="https://s.apache.org/spark-3.2.1">detailed changes</a>.</p> |
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| <p>We would like to acknowledge all community members for contributing patches to this release.</p> |
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| <li><a href="/news/spark-3-4-3-released.html">Spark 3.4.3 released</a> |
| <span class="small">(Apr 18, 2024)</span></li> |
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