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Bumps google.golang.org/grpc from 1.58.2 to 1.75.1.

Release notes

Sourced from google.golang.org/grpc's releases.

Release 1.75.1

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)

Release 1.75.0

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)
  • xds: Fix possible panic when certain invalid resources are encountered. (#8412)
  • 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)

Release 1.74.3

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)

Release 1.74.2

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)

... (truncated)

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Greptile Summary

Updated On: 2025-09-10 23:06:51 UTC

This PR updates the gRPC dependency from version 1.58.2 to 1.75.1, representing a significant jump across multiple minor versions. The change also upgrades Go from 1.18 to 1.23.0 and includes numerous transitive dependency updates including OpenTelemetry packages and golang.org/x libraries.

The gRPC upgrade brings important improvements including fixes for data races in stats handlers, flow control regression fixes, xDS configuration improvements, and OpenTelemetry metrics standardization. The zero-examples repository serves as a demonstration of the go-zero framework's capabilities, so keeping dependencies current ensures examples reflect modern best practices and don't contain known security vulnerabilities.

Most examples in this repository use gRPC through the go-zero framework's zrpc abstraction layer, which provides some insulation from breaking changes. The gateway example and some RPC services directly use gRPC protobuf definitions, but these should remain compatible as gRPC maintains backward compatibility across minor versions. The upgrade includes behavior changes around stats handling, xDS configuration, and server streaming, but these are largely internal improvements that shouldn't affect typical usage patterns in the examples.

Confidence score: 4/5

  • This PR is generally safe to merge with low risk of breaking existing functionality
  • Score reflects the substantial version jump but gRPC's strong backward compatibility guarantees and the framework's abstraction layer providing protection
  • Pay attention to any examples that directly configure gRPC options or handle stats, particularly in the gateway and bookstore examples

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.58.2 to 1.75.1.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.58.2...v1.75.1)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-version: 1.75.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file go Pull requests that update go code labels Sep 10, 2025
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