Issues

• udp_proxy: support GSO batching on UDP proxy upstream sockets

  enhancementtriage
  envoyproxy/envoy#48198 · Filter by author AntonKanug opened on Oct 10, 2026
  1

• HTTP/2 RST_STREAM(NO_ERROR) after a complete gRPC response drops pending downstream encode

  bugtriage
  envoyproxy/envoy#48192 · Filter by author shk3 opened on Oct 10, 2026

• Request body truncation with bandwidth_limit and ext_authz still reproducible in Envoy 1.39.0

  bugtriage
  envoyproxy/envoy#48188 · Filter by author Kagamia-MS opened on Oct 9, 2026

• alternate_protocols_cache: option to strip the upstream alt-svc header after recording it

  envoyproxy/envoy#48169 · Filter by author zhaohuabing opened on Oct 9, 2026

• grpc_stats: apply replace_dots_in_grpc_service_name to individual_method_stats_allowlist

  envoyproxy/envoy#48163 · Filter by author loganrosen opened on Oct 8, 2026

• fault filter: support configurable Content-Type for abort responses

  envoyproxy/envoy#48103 · Filter by author sepulvedablanco-inditex opened on Oct 7, 2026

• jwt_authn accepts JWTs with non-canonical base64url signature encoding

  area/jwt_authn
  envoyproxy/envoy#48091 · Filter by author akashbhalke-dev opened on Oct 7, 2026
  2

• ProcessRateLimitFilter unusable with SotW xDS servers

  area/process_ratelimit_filterbug
  envoyproxy/envoy#48090 · Filter by author tsaarni opened on Oct 7, 2026
  1

• vhds: skip reload and route config rebuild when a VirtualHost update is unchanged

  area/vhdsenhancement
  envoyproxy/envoy#48083 · Filter by author junpengl opened on Oct 7, 2026
  1

• tls: dual RSA/ECDSA listener serves ECDSA cert to TLS 1.2 clients that send supported_versions but offer only RSA cipher suites

  area/tlsbug
  envoyproxy/envoy#48077 · Filter by author probitaille-axso opened on Oct 6, 2026
  2

• Non-POST requests with a gRPC content type get gRPC-style local replies (200 OK)

  envoyproxy/envoy#48070 · Filter by author lboynton opened on Oct 6, 2026

• Harden internal redirect: strip or guard Authorization/Cookie on cross-authority redirects (parity with allow_cross_scheme_redirect)

  area/routerenhancement
  envoyproxy/envoy#48069 · Filter by author SounLabs opened on Oct 6, 2026
  1

• ext_proc: http requests or responses with "content-length: 0" never enter body processing phase, preventing mutation

  area/ext_procbug
  envoyproxy/envoy#47992 · Filter by author anil4fun opened on Oct 3, 2026
  1

• Add %DOWNSTREAM_PEER_CERT_CHAIN% substitution command

  enhancementtriage
  envoyproxy/envoy#47990 · Filter by author bmacdonell-roblox opened on Oct 2, 2026

• adaptive concurrency: add absolute latency buffer and optional EWMA baseline

  envoyproxy/envoy#47986 · Filter by author anton-oai opened on Oct 2, 2026

• zstd: incomplete requests in which any partial slice inflates 100x

  area/zstdbug
  envoyproxy/envoy#47970 · Filter by author sschepens opened on Oct 2, 2026
  1

• v1.39.2: LLVM 18 ld64.lld cannot parse Xcode 27 arm64e.x1 SDK targets

  envoyproxy/envoy#47964 · Filter by author chenrui333 opened on Oct 2, 2026

• ssl: FIPS 140-3 compliance story after aws-lc removal (#46023)

  area/ssl
  envoyproxy/envoy#47954 · Filter by author kpramesh2212 opened on Oct 1, 2026
  1

• OTLP stat sink: Histogram count doesn't match sum(bucket_counts), violates OTLP spec

  area/opentelemetrybug
  envoyproxy/envoy#47952 · Filter by author eu-genesys-hwang opened on Oct 1, 2026
  2

• on_demand HTTP filter: expose discovery outcome and latency (stats + access-log timing)

  envoyproxy/envoy#47945 · Filter by author xuanmin-zhu opened on Oct 1, 2026

• Allow route-scoped error redirects to forward original request and route context

  enhancementtriage
  envoyproxy/envoy#47891 · Filter by author simhnna opened on Sep 30, 2026

• Clarify xDS maintainers

  triage
  envoyproxy/envoy#47886 · Filter by author anuraaga opened on Sep 30, 2026

• hot restart: parent and child main threads can deadlock on UDP/QUIC packet forwarding

  envoyproxy/envoy#47833 · Filter by author bpalermo opened on Sep 28, 2026

• concurrency: configure limits per metadata key

  design proposalenhancement
  envoyproxy/envoy#47814 · Filter by author AntonKanug opened on Sep 28, 2026
  2

• api: v3 "deprecated" fields that can never be removed — policy question, and enum-level deprecated codegen noise

  envoyproxy/envoy#47811 · Filter by author phlax opened on Sep 28, 2026