New features

• MR:
  • Integrating with ES ingest node pipeline #806
• Mapping:
  • Add support for 16-bit/half floats in ES 5.x #800
  • New ES type scaled_float #822
• Spark:
  • Provided dedicated support for Spark 1.3-1.6 DStreams #802

Enhancements

• Spark:
  • Improve ElasticsearchRelation extensibility #829
  • Explicitly specify buildScan return type #826

Bug fixes

• Rest:
  • Update/Upsert bulk actions with scripts are broken for ES 1.x as of 5.0.0-alpha5 #817
  • Shard size estimations for Slice API do not target shards #843
  • Elasticsearch-spark connector failing to save data with an Illegal Argument Exception : "No class name given" #837
  • Spark Datasource: Non empty BINARY fields are always considered empty #835
  • fix memory leak caused by re-wrapping DelegatedProtocol #823
• Spark:
  • Dropping a whole column of a DataFrame while indexing the DF into ES #841
  • Fix: Non empty BINARY fields are considered empty #834
  • Version compatibility detection wrong in elasticsearch-spark-20 5.0.0-alpha5 #824

Non Issue

• Hive:
  • Error Loading Data #839
• Pig:
  • Get fields with documents in Elasticsearch #825
• Rest:
  • Some way to query "total" field from result set? #830
• Spark:
  • Array types not supported in automatic mapping #847
  • Connection error with Elasticsearch 2.4.0 #846
  • Handling decimal type in dataset #842
  • Fix import of JavaEsSparkSQL #840
  • PROBLEM: Failed to write data back to ES by using Spark DataFrame save() API !! #836