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SPARK-20064
Bump the PySpark verison number to 2.2SPARK-19853
Uppercase Kafka topics fail when startingOffsets are SpecificOffsets
Compilation fixed in java docs.
Make SparkConf a def instead of a val in SharedSQLContext
SPARK-19560
Improve tests for when DAGScheduler learns of "successful" ShuffleMapTask from a failed executor
Document scalable partition handling feature in the programming guide
Expose off-heap memory usage in various places
LinearSVC should not use shared Param HasThresholds
JdbcUtils throws IllegalStateException: Cause already initialized after getting SQLException
Rename ml.stat.ChiSquare to ml.stat.ChiSquareTest
FPGrowthModel setMinConfidence should affect rules generation and transformSPARK-19911
Add builder interface for Kinesis DStreams- SPARK-20105
Add tests for checkType and type string in structField in R
Clean up build warnings for 2.2.0 release
SPARK-20553
Update ALS examples for ML to illustrate recommend all
rbind should check for name consistency of input data frames
Disable 'multiple_dots_linter' lint rule that is against project's code style
Trigger AppVeyor R tests for changes in Scala code related with R API
RandomForestRegressionModel should expose getMaxDepth in R
Issue warning (or error) when subset method "[[" takes vector index
Files out of compliance with ASF policy
Join Documentation Improvements
simplify Literal codegen
WeightCol support non-double datatypes- SPARK-17772
Add helper testing methods for instance weighting SPARK-18658
Writing to a text DataSource buffers one or more lines in memory
Add local version of Word2Vec findSynonyms for spark.ml
Allow to disable hive in sparkR shell- SPARK-19389
Minor doc fixes, including Since tags in Python Params
uiWebUrl is not accessible to SparkR
Add getNumPartitions() to SparkR
Ask the build script to link to Jenkins test report page instead of full console output page when posting to GitHub
Upgrade sbt, zinc and maven plugins
Clean-up dataset actions
weightCol and aggregationDepth should be improved for some SparkR APIs
SparkR should support toJSON on DataFrame
spark-csv strips whitespace (pyspark)
Single Function for Parsing Dates and Times with Formats- SPARK-19345
Add doc for "coldStartStrategy" usage in ALS
Add feature selector methods based on: False Discovery Rate (FDR) and Family Wise Error rate (FWE)
public constructor with uid for IndexToString-class- SPARK-18723
Expanded programming guide information on wholeTextFiles
Add LinearSVC R API
DataFrameWriter.saveAsTable should work with hive format with overwrite mode
should be able to change spark.sql.runSQLOnFiles at runtime
do not expose the external table concept in Catalog
DataFrameWriter.saveAsTable should work with hive format with append mode
cleanup OutputWriterFactory and OutputWriter
DistributedLDAModel returns different logPrior for original and loaded model
add test for setting location for managed table