v0.7.0-alpha1

Breaking changes

• See v0.7.0 Migration Guide for detailed instructions
• New Magnolia based Coders derivation replaces ClassTag and Kryo
• New ScioIO replaces TestIO[T] to simplify IO implementation and stubbing in JobTest
• Update dynamic file destination API #1305
• Remove deprecated TensorFlow graph prediction method #1370
• Object file IO is no longer backwards compatible due to coder changes

Features

• Magnolia & macro based coder for magnitudes faster (de)serialization
• Redesigned unified ScioIO[T] for all IO modules
• Add SCollection#{readAll,readAllBytes} (splittable DoFn support) #796 #1363
• Add sparse left and right outer joins #1386
• Check and warn chained joins #1362
• Support Parquet compression #1189 #1318
• Port Parquet IO to Parquet 1.10 #1340 #1345
• Configurable fetch and batch size for JDBC IO #1314

Bug fixes

• Make PTransform names unique #1355 #1387