fix(deps): update grpc version

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence	Type	Update
google.golang.org/grpc	v1.51.0 -> v1.76.0			require	minor
grpc/grpc	1.51 -> 1.75				minor
grpc/grpc-java	1.51 -> 1.76				minor

---

Release Notes

grpc/grpc-go (google.golang.org/grpc)

v1.76.0: Release 1.76.0

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Dependencies

• Minimum supported Go version is now 1.24 (#​8509)
  • Special Thanks: @​kevinGC

Bug Fixes

• client: Return status INTERNAL when a server sends zero response messages for a unary or client-streaming RPC. (#​8523)
• client: Fail RPCs with status INTERNAL instead of UNKNOWN upon receiving http headers with status 1xx and END_STREAM flag set. (#​8518)
  • Special Thanks: @​vinothkumarr227
• pick_first: Fix race condition that could cause pick_first to get stuck in IDLE state on backend address change. (#​8615)

New Features

• credentials: Add credentials/jwt package providing file-based JWT PerRPCCredentials (A97). (#​8431)
  • Special Thanks: @​dimpavloff

Performance Improvements

• client: Improve HTTP/2 header size estimate to reduce re-allocations. (#​8547)
• encoding/proto: Avoid redundant message size calculation when marshaling. (#​8569)
  • Special Thanks: @​rs-unity

v1.75.1: Release 1.75.1

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Bug Fixes

• transport: Fix a data race while copying headers for stats handlers in the std lib http2 server transport. (#​8519)
• xdsclient:
  • Fix a data race caused while reporting load to LRS. (#​8483)
  • Fix regression preventing empty node IDs when creating an LRS client. (#​8483)
• server: Fix a regression preventing streams from being cancelled or timed out when blocked on flow control. (#​8528)

v1.75.0: Release 1.75.0

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Behavior Changes

• xds: Remove support for GRPC_EXPERIMENTAL_XDS_FALLBACK environment variable. Fallback support can no longer be disabled. (#​8482)
• stats: Introduce DelayedPickComplete event, a type alias of PickerUpdated. (#​8465)
  • This (combined) event will now be emitted only once per call, when a transport is successfully selected for the attempt.
  • OpenTelemetry metrics will no longer have multiple "Delayed LB pick complete" events in Go, matching other gRPC languages.
  • A future release will delete the PickerUpdated symbol.
• credentials: Properly apply grpc.WithAuthority as the highest-priority option for setting authority, above the setting in the credentials themselves. (#​8488)
  • Now that this WithAuthority is available, the credentials should not be used to override the authority.
• round_robin: Randomize the order in which addresses are connected to in order to spread out initial RPC load between clients. (#​8438)
• server: Return status code INTERNAL when a client sends more than one request in unary and server streaming RPC. (#​8385)
  • This is a behavior change but also a bug fix to bring gRPC-Go in line with the gRPC spec.

New Features

• dns: Add an environment variable (GRPC_ENABLE_TXT_SERVICE_CONFIG) to provide a way to disable TXT lookups in the DNS resolver (by setting it to false). By default, TXT lookups are enabled, as they were previously. (#​8377)

Bug Fixes

• xds: Fix regression preventing empty node IDs in xDS bootstrap configuration. (#​8476)
  • Special Thanks: @​davinci26
• xds: Fix possible panic when certain invalid resources are encountered. (#​8412)
  • Special Thanks: @​wooffie
• xdsclient: Fix a rare panic caused by processing a response from a closed server. (#​8389)
• stats: Fix metric unit formatting by enclosing non-standard units like call and endpoint in curly braces to comply with UCUM and gRPC OpenTelemetry guidelines. (#​8481)
• xds: Fix possible panic when clusters are removed from the xds configuration. (#​8428)
• xdsclient: Fix a race causing "resource doesn not exist" when rapidly subscribing and unsubscribing to the same resource. (#​8369)
• client: When determining the authority, properly percent-encode (if needed, which is unlikely) when the target string omits the hostname and only specifies a port (grpc.NewClient(":<port-number-or-name>")). (#​8488)

v1.74.3: Release 1.74.3

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Bug Fixes

• xds: Fix a regression preventing empty node IDs in the bootstrap configuration. (#​8476 , #​8483)
• xdsclient: Fix a data race caused while reporting load to LRS. (#​8483)
• server: Fix a regression preventing streams from being cancelled or timed out when blocked on flow control. (#​8528)

v1.74.2: Release 1.74.2

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New Features

• grpc: introduce new DialOptions and ServerOptions (WithStaticStreamWindowSize, WithStaticConnWindowSize, StaticStreamWindowSize, StaticConnWindowSize) that force fixed window sizes for all HTTP/2 connections. By default, gRPC uses dynamic sizing of these windows based upon a BDP estimation algorithm. The existing options (WithInitialWindowSize, etc) also disable BDP estimation, but this behavior will be changed in a following release. (#​8283)

API Changes

• balancer: add ExitIdle method to Balancer interface. Earlier, implementing this method was optional. (#​8367)

Behavior Changes

• xds: Remove the GRPC_EXPERIMENTAL_ENABLE_LEAST_REQUEST environment variable that allows disabling the least request balancer with xDS. Least request was made available by default with xDS in v1.72.0. (#​8248)
  • Special Thanks: @​atollena
• server: allow 0s grpc-timeout header values, which older gRPC-Java versions could send. This restores the behavior of grpc-go before v1.73.0. (#​8439)

Bug Fixes

• googledirectpath: avoid logging the error message Attempt to set a bootstrap configuration... when creating multiple directpath channels. (#​8419)

Performance Improvements

• transport: reduce heap allocations by pooling objects and avoiding method-to-closure conversions. (#​8361)
• transport: reduce heap allocations by re-using mem.Reader objects. (#​8360)

Documentation

• examples: add examples to demonstrate enabling experimental metrics using the OpenTelemetry plugin. (#​8388)
  • Special Thanks: @​vinothkumarr227

v1.74.1: Release 1.74.1

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Version 1.74.1 retracts release v1.74.0 and itself. Release 1.74.0 was accidentally tagged on the wrong commit and should not be used. Version 1.73.0 should be used until 1.74.2 is released.

v1.74.0: Release 1.74.0

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Release 1.74.0 was accidentally tagged on the wrong commit and should not be used. Version 1.73.0 should be used until 1.74.1 is released.

v1.73.1: Release 1.73.1

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Bug Fixes

• server: Fix a regression preventing streams from being cancelled or timed out when blocked on flow control. (#​8528)

v1.73.0: Release 1.73.0

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New Features

• balancer/ringhash: move LB policy from xds/internal to exported path to facilitate use without xds (#​8249)
• xds: enable least request LB policy by default. It can be disabled by setting GRPC_EXPERIMENTAL_ENABLE_LEAST_REQUEST=false in your environment. (#​8253)
• grpc: add a CallAuthority Call Option that can be used to overwrite the http :authority header on per-RPC basis. (#​8068)
• stats/opentelemetry: add trace event for name resolution delay. (#​8074)
• health: added List method to gRPC Health service. (#​8155)
  • Special Thanks: @​marcoshuck
• ringhash: implement features from gRFC A76. (#​8159)
• xds: add functionality to support SPIFFE Bundle Maps as roots of trust in XDS which can be enabled by setting GRPC_EXPERIMENTAL_XDS_MTLS_SPIFFE=true. (#​8167, #​8180, #​8229, #​8343)

Bug Fixes

• xds: locality ID metric label is changed to make it consistent with gRFC A78. (#​8256)
• client: fail RPCs on the client when using extremely short contexts that expire before the grpc-timeout header is created. (#​8312)
• server: non-positive grpc-timeout header values are now rejected. This is consistent with the gRPC protocol spec. (#​8290)
  • Special Thanks: @​evanj
• xds: fix reported error string when LRS load reporting interval is invalid. (#​8224)
  • Special Thanks: @​alingse

Performance Improvements

• credentials/alts: improve read performance by optimizing buffer copies and allocations. (#​8271)
• server: improve performance of RPC handling by avoid a status proto copy (#​8282)
  • Special Thanks: @​evanj

Documentation

• examples/features/opentelemetry: modify example to demonstrate tracing using OpenTelemtry plugin. (#​8056)

v1.72.3: Release 1.72.3

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Bug Fixes

• server: Fix a regression preventing streams from being cancelled or timed out when blocked on flow control. (#​8528)

v1.72.2: Release 1.72.2

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Bug Fixes

• client: restore support for NO_PROXY environment variable when connecting to locally-resolved addresses (case 2 from gRFC A1). (#​8329)
• balancer/least_request: fix panic on resolver errors. (#​8333)

v1.72.1: Release 1.72.1

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Bug Fixes

• client: HTTP Proxy connections are no longer attempted for addresses with non-TCP network types. (#​8215)
• client: Fix bug that causes RPCs to fail with status INTERNAL instead of CANCELLED or DEADLINE_EXCEEDED when receiving a RST_STREAM frame in the middle of the gRPC message. (#​8289)

v1.72.0: Release 1.72.0

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Dependencies

• Minimum supported Go version is now 1.23 (#​8108)

API Changes

• resolver: add experimental AddressMapV2 with generics to ultimately replace AddressMap. Deprecate AddressMap for deletion (#​8187)
• resolver: convert EndpointMap in place to use generics (#​8189)

New Features

• xds: add grpc.xds_client.server_failure counter metric on xDS client to record connectivity errors (#​8203)
• balancer/rls: allow maxAge to exceed 5 minutes if staleAge is set in the LB policy configuration (#​8137)
• ringhash: implement gRFC A76 improvements. (#​8159)
• pickfirst: The new pick first LB policy is made the default. The new LB policy implements the Happy Eyeballs algorithm. To disable the new policy set the environment variable GRPC_EXPERIMENTAL_ENABLE_NEW_PICK_FIRST to false (case insensitive).

Bug Fixes

• xds: fix support for circuit breakers and load reporting in LOGICAL_DNS clusters (#​8169, #​8170)
• xds/cds: improve RPC error messages when resources are not found (#​8122)
• balancer/priority: fix race that could leak balancers and goroutines during shutdown (#​8095)
• stats/opentelemetry: fix trace attributes message sequence numbers to start from 0 (#​8237)
• balancer/pickfirstleaf: fix panic if deprecated Address.Metadata field is set to a non-comparable value by ignoring the field (#​8227)

Behavior Changes

• transport: make servers send an HTTP/2 RST_STREAM frame to cancel a stream when the deadline expires (#​8071)

Documentation

• stats: clarify the expected sequence of events on a stats handler (#​7885)
  • Special Thanks: @​RyanBlaney

v1.71.3: Release 1.71.3

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Bug Fixes

• client: restore support for NO_PROXY environment variable when connecting to locally-resolved addresses (case 2 from gRFC A1). (#​8329)
• balancer/least_request: fix panic on resolver errors. (#​8333)

v1.71.2: Release 1.71.2

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Bug Fixes

• client: HTTP Proxy connections are no longer attempted for addresses with non-TCP network types. (#​8215)

v1.71.1: Release 1.71.1

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Bug Fixes

• grpc: fix a bug causing an extra Read from the compressor if a compressed message is the same size as the limit. This could result in a panic with the built-in gzip compressor (#​8178)
• xds: restore the behavior of reading the bootstrap config before creating the first xDS client instead of at package init time (#​8164)
• stats/opentelemetry: use TextMapPropagator and TracerProvider from TraceOptions instead of OpenTelemetry globals (#​8166)
• client: fix races when an http proxy is configured that could lead to deadlocks or panics (#​8195)
• client: fix bug causing RPC failures with message "no children to pick from" when using a custom resolver that calls the deprecated NewAddress API (#​8149)
• wrr: fix slow processing of address updates that could result in problems including RPC failures for servers with a large number of backends (#​8179)

v1.71.0: Release 1.71.0

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API Changes

• balancer: Custom LB policies that record metrics must use the new MetricsRecorder method on Balancer.ClientConn instead of the removed Balancer.BuildOptions.MetricsRecorder field to obtain a metrics recorder. (#​8027)
• balancer: balancer.ClientConn implementations must now embed a delegate implementation. This allows grpc-go to add new methods to the interface and remain backward compatible. (#​8026)
• balancer/endpointsharding: The constructor accepts the child balancer's builder and a struct with optional configuration. (#​8052)

New Features

• xds: Add support for dualstack via the additional_addresses field in the Endpoint resource. To disable this feature, set the environment variable GRPC_EXPERIMENTAL_XDS_DUALSTACK_ENDPOINTS=false. (#​8134)
• stats/opentelemetry: Add experimental support for OpenTelemetry tracing. (#​7852)
• xds/internal/xdsclient: Add counter metrics for valid and invalid resource updates. (#​8038)
• balancer/leastrequest, roundrobin: Add dualstack support. (#​7969, #​7966)
• balancer/endpointsharding: Balancers created with the new DisableAutoReconnect option will not attempt to call ExitIdle automatically on their children when the children report idle. (#​8052)

Bug Fixes

• client: Fix support for proxies when using grpc.NewClient so the target is resolved by the proxy as expected. (#​7881)
  • Added WithLocalDNSResolution() dial option to explicitly force target resolution on the client instead. (#​7881)
• weightedtarget: Return erroring picker when no targets are configured. (#​8070)
• xds: Fail RPCs with UNAVAILABLE when the EDS resource is missing or contains no endpoints (#​8070)
• xdsclient: Fix a bug where connectivity failures were reported to resource watchers before trying all listed servers. (#​8075)
• grpc: Fix the number of bytes reported in the error message when encoded messages are larger than 4GB. (#​8033)
• xds: Fixed a bug preventing tests from creating multiple servers or channels with different bootstrap configs. (#​8050)
• grpc: Fix message length checks when compression is enabled and maxReceiveMessageSize is MaxInt (#​7918)
  • Special Thanks: @​vinothkumarr227

Documentation

• client: Improve documentation of grpc.NewClient and ClientConn.CanonicalTarget by providing examples. (#​8078)
• examples/features/dualstack: New example demonstrating usage of endpoints and dualstack functionality. (#​8098)

v1.70.0: Release 1.70.0

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Behavior Changes

• client: reject service configs containing an invalid retryPolicy in accordance with gRFCs A21 and A6. (#​7905)
  • Note that this is a potential breaking change for some users using an invalid configuration, but continuing to allow this behavior would violate our cross-language compatibility requirements.

New Features

• xdsclient: fallback to a secondary management server (if specified in the bootstrap configuration) when the primary is down is enabled by default. Can be disabled by setting the environment variable GRPC_EXPERIMENTAL_XDS_FALLBACK to false. (#​7949)
• experimental/credentials: experimental transport credentials are added which don't enforce ALPN. (#​7980)
  • These credentials will be removed in an upcoming grpc-go release. Users must not rely on these credentials directly. Instead, they should either vendor a specific version of gRPC or copy the relevant credentials into their own codebase if absolutely necessary.

Bug Fixes

• xds: fix a possible deadlock that happens when both the client application and the xDS management server (responsible for configuring the client) are using the xds:/// scheme in their target URIs. (#​8011)

Performance

• server: for unary requests, free raw request message data as soon as parsing is finished instead of waiting until the method handler returns. (#​7998)
  • Special Thanks: @​lqs

Documentation

• examples/features/gracefulstop: add example to demonstrate server graceful stop. (#​7865)

v1.69.4: Release 1.69.4

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Bug Fixes

• rbac: fix support for :path header matchers, which would previously never successfully match (#​7965).

Documentation

• examples/features/csm_observability: update example client and server to use the helloworld service instead of echo service (#​7945).

v1.69.2: Release 1.69.2

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Bug Fixes

• stats/experimental: add type aliases for symbols (Metrics/etc) that were moved to the stats package (#​7929).
• client: set user-agent string to the correct version.

v1.69.0: Release 1.69.0

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Known Issues

• The recently added grpc.NewClient function is incompatible with forward proxies, because it resolves the target hostname on the client instead of passing the hostname to the proxy. A fix is expected to be a part of grpc-go v1.70. (#​7556)

New Features

• stats/opentelemetry: Introduce new APIs to enable OpenTelemetry instrumentation for metrics on servers and clients (#​7874)
• xdsclient: add support to fallback to lower priority servers when higher priority ones are down (#​7701)
• dns: Add support for link local IPv6 addresses (#​7889)
• The new experimental pickfirst LB policy (disabled by default) supports Happy Eyeballs, interleaving IPv4 and IPv6 address as described in RFC-8305 section 4, to attempt connections to multiple backends concurrently. The experimental pickfirst policy can be enabled by setting the environment variable GRPC_EXPERIMENTAL_ENABLE_NEW_PICK_FIRST to true. (#​7725, #​7742)
• balancer/pickfirst: Emit metrics from the pick_first load balancing policy (#​7839)
• grpc: export MethodHandler, which is the type of an already-exported field in MethodDesc (#​7796)
  • Special Thanks: @​mohdjishin

Bug Fixes

• credentials/google: set scope for application default credentials (#​7887)
  • Special Thanks: @​halvards
• xds: fix edge-case issues where some clients or servers would not initialize correctly or would not receive errors when resources are invalid or unavailable if another channel or server with the same target was already in use . (#​7851, #​7853)
• examples: fix the debugging example, which was broken by a recent change (#​7833)

Behavior Changes

• client: update retry attempt backoff to apply jitter per updates to gRFC A6. (#​7869)
  • Special Thanks: @​isgj
• balancer/weightedroundrobin: use the pick_first LB policy to manage connections (#​7826)

API Changes

• balancer: An internal method is added to the balancer.SubConn interface to force implementors to embed a delegate implementation. This requirement is present in the interface documentation, but wasn't enforced earlier. (#​7840)

Performance Improvements

• mem: implement a ReadAll() method for more efficient io.Reader consumption (#​7653)
  • Special Thanks: @​ash2k
• mem: use slice capacity instead of length to determine whether to pool buffers or directly allocate them (#​7702)
  • Special Thanks: @​PapaCharlie

Documentation

• examples/csm_observability: Add xDS Credentials and switch server to be xDS enabled (#​7875)

v1.68.2: Release 1.68.2

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Dependencies

• Remove the experimental stats/opentelemetry module and instead add the experimental packages it contains directly into the main google.golang.org/grpc module (#​7936)

v1.68.1: Release 1.68.1

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Bug Fixes

• credentials/alts: avoid SRV and TXT lookups for handshaker service to work around hangs caused by buggy versions of systemd-resolved. (#​7861)

Dependencies

• Relax minimum Go version requirement from go1.22.7 to go1.22. (#​7831)

v1.68.0: Release 1.68.0

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Known Issues

• The recently added grpc.NewClient function is incompatible with forward proxies, because it resolves the target hostname on the client instead of passing the hostname to the proxy. This bug has been present since the introduction of NewClient. A fix is expected to be a part of grpc-go v1.70. (#​7556)

---

Behavior Changes

• stats/opentelemetry/csm: Get mesh_id local label from "CSM_MESH_ID" environment variable, rather than parsing from bootstrap file (#​7740)
• orca (experimental): if using an ORCA listener, it must now be registered only on a READY SubConn, and the listener will automatically be stopped when the connection is lost. (#​7663)
• client: ClientConn.Close() now closes transports simultaneously and waits for transports to be closed before returning. (#​7666)
• credentials: TLS credentials created via NewTLS that use tls.Config.GetConfigForClient will now have CipherSuites, supported TLS versions and ALPN configured automatically. These were previously only set for configs not using the GetConfigForClient option. (#​7709)

Bug Fixes

• transport: prevent deadlock in client transport shutdown when writing the GOAWAY frame hangs. (#​7662)
• mem: reuse buffers more accurately by using slice capacity instead of length (#​7702)
  • Special Thanks: @​PapaCharlie
• status: Fix regression caused by #​6919 in status.Details() causing it to return a wrapped type when getting proto messages generated with protoc-gen-go < v1. (#​7724)

Dependencies

• Bump minimum supported Go version to go1.22.7. (#​7624)

v1.67.3: Release 1.67.3

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Dependencies

• Remove the experimental stats/opentelemetry module and instead add the experimental packages it contains directly into the main google.golang.org/grpc module (#​7935)

v1.67.2: Release 1.67.2

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Bug Fixes

• credentials/alts: avoid SRV and TXT lookups for handshaker service to work around hangs caused by buggy versions of systemd-resolved. (#​7861)

v1.67.1: Release 1.67.1

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Bug Fixes

• transport: Fix a bug causing stream failures due to miscalculation of the flow control window in both clients and servers. (#​7667)
• xds/server: Fix xDS Server memory leak. (#​7681)

v1.67.0: Release 1.67.0

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Bug Fixes

• ringhash: when used with multiple EDS priorities, fix bug that could prevent a higher priority from recovering from transient failure. (#​7364)
  • Special Thanks: @​atollena

Behavior Changes

• In accordance with RFC 7540, clients and servers will now reject TLS connections that don't support ALPN. This can be disabled by setting the environment variable GRPC_ENFORCE_ALPN_ENABLED to false (case insensitive). Please file a bug if you encounter any issues with this behavior. The environment variable to revert this behavior will be removed in an upcoming release. (#​7535)

v1.66.3: Release 1.66.3

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Bug Fixes

• transport: Fix a bug causing stream failures due to miscalculation of the flow control window in both clients and servers. (#​7667)
• xds/server: Fix xDS Server memory leak. (#​7681)

v1.66.2: Release 1.66.2

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Dependencies

• Remove unintentional dependency on the testing package (#​7579)
• Remove unintentional dependency on the flate package (#​7595)
  • Special Thanks: @​ash2k

Bug Fixes

• client: fix a bug that prevented memory reuse after handling unary RPCs (#​7571)
  • Special Thanks: @​coxley

v1.66.1

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v1.66.0: Release 1.66.0

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New Features

• metadata: stabilize ValueFromIncomingContext (#​7368)
  • Special Thanks: @​KarthikReddyPuli
• client: stabilize the WaitForStateChange and GetState methods, which were previously experimental. (#​7425)
• xds: Implement ADS flow control mechanism (#​7458)
  • See grpc/grpc#34099 for context.
• balancer/rls: Add metrics for data cache and picker internals (#​7484, #​7495)
• xds: LRS load reports now include the total_issued_requests field. (#​7544)

Bug Fixes

• grpc: Clients now return status code INTERNAL instead of UNIMPLEMENTED when the server uses an unsupported compressor. This is consistent with the gRPC compression spec. (#​7461)
  • Special Thanks: @​Gayathri625
• transport: Fix a bug which could result in writes busy looping when the underlying conn.Write returns errors (#​7394)
  • Special Thanks: @​veshij
• client: fix race that could lead to orphaned connections and associated resources. (#​7390)
• xds: use locality from the connected address for load reporting with pick_first (#​7378)
  • without this fix, if a priority contains multiple localities with pick_first, load was reported for the wrong locality
• client: prevent hanging during ClientConn.Close() when the network is unreachable (#​7540)

Performance Improvements

• transport: double buffering is avoided when using an http connect proxy and the target server waits for client to send the first message. (#​7424)
• codec: Implement a new Codec which uses buffer recycling for encoded message (#​7356)
  • introduce a mem package to facilitate buffer reuse (#​7432)
  • Special Thanks: @​PapaCharlie

v1.65.1: Release 1.65.1

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Bug Fixes

• xds/server: Fix xDS Server memory leak. (#​7664)

v1.65.0: Release 1.65.0

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Dependencies

• Change support policy to cover only the latest TWO releases of Go, matching the policy for Go itself. See #​7249 for more information. (#​7250)
• Update x/net/http2 to address CVE-2023-45288 (#​7282)

Behavior Changes

• credentials/tls: clients and servers will now reject connections that don't support ALPN when environment variable GRPC_ENFORCE_ALPN_ENABLED is set to "true" (case insensitive). (#​7184)
  • NOTE: this behavior will become the default in a future release.
• metadata: remove String method from MD to make printing more consistent (#​7373)

New Features

• grpc: add WithMaxCallAttempts to configure gRPC's retry behavior per-channel. (#​7229)
  • Special Thanks: @​imoore76

Bug Fixes

• ringhash: properly apply endpoint weights instead of ignoring them (#​7156)
• xds: fix a bug that could cause xds-enabled servers to stop accepting new connections after handshaking errors (#​7128)
  • Special Thanks: @​bozaro

v1.64.1: Release 1.64.1

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Dependencies

• Update x/net/http2 to address CVE-2023-45288 (#​7352)
• metadata: remove String method from MD to make printing consistent (#​7374)

v1.64.0: Release 1.64.0

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API Changes

• stats: Deprecate InPayload.Data and OutPayload.Data; they were experimental and will be deleted in the next release (#​7121)

Behavior Changes

• codec: Remove handling of environment variable GRPC_GO_ADVERTISE_COMPRESSORS to suppress setting supported compressors in grpc-accept-encoding header. Compressors will always be advertised, as they have been by default for some time (#​7203)

New Features

• resolver/dns: Add SetMinResolutionInterval to set the minimum interval at which DNS re-resolutions may occur (#​6962)
  • Special Thanks: @​HomayoonAlimohammadi
• peer/peer: Implement the fmt.Stringer interface for pretty printing Peer, and
• metadata/metadata: Implement the fmt.Stringer interface for pretty printing MD (#​7137)
  • Special Thanks: @​AnomalRoil

Performance Improvements

• client: Improve RPC performance by reducing work while holding a lock (#​7132)

Bug Fixes

• transport/server: Display the proper timeout value when keepalive pings are not ack'd in time (#​7038)
  • Special Thanks: @​BatmanAoD
• channelz: Fix bug that was causing the subchannel's target to be unset (#​7189)
• stats: Fix bug where peer was not set in context when calling stats handler for OutPayload, InPayload, and End (#​7096)

Dependencies

• deps: Remove dependency on deprecated github.com/golang/protobuf module (#​7122)

Documentation

• grpc: Deprecate WithBlock, WithReturnConnectionError, FailOnNonTempDialError which are ignored by NewClient (#​7097)
  • Special Thanks: @​pellared
• grpc: Deprecate Dial and DialContext. These will continue to be supported throughout 1.x, but are deprecated to direct users to NewClient (See #​7090 for more information)
• examples: Add custom lb example (#​6691)

v1.63.3: Release 1.63.3

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Dependencies

• Update x/net/http2 to address CVE-2023-45288 (#​7352)

v1.63.2: Release 1.63.2

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Bugs

• Fix the user agent string

v1.63.1: Release 1.63.1

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Bugs

• grpc: fixed subchannel log messages to properly reference the parent channel (#​7101)
  • Special thanks: @​daniel-weisse

API Changes

• grpc: remove Deprecated tag from Dial and DialContext; these will be deprecated in v1.64 instead (#​7103)

v1.63.0: Release 1.63.0

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Behavior Changes

• grpc: Return canonical target string from resolver.Address.String() (experimental) (#​6923)
• client & server: when using write buffer pooling, use input value for buffer size instead of size*2 (#​6983)
  • Special Thanks: @​raghav-stripe

New Features

• grpc: add ClientConn.CanonicalTarget() to return the canonical target string. (#​7006)
• xds: implement LRS named metrics support (gRFC A64) (#​7027)
  • Special Thanks: @​danielzhaotongliu
• grpc: introduce grpc.NewClient to allow users to create new clients in idle mode and with "dns" as the default resolver (#​7010)
  • Special Thanks: @​bruuuuuuuce

API Changes

• grpc: stabilize experimental method ClientConn.Target() (#​7006)

Bug Fixes

• xds: fix an issue that would cause the client to send an empty list of resources for LDS/CDS upon reconnecting with the management server (#​7026)
• server: Fix some errors returned by a server when using a grpc.Server as an http.Handler with the Go stdlib HTTP server (#​6989)
• resolver/dns: add SetResolvingTimeout to allow configuring the DNS resolver's global timeout (#​6917)
  • Special Thanks: @​and1truong
• Set the security level of Windows named pipes to NoSecurity (#​6956)
  • Special Thanks: @​irsl

v1.62.2: Release 1.62.2

Compare Source

Dependencies

• Update http2 library to address vulnerability CVE-2023-45288

v1.62.1: Release 1.62.1

Compare Source

Bug Fixes

• xds: fix a bug that results in no matching virtual host found RPC errors due to a difference between the target and LDS resource names (#​6997)
• server: fixed stats handler data InPayload.Length for unary RPC calls (#​6766)
  • Special Thanks: @​hueypark
• grpc: the experimental RecvBufferPool DialOption and ServerOption are now active during unary RPCs with compression (#​6766)
  • Special Thanks: @​hueypark
• grpc: trim whitespaces in accept-encoding header before determining compressors
  • Special Thanks: @​sercand

v1.62.0: Release 1.62.0

Compare Source

New Features

• grpc: Add StaticMethod CallOption as a signal to stats handler that a method is safe to use as an instrument key (#​6986)

Behavior Changes

• grpc: Return canonical target string from ClientConn.Target() and resolver.Address.String() (#​6923)

Bug Fixes

• server: wait to close connection until incoming socket is drained (with timeout) to prevent data loss on client-side (#​6977)
  • Special Thanks: @​s-matyukevich for discovering the root cause

Performance Improvements

• *: Allow building without x/net/trace by using grpcnotrace to enable dead code elimination (#​6954)
  • Special Thanks: @​hugelgupf
• rand: improve performance and simplify implementation of grpcrand by adopting math/rand's top-level functions for go version 1.21.0 and newer. (#​6925)
  • Special Thanks: @​kmirzavaziri

Dependencies

• *: Use google.golang.org/protobuf/proto instead of github.com/golang/protobuf. (#​6919)
  • Special Thanks: @​Clement-Jean

[!NOTE]
The above change in proto library usage introduces a minor behavior change within those libraries. The old github.com/golang/protobuf library would error if given a nil message to Marshal, while the new google.golang.org/protobuf library will successfully output zero bytes in this case. This means server method handlers that did return nil, nil will now return an empty message and no error, while it used to return an error. This also affects the client side, where clients sending nil messages used to fail without sending the RPC, and now they will send an empty message.

v1.61.2: Release 1.61.2

Compare Source

Dependencies

• Update http2 library to address vulnerability CVE-2023-45288

v1.61.1: Release 1.61.1

[Compare Source](https://redirect.github.com/grpc

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The artifact failure details are included below:

File name: gwy/templates/go.mod.tmpl

Command failed: go get -d -t ./...
go: go.mod file not found in current directory or any parent directory.
	'go get' is no longer supported outside a module.
	To build and install a command, use 'go install' with a version,
	like 'go install example.com/cmd@latest'
	For more information, see https://golang.org/doc/go-get-install-deprecation
	or run 'go help get' or 'go help install'.