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[skip changelog] bump google.golang.org/grpc from 1.80.0 to 1.81.0#3175

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[skip changelog] bump google.golang.org/grpc from 1.80.0 to 1.81.0#3175
dependabot[bot] wants to merge 1 commit intomasterfrom
dependabot/go_modules/google.golang.org/grpc-1.81.0

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@dependabot dependabot Bot commented on behalf of github May 5, 2026

Bumps google.golang.org/grpc from 1.80.0 to 1.81.0.

Release notes

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

Release 1.81.0

Behavior Changes

  • balancer/rls: Switch gauge metrics to asynchronous emission (once per collection cycle) to reduce telemetry noise and align with other gRPC language implementations. (#8808)

Dependencies

  • Minimum supported Go version is now 1.25. (#8969)

Bug Fixes

  • xds: Use the leaf cluster's security config for the TLS handshake instead of the aggregate cluster's config. (#8956)
  • transport: Send a RST_STREAM when receiving an END_STREAM when the stream is not already half-closed. (#8832)
  • xds: Fix ADS resource name validation to prevent a panic. (#8970)

New Features

  • grpc/stats: Add support for custom labels in per-call metrics (gRFC A108). (#9008)
  • xds: Add support for Server Name Indication (SNI) and SAN validation (gRFC A101). Disabled by default. To enable, set GRPC_EXPERIMENTAL_XDS_SNI=true environment variable. (#9016)
  • xds: Add support to control which fields get propagated from ORCA backend metric reports to LRS load reports (gRFC A85). Disabled by default. To enable, set GRPC_EXPERIMENTAL_XDS_ORCA_LRS_PROPAGATION=true. (#9005)
  • xds: Add metrics to track xDS client connectivity and cached resource state (gRFC A78). (#8807)
  • stats/otel: Enhance grpc.subchannel.disconnections metric by adding disconnection reason to the grpc.disconnect_error label (gRFC A94). This provides granular insights into why subchannels are closing. (#8973)
  • mem: Add mem.Buffer.Slice() API to slice the buffer like a slice. (#8977)

Performance Improvements

  • alts: Pool read buffers to lower memory utilization when sockets are unreadable. (#8964)
  • transport: Pool HTTP/2 framer read buffers to reduce idle memory consumption. Currently limited to Linux for ALTS and non-encrypted transports (TCP, Unix). To disable, set GRPC_GO_EXPERIMENTAL_HTTP_FRAMER_READ_BUFFER_POOLING=false and report any issues. (#9032)
Commits
  • cb18228 Change version to 1.81.0 (#9062)
  • 96748f9 Cherry-pick #9105 to 1.81.x (#9106)
  • 9183222 Cherry pick #9055, #9032 to v1.81.x (#9095)
  • 5cba6da Revert "deps: update dependencies for all modules (#9065)" (#9067)
  • af8a936 deps: update dependencies for all modules (#9065)
  • cdc60df transport: optimize heap allocations in ready reader and update syscall conne...
  • 208d053 xds/resolver: pass complete XDSConfig in RPC context for HTTP filters (gRFC A...
  • 50fe1cc test: Fix flaky test TestServerStreaming_ClientCallRecvMsgTwice in `end2end...
  • d574bad build(deps): bump go.opentelemetry.io/otel/sdk from 1.42.0 to 1.43.0 (#9050)
  • b8bf4d0 build(deps): bump go.opentelemetry.io/otel/sdk from 1.42.0 to 1.43.0 in /inte...
  • Additional commits viewable in compare view

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Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.80.0 to 1.81.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.80.0...v1.81.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-version: 1.81.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added the topic: infrastructure Related to project infrastructure label May 5, 2026
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codecov Bot commented May 5, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.49%. Comparing base (c429714) to head (7ee6ec3).

Additional details and impacted files
@@            Coverage Diff             @@
##           master    #3175      +/-   ##
==========================================
+ Coverage   69.47%   69.49%   +0.02%     
==========================================
  Files         252      252              
  Lines       19557    19557              
==========================================
+ Hits        13587    13592       +5     
+ Misses       4711     4708       -3     
+ Partials     1259     1257       -2     
Flag Coverage Δ
unit 69.49% <ø> (+0.02%) ⬆️

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