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gRPC

v1.84.0Networking & Messaging
Sep 11, 2026

ACTION 2OTHER 4

A maintenance release that enables gRPC capabilities and observability, broadens xDS matching, removes a WRR guard, and corrects proxy hostname handling. It also updates connection scaling service configuration and server listener matching.

Action needed (2)

  • breakingThe v2_non_owning_waker_implementation experiment enabled

    The v2_non_owning_waker_implementation experiment is enabled in the promise-based filter.

    grpc#43253

  • breakingThe WRR custom backend metrics guard removed

    The release removes the WRR environment-variable guard for custom backend metrics.

    grpc#43198

All 4 other recorded changesconstraints 2 · additions 1 · fixes 1

constraints (2)

  • - [xDS] allow server listener address to match wildcard port. ([#43247](https://github.com/grpc/grpc/pull/43247))
  • - [subchannel] enable connection scaling service config fields. ([#43116](https://github.com/grpc/grpc/pull/43116))

additions (1)

  • - [subchannel] add metrics as per A94. ([#43140](https://github.com/grpc/grpc/pull/43140))

fixes (1)

  • - Fix incorrect hostname suffix matching in no_proxy handling (prevents proxy bypass). ([#41915](https://github.com/grpc/grpc/pull/41915))
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