🚀 New Features

• Middleware/basicAuth: Add Fiber Context to BasicAuth Authorizer by @gaby in https://github.com/gofiber/fiber/pull/3621
• Middleware/basicAuth: Add HeaderLimit option to BasicAuth middleware by @gaby in https://github.com/gofiber/fiber/pull/3620
• Middleware/basicAuth: Support hashed BasicAuth passwords by @gaby in https://github.com/gofiber/fiber/pull/3631
• Middleware/csrf: Enhance extractor functionality with metadata and security validation by @sixcolors in https://github.com/gofiber/fiber/pull/3630
• Middleware/limiter: Support for disabling response headers in Limiter Middleware by @gaby in https://github.com/gofiber/fiber/pull/3618
• Middleware/proxy: Add KeepConnectionHeader option to Proxy middleware by @gaby in https://github.com/gofiber/fiber/pull/3662
• Middleware/session: Introduce Extractor pattern for session ID retrieval by @sixcolors in https://github.com/gofiber/fiber/pull/3625
• Support for SendEarlyHints by @pjebs in https://github.com/gofiber/fiber/pull/3483
• Support generic configurable logger by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3705
• Add conditional copy helpers by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3703
• Add support for embedded Koa-Style Req and Res structs by @grivera64 in https://github.com/gofiber/fiber/pull/3533
• Add default UTF-8 charset by @Copilot in https://github.com/gofiber/fiber/pull/3583

🧹 Updates

• Middleware/basicAuth: Remove SHA-1/MD5 support in BasicAuth middleware by @gaby in https://github.com/gofiber/fiber/pull/3634
• Middleware/basicAuth: Remove support for PasswordFromContext from BasicAuth middleware by @gaby in https://github.com/gofiber/fiber/pull/3638
• Middleware/cors: Fix CORS docs and comments by @gaby in https://github.com/gofiber/fiber/pull/3637
• Middleware/csrf: Fix CSRF error message mismatch with documentation by @gaby in https://github.com/gofiber/fiber/pull/3636
• Middleware/csrf: Fix CSRF subdomain wildcard boundary by @gaby in https://github.com/gofiber/fiber/pull/3694
• Middleware/keyAuth: Extractor-Based Configuration and Enhanced Flexibility by @sixcolors in https://github.com/gofiber/fiber/pull/3685
• Middleware/keyAuth: Return generic errors in KeyAuth middleware by @gaby in https://github.com/gofiber/fiber/pull/3692
• Middleware/pprof: Fix pprof middleware docs and default config by @gaby in https://github.com/gofiber/fiber/pull/3642
• Add tests for quoteRawString by @gaby in https://github.com/gofiber/fiber/pull/3613
• Replace math/rand with crypto/rand by @gaby in https://github.com/gofiber/fiber/pull/3508
• Enable govet shadow by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3617
• Fix Cookie SameSite constants to Pascal case per RFC specification by @Copilot in https://github.com/gofiber/fiber/pull/3608
• Fix timing for streaming test by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3628
• Reduce allocation in AutoFormat by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3652
• Add sync pool and release helpers for Bind by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3660
• Add CBOR support to AutoFormat() by @gaby in https://github.com/gofiber/fiber/pull/3665
• Add missing checks in Ctx tests by @gaby in https://github.com/gofiber/fiber/pull/3670
• Stabilize interrupted stream writer test by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3669
• Fix AcceptsLanguages() RFC compliance by @gaby in https://github.com/gofiber/fiber/pull/3672
• Respect immutable config in Params(), Protocol(), and Body() by @gaby in https://github.com/gofiber/fiber/pull/3676
• Optimize Fresh header parsing for fasthttp 1.65 by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3687
• Use ephemeral ports in unit tests by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3686
• Delay routing error creation by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3683
• Improve Req/Res Benchmarks by @grivera64 in https://github.com/gofiber/fiber/pull/3693
• Using reflect.TypeAssert by @cuiweixie in https://github.com/gofiber/fiber/pull/3698
• Skip unstable GenericParseType benchmarks by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3614
• Require Go 1.25 by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3682

🐛 Bug Fixes

• Middleware/cors: Fix CORS subdomain wildcard boundary by @gaby in https://github.com/gofiber/fiber/pull/3690
• Middleware/limiter: Fix limiter middleware not counting fiber.NewErrorf responses as failed requests by @Copilot in https://github.com/gofiber/fiber/pull/3623
• Middleware/static: Fix Static middleware browser support for subdirectories by @efectn in https://github.com/gofiber/fiber/pull/3673
• Fix retry config handling by @gaby in https://github.com/gofiber/fiber/pull/3609
• Fix race in cookie tests by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3629
• Fix bind All() merging logic by @gaby in https://github.com/gofiber/fiber/pull/3659

🛠️ Maintenance

• build(deps): bump kenchan0130/actions-system-info from 1.3.1 to 1.4.0 by @dependabot[bot] in https://github.com/gofiber/fiber/pull/3679
• build(deps): bump github.com/shamaton/msgpack/v2 from 2.2.3 to 2.3.0 by @dependabot[bot] in https://github.com/gofiber/fiber/pull/3678
• build(deps): bump actions/checkout from 4 to 5 by @dependabot[bot] in https://github.com/gofiber/fiber/pull/3681
• build(deps): bump github.com/valyala/fasthttp from 1.64.0 to 1.65.0 by @dependabot[bot] in https://github.com/gofiber/fiber/pull/3684
• build(deps): bump github.com/gofiber/utils/v2 from 2.0.0-beta.14 to 2.0.0-rc.1 by @dependabot[bot] in https://github.com/gofiber/fiber/pull/3689
• build(deps): bump codecov/codecov-action from 5.4.3 to 5.5.0 by @dependabot[bot] in https://github.com/gofiber/fiber/pull/3701
• build(deps): bump github.com/stretchr/testify from 1.10.0 to 1.11.0 by @dependabot[bot] in https://github.com/gofiber/fiber/pull/3712

📚 Documentation

• Add early hints documentation by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3697
• Add migration tool info by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3708
• Add context guide by @gaby in https://github.com/gofiber/fiber/pull/3677
• Fix EarlyData middleware docs by @gaby in https://github.com/gofiber/fiber/pull/3646
• Fix Skip middleware docs by @gaby in https://github.com/gofiber/fiber/pull/3649
• Fix context changes doc by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3650
• Fix RequestID docs by @gaby in https://github.com/gofiber/fiber/pull/3648
• Fix Proxy middleware docs by @gaby in https://github.com/gofiber/fiber/pull/3647
• Fix Compress middleware docs by @gaby in https://github.com/gofiber/fiber/pull/3645
• Fix Cache middleware docs by @gaby in https://github.com/gofiber/fiber/pull/3644
• Fix Favicon middleware documentation by @gaby in https://github.com/gofiber/fiber/pull/3640
• Fix Static middleware docs by @gaby in https://github.com/gofiber/fiber/pull/3643
• Fix Healthcheck middleware documentation by @gaby in https://github.com/gofiber/fiber/pull/3657
• Fix KeyAuth middleware docs by @gaby in https://github.com/gofiber/fiber/pull/3641
• Improve Timeout middleware documentation by @gaby in https://github.com/gofiber/fiber/pull/3675
• Add Learning Resources section with Go Interview Practice platform by @RezaSi in https://github.com/gofiber/fiber/pull/3691
• Fix typos in documentation by @kianmeng in https://github.com/gofiber/fiber/pull/3695
• document utils package migration by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3704
• Note CSRF ContextKey removal by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3706
• Note removal of context keys by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3707

New Contributors

• @RezaSi made their first contribution in https://github.com/gofiber/fiber/pull/3691
• @kianmeng made their first contribution in https://github.com/gofiber/fiber/pull/3695
• @cuiweixie made their first contribution in https://github.com/gofiber/fiber/pull/3698

A fully-detailed view of all new features and the migration guide is available in our
https://docs.gofiber.io/next/whats_new

Full Changelog: https://github.com/gofiber/fiber/compare/v3.0.0-beta.5...v3.0.0-rc.1