0.42.9

Changes

This is a minor maintenance release appropriate for all ServiceTalk users that contains several useful new features, improvements, and bug fixes. This release is expected to be a "drop-in" replacement for all prior 0.42.X releases.

API Deprecations

• d62bfd2 - Deprecate offloadNever() (#2133)
  • Users should migrate to offloadNone()
• 4141e33 - LoadBalancer and ConnectionFactory: add a context of the caller (#2168)
  • Deprecate LoadBalancer#selectConnection(Predicate), users should migrate to the new method LoadBalancer#selectConnection(Predicate, ContextMap);
  • Deprecate ConnectionFactory#newConnection(Address, TransportObserver), users should migrate to the new method ConnectionFactory#newConnection(Address, ContextMap, TransportObserver);

New Features

• 2ca7af2 - Make ServiceTalk protoc plugin extensible (#2160)
• 071666f - Let ConnectionFactory see difference between proxied and direct connections (#2169)
• 13107f8 - Introduce HttpProviders and GrpcProviders (#2137)
• 0124d9f - Add [Single | Completable].cache(...) operators (#2162)
• 1ab2b76 - Jersey Protobuf Serialization Support (#2159)
• 0fae5cb - Expose SslConfig through ConnectionInfo (#2150)
• b274746 - Add grpc-health service implementation (#2147)
• cdc249e - Add Publisher.flatMapConcatSingle(...) (#2151)
• c8d0139 - Let users move GrpcLifecycleObserver in the filter chain (#2171)

Improvements

• 78d1186 - Use more specific ConcurrentMap methods (#2188)
• 6edc415 - Implement ServiceDiscoverer#toString() for DefaultDnsServiceDiscoverer (#2149)
• 998fd00 - Processors.newPublisherProcessor() simplify duplicate terminal check (#2148)
• 125524c - RoundRobinLoadBalancer: better identify excess connections (#2173)
• fce6b3e - RoundRobinLoadBalancer: increase visibility into health-checking (#2182)
• d07605e - Always set default ServiceTalkSocketOptions#IDLE_TIMEOUT (5 minutes) (#2174)
• fbd5cf5 - DNS ServiceDiscoverer: add jitter for the subsequent DNS queries (#2170)
• c4df3a3 - Conditionally use IoExecutor timer for retry (#2134)

Bug Fixes

• c08f21e - HTTP/1.x Client write explicit empty buffer fix (#2175)
• f1a3581 - Update TextMapFormatter: default sampled to null rather than false when extracting trace context (#2177)
• 3ae63a5 - fix: handle null parent spans in asChildOf calls (#2167)
• 1c83856 - HTTP/2 handlers should throw Http2Exception and send RST_STREAM frame (#2146)
• 99712d1 - Publisher.multicast(...) duplicate cancel IndexOutOfBounds exception (#2161)
• bb0ed15 - Use filter strategy for streaming async server (#2156)
• 40c3e3c - servicetalk-grpc-protoc name conflict fixes (#2157)

Dependency Updates

• 39528ed - Update Netty 4.1.74 -> 4.1.75 (#2141)
• ac4dddb - Update Netty 4.1.75 -> 4.1.76 (#2187)
• 6fd32bb - Update netty-incubator-transport-native-io_uring 0.0.12 -> 0.0.13 (#2181)
• be967db - Update Jackson 2.13.1 -> 2.13.2.2 (#2178)
• 96e96f9 - Update protobuf 3.19.2 -> 3.20.0 (#2186)
• b127e56 - Update proto-google-common-protos 2.7.1 -> 2.8.1 (#2179)
• 7addb00 - Update log4j 2.17.1 -> 2.17.2 (#2180)

Documentation & Examples

• 6620b3c - Enhance servicetalk-examples-grpc-observer (#2172)
• 6586322 - CONTRIBUTING - Project Communication section (#2153)
• 6f0c43a - Enhance javadoc for HttpSerializers.stringStreamingSerializer (#2164)
• 17c2bb4 - Remove examples for multi-address client that similar to single-address (#2129)
• bfc8183 - Update offloading documentation (#2039)

CI/Build

• efe1842 - Bump actions/upload-artifact from 2 to 3 (#2183)
• c27ef5c - Update spotbugs 4.4.1 -> 4.6.0 (#2158)
• 1d3607a - Update gradlew 7.3 -> 7.4.1 (#2163)
• b01305a - Update node.js 14.16.0 -> 16.14.2 (doc site generation) (#2165)
• 66566d1 - Update grpc-java 1.43.0 -> 1.45.1 (test dependency) (#2176)

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Thank you

Every idea, review, and bug-report counts and so we thought it is worth mentioning those who helped in this area. Please report any unintended omission.

@bondolo
@chemicL
@eddie4941
@idelpivnitskiy
@saturnism
@Scottmitch
@suman-ganta
@tkountis