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Export - CSV (Current fields)
SPARK-27410
Remove deprecated/no-op mllib.Kmeans get/setRuns methods
Remove unneeded direct dependence on Netty 3.xSPARK-36212
Add exception for Kafka readstream when decryption fails
Remove JavaSparkContextVarargsWorkaround and standardize union() methodsSPARK-31584
NullPointerException when parsing event log with InMemoryStore
Spark UI is not showing Aggregated Metrics by Executor in stage page
Resolve most miscellaneous deprecation and build warnings for Spark 3
Fix scala version string detection when maven-help-plugin is not pre-installed
Update Thrift to 0.12.0
Make DecimalType's minimum adjusted scale configurableSPARK-25984
Remove deprecated .newInstance(), primitive wrapper class constructor calls
Fix core tests for Java 11
SPARK-26189
Fix the doc of unionAll in SparkR
Delegation Token seems not appropriately stored on secrets of Kubernetes/Kerberized HDFS
Update plugins, including MiMa
Removing old LEGACY_DRIVER_IDENTIFIER ("<driver>")
Update JPMML to 1.4.8 for Java 9+
Remove SchedulerExtensionService
Fix definition of clustering silhouette coefficient for 1-element clusters
Use Single-Abstract-Method support in Scala 2.12 to simplify code
Snappy 1.1.7.1 fails when decompressing empty serialized data
Spark on K8S Integration Tests timeouts are too short for some test clusters
Add JAXB reference impl to build for Java 9+
SizeEstimator can't make some JDK fields accessible in Java 9+
Prevent "purge" to remove needed batch files in CompactibleFileStreamLog
Update Xerces to 2.12.0
Improve insertInto behaviour
Reading of csv file fails with adaptive execution turned on
JDK 1.8.0_232 timezone updates cause "Kwajalein" test failures again
Redundant javax.activation dependencies in the Maven build
Fall back to archive.apache.org to download Maven if mirrors don't have requested version
Use log1p(x) instead of log(1+x) and expm1(x) instead of exp(x)-1
ml.util.Instrumentation.logFailure doesn't log error message
Spark 3.0 build warnings: reflectiveCalls edition
Remove obsolete spark-mesos Docker image
Remove outdated Experimental, Evolving annotations
Update to Scala 2.12.8
Make SparkHadoopUtil private to Spark
Code cleanup from lgtm.com analysis
Fix build warnings for 3.0: postfixOps edition
Remove class SnappyOutputStreamWrapper
Support specification of column names in INSERT INTO
Prevent column name duplication in temporary view
Make saveAsTable() and createOrReplaceTempView() return dataframe of created table/ created view
Replace Java shim functional interfaces like java.api.Function with Java 8 equivalents
multiple simultaneous job submissions against k8s backend cause driver pods to hang
Implement maxNumConcurrentTasks() in MesosFineGrainedSchedulerBackend
PySpark Bindings for K8S - make Python 3 the default
Check for JIRA_USERNAME and JIRA_PASSWORD up front in merge_spark_pr.py
Add JSONOptions to toJSON