0.20.0

BigQuery

• Convert all BigQuery deserialized enum types to StringEnumValue (#2128) minor breaking change

Compute

• Convert all Compute deserialized enum types to StringEnumValue (#2136) minor breaking change

DNS

• Convert all DNS deserialized enum types to StringEnumValue (#2137) minor breaking change

Logging

• Logging logback appender : Class loader fix for custom enhancers (#2130)

Pub/Sub (Now beta!)

• pubsub: make poll wait for messages (#2112)
• make Subscriber.stopAsync actually stop pulling more messages (#2113)
• remove Publisher's flow-control (#2102) breaking change
  • We feel that our design could use improvement, and we'd rather remove it now, early on, rather than have many clients depend on a flawed client surface.
• pubsub: start subscriber connections quickly again (#2104)
• Switching PubSub from alpha to beta (#2121)

Resource Manager

• Convert all Resource Manager deserialized enum types to StringEnumValue (#2138) minor breaking change

Storage

• Add getter docs for service objects (#2129)

Spanner

• Cloud Spanner: Make Spanner value classes serializable (#2040)

All auto-generated clients

• regenerate from toolkit (#2116)
  • This moves credentials to the root settings level instead of living inside channel settings
• Removing .spi from generated package names (#2135) widespread breaking change

Tests

• fix wrong logging filter format, which causes 502 error (#2145)

Internal

• Update release instructions and scripts (#2120)
• verify.sh: make verify more debug-friendly (#2133)
• update_version.sh: make maven run in batch mode (#2132)