v0.3.1

"Expecto patronum"

Features

• Add Json IO with Circe #570 #576
• Add JDBC IO #525 #558
• Add a --blocking command line option #587 #588
• Generalize Breeze Semigroup #585
• Expose ScioContext in ScioResult #583
• Bump Guava to 20.0 #591

Bug fixes

• Paritition sparseOuterJoin to prevent BF overflow #581
• Reduce default eps for skewedJoin #574

Known issues:

• Scala 2.12 build is not available pending one remaining compiler bug scala/bug#10233
• NPE in DirectRunner (including local scio-repl) in streaming mode BEAM-1835