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