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LaunchDarkly/Relay Proxy

Relay Proxy

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Releases12Avg4/moVersionsv8.17.0 → v9.0.0-rc.2
Apr 10, 2026

9.0.0-rc.2 (2026-04-09)

⚠ BREAKING CHANGES

  • Metrics system replaced: OpenCensus has been replaced with OpenTelemetry. Direct integrations for Datadog, Stackdriver, and Prometheus have been removed. Config sections [Datadog], [Stackdriver], [Prometheus] and their environment variables (USE_DATADOG, USE_STACKDRIVER, USE_PROMETHEUS, DATADOG_*, STACKDRIVER_*, PROMETHEUS_*) are no longer supported. Use the new [OpenTelemetry] config section with USE_OTLP, OTEL_SERVICE_NAME, OTEL_EXPORTER_OTLP_ENDPOINT, OTEL_EXPORTER_OTLP_PROTOCOL, and OTEL_EXPORTER_OTLP_HEADERS to export metrics via OTLP to any compatible backend.
  • Metric names changed to follow OTEL semantic conventions: connections is now http.server.active_requests, newconnections has been removed, and requests has been replaced by the http.server.request.duration histogram.
  • Metric attribute names changed: relayId is now relay.id, platformCategory is now platform.category, userAgent is now user_agent, sdkWrapper is now sdk.wrapper, env is now environment.name, route is now http.route, method is now http.request.method. New attributes added: url.scheme, application.id, application.version, instance.id.
  • Module path changed from ld-relay/v8 to ld-relay/v9.
  • Minimum Go version bumped from 1.24 to 1.25.

Features

  • Add FDv2 client-side streaming and polling support for mobile and JS client SDKs
  • Add http.server.request.duration histogram metric with per-endpoint granularity, response status codes, and protocol version attributes
  • Add event processing OTEL metrics for ingestion, forwarding, errors, drops, and queue depth
  • Add OTLP metrics export support via gRPC or HTTP to any compatible backend

Bug Fixes

  • deps: bump google.golang.org/grpc from 1.61.0 to 1.79.3
  • deps: bump supported Go versions to 1.26.2 and 1.25.9
  • deps: update Dockerfiles from 3.23.2 to alpine:3.23.3
Apr 9, 2026

8.18.0 (2026-04-09)

Features

  • Add request_duration metric for each endpoint (#634) (fb309fc)

Bug Fixes

  • deps: bump supported Go versions to 1.26.2 and 1.25.9 (#633) (08bbc9e)
  • remove racy syncTimeCh length assertions in big segment sync tests (#624) (2c43bda)

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->
Apr 1, 2026

8.17.8 (2026-04-01)

Bug Fixes

  • Include tags header in relayUsage metadata (#618) (41152b1)

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->

8.17.7 (2026-04-01)

Bug Fixes

  • deps: bump google.golang.org/grpc from 1.61.0 to 1.79.3 (2ebb357)

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->
Mar 30, 2026

8.17.6 (2026-03-30)

Bug Fixes

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->
Mar 27, 2026
Mar 16, 2026

8.17.4 (2026-03-12)

Bug Fixes

  • Remove deprecated big segment excluded usage from integration tests (#591) (81c53aa)

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->
Mar 11, 2026

8.17.3 (2026-03-11)

Bug Fixes

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->

8.17.2 (2026-03-11)

Bug Fixes

  • Set timeout for big segment revisions poll (#584) (2b3051e)

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->

8.17.1 (2026-03-11)

Bug Fixes

  • deps: bump supported Go versions to 1.25.7 and 1.24.13 (#579) (9f99a49)
  • deps: bump supported Go versions to 1.26.1 and 1.25.8 (#585) (49aa16e)
  • deps: update Dockerfiles from 3.23.2 to alpine:3.23.3 (#577) (f6b4e48)

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->
Jan 30, 2026

9.0.0-rc.1 (2026-01-30)

Features

  • Add environment specific status endpoints (#571)
  • Support offline mode (#561)
Jan 26, 2026

8.17.0 (2026-01-26)

Features

  • Add support for structured JSON logging (#572) (9afcc4d)

Bug Fixes

  • deps: bump supported Go versions to 1.25.6 and 1.24.12 (#575) (5b4810a)

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->
Dec 18, 2025

8.16.4 (2025-12-18)

Bug Fixes

  • deps: update Dockerfiles from 3.23.0 to alpine:3.23.2 (#569) (4bb745d)

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->

8.16.3 (2025-12-18)

Bug Fixes

  • deps: bump supported Go versions to 1.25.5 and 1.24.11 (#560) (c986132)
  • deps: update Dockerfiles from 3.22.2 to alpine:3.23.0 (#566) (090e7b0)

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->
Dec 3, 2025

8.16.2 (2025-12-03)

Bug Fixes

  • Remove double slash in diagnostic url debug message (#558) (b7c3a58)

This is an alpha release of Relay Proxy supporting the new data saving mode. Support is currently limited to select few customers. If you are interested in testing out this newest release, please contact support.

Bug Fixes

  • Fixes format of polling mode response for data-saving mode endpoints.
Nov 24, 2025

8.16.1 (2025-11-24)

Bug Fixes

  • Redact Redis password from Big Segment logs (#555) (e9dc1b9), closes #550

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->
Nov 21, 2025

8.16.0 (2025-11-21)

Features

  • Support jitter for client/mobile ping stream connections (#551) (ab1b945)

Bug Fixes

  • Bump github.com/launchdarkly/go-server-sdk/v7 from v7.14.0 -> v7.14.1 (#553) (ea8df17)
  • Bump minimum go to 1.24 (#552) (7f622ac)

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->
Nov 13, 2025

8.15.0 (2025-11-13)

Features

  • Add HTTP client transport configuration options (#545) (cab095a)

Bug Fixes

  • deps: bump supported Go versions to 1.25.3 and 1.24.9 (#541) (1f37eac)
  • deps: bump supported Go versions to 1.25.4 and 1.24.10 (#548) (91cf12f)

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->
Oct 22, 2025

8.14.0 (2025-10-22)

Features

Bug Fixes

  • deps: bump supported Go versions to 1.25.0 and 1.24.6 (#533) (8b70264)
  • deps: bump supported Go versions to 1.25.1 and 1.24.7 (#536) (fba0368)
  • deps: bump supported Go versions to 1.25.2 and 1.24.8 (#537) (8f50322)
  • deps: update Dockerfiles from 3.22.1 to alpine:3.22.2 (#539) (c686a36)

This PR was generated with Release Please. See documentation.

<!-- CURSOR_SUMMARY -->
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v9.0.0-rc.2
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@launchdarkly/ld-relay
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Apr 16, 2018
Last fetched Apr 19, 2026
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