v1.44.2

Bug Fixes

• netty: Fixed incompatibility with Netty 4.1.75.Final that caused COMPRESSION_ERROR (#9004)
• xds: Fix LBs blindly propagating control plane errors (#9012). This change forces the use of UNAVAILABLE for any xDS communication failures, which otherwise could greatly confuse an application. This is essentially a continuation of the fix in 1.45.0 for XdsNameResolver, but for other similar cases
• xds: Fix XdsNameResolver blindly propagates control plane errors (#8953). This change forces the use of UNAVAILABLE for any xDS communication failures, which otherwise could greatly confuse an application
• xds: fix bugs in ring-hash load balancer picking subchannel behavior per gRFC. The bug may cause connection not failing over from TRANSIENT_FAILURE status. (#9085)

Behavior Changes

• xds: change ring_hash LB aggregation rule to better handle transient_failure channel status (#9084)

Dependencies

• Bump protobuf to 3.19.6

v1.43.3

Bugfixes

• android: fix for app coming to foreground #8850
• xds: fix the validation code to accept new-style CertificateProviderPluginInstance wherever used

Dependencies

• Bump protobuf to 3.19.6

v1.42.3

Dependencies

• Bump protobuf to 3.19.6

v1.41.3

Dependencies

• Bump protobuf to 3.19.6

v1.36.3

Dependencies

• Bump protobuf to 3.16.3

v1.48.2

Bug Fixes

• xds: Fix a bug in ring-hash load balancing policy that, during TRANSIENT_FAILURE state, it might cause unnecessary internal connection requests on subchannels. (#9537)
• auth: Fix AppEngine failing while retrieving access token when instantiating a blocking stub using AppEngineCredentials (#9524)
• xds: channel_id hash policy now uses a random per-channel id instead of an incrementing one. The incrementing id was the same for every process of a binary, which was not the intention (#9453)
• bazel: Use valid target name for services and xds when overriding Maven targets (#9422). This fixes an error of the form no such target '@io_grpc_grpc_java//services:services' for services and missing ORCA classes for xds. The wrong target names were introduced in 1.47.0

Dependencies

• Bump protobuf to 3.21.7

v1.49.2

Dependencies

• Bump protobuf to 3.21.7

v1.49.1

Bug Fixes

• xds: Fix a bug in ring-hash load balancing policy that, during TRANSIENT_FAILURE state, it might cause unnecessary internal connection requests on subchannels. (#9537)
• auth: Fix AppEngine failing while retrieving access token when instantiating a blocking stub using AppEngineCredentials (#9524)

Behavior Changes

• core: Update outlier detection max ejection logics, and min host request volume logics. (#9550, #9551, #9552)

v1.49.0

New Features

• okhttp: Add OkHttpServerBuilder. The server can be used directly, but is not yet available via ServerBuilder.forPort() and Grpc.newServerBuilderForPort(). It passes our tests, but has seen no real-world use. It is also lacking connection management features
• okhttp: Add support for byte-based private keys via TlsChannelCredentials and TlsServerCredentials
• core: New outlier detection load balancer
• googleapis: google-c2p resolver is now stabilized

Bug Fixes

• core: Fix retry causing memory leak for canceled RPCs. (#9360)
• core: Use SyncContext for InProcess transport callbacks to avoid deadlocks. This fixes the long-standing issue #3084 which prevented using directExecutor() in some tests using streaming RPCs
• core: Disable retries with in-process transport by default (#9361). In-process does not compute message sizes so can retain excessive amounts of memory
• bazel: Use valid target name for services and xds when overriding Maven targets (#9422). This fixes an error of the form no such target '@io_grpc_grpc_java//services:services' for services and missing ORCA classes for xds. The wrong target names were introduced in 1.47.0
• xds: channel_id hash policy now uses a random per-channel id instead of an incrementing one. The incrementing id was the same for every process of a binary, which was not the intention (#9453)
• core: Fix a bug that the server stream should not deliver halfClose() when the call is immediately canceled. The bug causes a bad message INTERNAL, desc: Half-closed without a request at server call. (#9362)
• xds: Remove shaded orca proto dependency in ORCA api. The shading was broken and couldn't really be used. (#9366)

Behavior Changes

• gcp-observability: Interceptors are now injected in more situations, including for non-Netty transports and when using transport-specific APIs like NettyChannelBuilder. (#9309 #9312 #9424)
• gcp-observability: custom tags now extended to metrics and traces (#9402 #9407)
• gcp-observability: excludes RPCs into Google Cloud Ops backend for instrumentation (#9436)
• xds: xdsNameResolver now matches channel overrideAuthority in virtualHost matching (#9405)

Acknowledgement

@benjaminp
@j-min5u

v1.48.1

New Features

ORCA provides APIs to inject custom metrics at a gRPC server, and consume them at a gRPC client. It implements A51: Custom Backend Metrics Support. We changed the ORCA APIs; they had broken shading and couldn't really be used, so we fixed them in the patch release.

Bug Fixes

• core: Fix a bug that the server stream should not deliver halfClose() when the call is immediately canceled. The bug causes a bad message INTERNAL, desc: Half-closed without a request at server call. (#9362)
• core: Fix retry causing memory leak for cancelled RPCs. (#9415)
• core: Disable retry by default for in-process transport's channel.(#9368)