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GO Feature Flag

v1.55.0 Feature

This release adds 3 notable features for engineering teams evaluating rollout.

✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

beginner-friendly ci-cd continuous-testing experimentation experiments feature-flag
+10 more
feature-flags feature-toggle feature-toggles feature-toggling go-feature-flag golang-library open-feature openfeature toggles variants

Affected surfaces

crypto_tls deps

Summary

AI summary

Updates 🔧 Chores, 🚀 New Features, and 📚 Documentation across a mixed release.

Full changelog

1.55.0 (2026-07-02)

This version is including brand new features that were requested by a lot of users such as:

  • The possibility to add or delete flag sets at runtime, you can now automatically add or remove flag set without a restart 🙌.
  • You can now also export your data to Google Big Query
  • You can add a certificated in your http retriever, allowing to secure your connections.

And as always this version contains bug fixes and dependencies update.

🚀 New Features

  • add Google BigQuery exporter (#5356) (cee47d4)
  • python-provider: automate WASM/WASI version bump (#5541) (6ddc99d)
  • relayproxy: add and remove flagsets at runtime without a restart (#5488) (4c9bb15)
  • support client certificate in http retriever (#5446) (260b719)

🐛 Bug Fixes

  • relayproxy: prevent panic on concurrent websocket writes (#5469) (1c847f2)

🔧 Chores

  • Bump @babel/preset-env in /examples/openfeature_web/webapp (#5494) (eb09c92)
  • Bump @openfeature/core in /examples/openfeature_react/react-app (#5497) (818b74a)
  • Bump @openfeature/react-sdk (#5499) (ff87fa0)
  • Bump @openfeature/server-sdk (#5483) (b9bfc7a)
  • Bump @openfeature/web-sdk in /examples/openfeature_web/webapp (#5498) (18c6dcd)
  • Bump @types/react in /examples/openfeature_react/react-app (#5473) (fdda149)
  • Bump @typescript-eslint/eslint-plugin (#5430) (d604983)
  • Bump @typescript-eslint/eslint-plugin (#5474) (2516e1f)
  • Bump @typescript-eslint/eslint-plugin (#5503) (cbc9645)
  • Bump actions/checkout from 6.0.3 to 7.0.0 (#5508) (3d0a5bb)
  • Bump actions/setup-java from 5.2.0 to 5.3.0 (#5506) (517a60d)
  • Bump cloud.google.com/go/bigquery from 1.74.0 to 1.77.0 (#5451) (a3cfc35)
  • Bump cloud.google.com/go/storage from 1.62.2 to 1.62.3 (#5441) (bf33e64)
  • Bump dev.openfeature:sdk (#5527) (4612050)
  • Bump eslint in /examples/openfeature_react/react-app (#5434) (503a571)
  • Bump eslint in /examples/openfeature_react/react-app (#5505) (a64f9c9)
  • Bump eslint in /examples/openfeature_web/webapp (#5428) (c814b4d)
  • Bump eslint in /examples/openfeature_web/webapp (#5500) (e7b553e)
  • Bump eslint-plugin-react-refresh (#5495) (dd00e04)
  • Bump github.com/aws/aws-sdk-go-v2 from 1.41.12 to 1.42.0 (#5456) (8794041)
  • Bump github.com/aws/aws-sdk-go-v2/feature/s3/transfermanager (#5437) (133a520)
  • Bump github.com/aws/aws-sdk-go-v2/feature/s3/transfermanager (#5454) (991601a)
  • Bump github.com/aws/aws-sdk-go-v2/feature/s3/transfermanager (#5457) (e9ffaf2)
  • Bump github.com/aws/aws-sdk-go-v2/feature/s3/transfermanager (#5466) (2d6ebd3)
  • Bump github.com/aws/aws-sdk-go-v2/feature/s3/transfermanager (#5489) (ab9f279)
  • Bump github.com/aws/aws-sdk-go-v2/service/kinesis (#5432) (08c92a6)
  • Bump github.com/aws/aws-sdk-go-v2/service/kinesis (#5460) (d6ee3d6)
  • Bump github.com/aws/aws-sdk-go-v2/service/s3 (#5459) (7f03a45)
  • Bump github.com/aws/aws-sdk-go-v2/service/sqs (#5438) (3f28da8)
  • Bump github.com/aws/aws-sdk-go-v2/service/sqs (#5461) (489f994)
  • Bump github.com/aws/smithy-go from 1.27.1 to 1.27.2 (#5452) (cf6cff4)
  • Bump github.com/Azure/azure-sdk-for-go/sdk/azidentity (#5484) (0b7fcb6)
  • Bump github.com/Azure/azure-sdk-for-go/sdk/storage/azblob (#5486) (15a8eb4)
  • Bump github.com/IBM/sarama from 1.50.1 to 1.50.2 (#5453) (0016350)
  • Bump github.com/IBM/sarama from 1.50.2 to 1.50.3 (#5485) (afe3ba8)
  • Bump github.com/labstack/echo/v4 from 4.15.2 to 4.15.3 (#5480) (0e09432)
  • Bump github.com/labstack/echo/v4 from 4.15.3 to 4.15.4 (#5487) (0213451)
  • Bump github.com/prometheus/common from 0.68.1 to 0.69.0 (#5493) (6098a13)
  • Bump github.com/redis/go-redis/v9 from 9.20.0 to 9.20.1 (#5470) (c36d1c8)
  • Bump github.com/redis/go-redis/v9 from 9.20.1 to 9.21.0 (#5525) (08dd2d2)
  • Bump github.com/testcontainers/testcontainers-go/modules/azure (#5512) (56354d5)
  • Bump github.com/testcontainers/testcontainers-go/modules/mongodb (#5513) (6f97c77)
  • Bump github.com/testcontainers/testcontainers-go/modules/postgres (#5509) (4a663a2)
  • Bump github.com/testcontainers/testcontainers-go/modules/redis (#5510) (ba29e09)
  • Bump github/codeql-action from 4.36.1 to 4.36.2 (#5445) (3fbf005)
  • Bump golang.org/x/net from 0.55.0 to 0.56.0 (#5465) (218c196)
  • Bump google.golang.org/api from 0.283.0 to 0.284.0 (#5464) (6d6542e)
  • Bump google.golang.org/api from 0.284.0 to 0.285.0 (#5491) (5d6f937)
  • Bump google.golang.org/api from 0.285.0 to 0.286.0 (#5526) (043039e)
  • Bump gradle-wrapper (#5496) (5083677)
  • Bump gradle/actions from 6.1.0 to 6.2.0 (#5477) (fca883c)
  • Bump jvm in /examples/openfeature_kotlin_server/kotlin-app (#5431) (ffe1ebc)
  • Bump k8s.io/api from 0.36.1 to 0.36.2 (#5482) (d9fbb20)
  • Bump k8s.io/apimachinery from 0.36.1 to 0.36.2 (#5479) (bad9968)
  • Bump k8s.io/client-go from 0.36.1 to 0.36.2 (#5481) (4604c83)
  • Bump Microsoft.NET.Test.Sdk from 18.6.0 to 18.7.0 (#5532) (6e948b9)
  • Bump OpenFeature from 2.13.0 to 2.14.0 (#5528) (233f243)
  • Bump pozil/auto-assign-issue from 4.0.0 to 4.0.1 (#5476) (3fc3ca6)
  • Bump react-dom in /examples/openfeature_react/react-app (#5436) (208b55d)
  • Bump sass in /examples/openfeature_web/webapp (#5471) (e0b05bd)
  • Bump softprops/action-gh-release from 3.0.0 to 3.0.1 (#5507) (5213119)
  • Bump stylelint in /examples/openfeature_web/webapp (#5472) (3a3467e)
  • Bump tailwindcss in /examples/openfeature_react/react-app (#5501) (4e9a110)
  • Bump vite in /examples/openfeature_react/react-app (#5429) (85a73dd)
  • dependency: Bump module modules/core 0.7.2 (#5536) (77443b0)
  • Remove gemini specific files (#5421) (b814d44)

📚 Documentation

  • fix inaccuracies in root README.md (#5539) (ebf9f69)
  • Update AI review references from gemini to greptile (e01d161)
  • website: redesign homepage with new hero, comparison, and architecture sections (#5447) (95c2195)

⚙️ CI/CD

  • Re-enable govulncheck scoped to the relay proxy (#5524) (db4fd50)

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About GO Feature Flag

Simple, complete, and lightweight feature flag solution (alternative to LaunchDarkly).

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Beta — feedback welcome: [email protected]