🚀 New Features

• Add Startup Probe to Healthcheck Middleware by @kirankumar-grootan in https://github.com/gofiber/fiber/pull/3069
• Add support for RebuildTree by @luk3skyw4lker in https://github.com/gofiber/fiber/pull/3074
• Add Max Func to Limiter Middleware by @luk3skyw4lker in https://github.com/gofiber/fiber/pull/3070
• Add support for TrustProxy by @xEricL in https://github.com/gofiber/fiber/pull/3170
• Add Context Support to RequestID Middleware by @JIeJaitt in https://github.com/gofiber/fiber/pull/3200
• Add TestConfig to app.Test() for configurable testing by @grivera64 in https://github.com/gofiber/fiber/pull/3161
• Add support for creating Fiber client from existing FastHTTP client by @mitulagr2 in https://github.com/gofiber/fiber/pull/3214
• Add buffered streaming support by @grivera64 in https://github.com/gofiber/fiber/pull/3131
• Add support for CBOR encoding by @imsk17 in https://github.com/gofiber/fiber/pull/3173
• Add AllLogger to Config by @haochunchang in https://github.com/gofiber/fiber/pull/3153
• Add support for graceful shutdown timeout in ListenConfig by @ksw2000 in https://github.com/gofiber/fiber/pull/3220
• Add support for AutoTLS / ACME by @wangjq4214 in https://github.com/gofiber/fiber/pull/3201
• Add support for iterator methods to Fiber client by @efectn in https://github.com/gofiber/fiber/pull/3228
• Add support for configuring TLS Min Version by @dozheiny in https://github.com/gofiber/fiber/pull/3248
• Add Drop method to DefaultCtx for silent connection termination by @ryanbekhen in https://github.com/gofiber/fiber/pull/3257
• Middleware/session: re-write session middleware with handler by @sixcolors in https://github.com/gofiber/fiber/pull/3016

🧹 Updates

• Updates to fiberlog benchmarks and documentation by @gaby in https://github.com/gofiber/fiber/pull/3059
• Update benchmarks for Logger Middleware by @gaby in https://github.com/gofiber/fiber/pull/3061
• Enforce key length for EncryptCookie middleware default functions by @gaby in https://github.com/gofiber/fiber/pull/3056
• Improve and simplify logic of ctx.Next() by @gaby in https://github.com/gofiber/fiber/pull/3063
• Improve performance of Adaptor Middleware by @gaby in https://github.com/gofiber/fiber/pull/3078
• Refactor Benchmark Results Workflow by @gaby in https://github.com/gofiber/fiber/pull/3082
• Use Named Fields Instead of Positional and Align Structures to Reduce Memory Usage by @gaby in https://github.com/gofiber/fiber/pull/3079
• Improve performance of helper functions by @gaby in https://github.com/gofiber/fiber/pull/3086
• Use utils Trim functions instead of the strings/bytes functions by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3087
• Improve Performance of c.Body() by 125% by @gaby in https://github.com/gofiber/fiber/pull/3090
• Add Benchmarks for Rewrite Middleware by @gaby in https://github.com/gofiber/fiber/pull/3092
• Consolidate Logic of Handling the Request Body by @ad3n in https://github.com/gofiber/fiber/pull/3093
• Add support for go1.23 and golangci-lint v1.60.1 by @gaby in https://github.com/gofiber/fiber/pull/3101
• Use msgp for flash message encoding/decoding by @efectn in https://github.com/gofiber/fiber/pull/3099
• Optimize IsFromLocal() performance by @gaby in https://github.com/gofiber/fiber/pull/3140
• Replace vendored gorilla/schema package by @efectn in https://github.com/gofiber/fiber/pull/3152
• Middleware/CORS Remove Scheme Restriction by @zingi in https://github.com/gofiber/fiber/pull/3163
• Improve naming convention for Context returning functions by @gaby in https://github.com/gofiber/fiber/pull/3193
• Mark go1.23 as minimum go version by @efectn in https://github.com/gofiber/fiber/pull/3226
• Rename the Method Names of FormData and FormDatas (#3251) by @ksw2000 in https://github.com/gofiber/fiber/pull/3255
• Improve Performance of Fiber Router by @gaby in https://github.com/gofiber/fiber/pull/3261

🐛 Bug Fixes

• Middleware/cache: Fix typo by @miyamo2 in https://github.com/gofiber/fiber/pull/3145
• Middleware/cache: Runtime error: index out of range [0] with length 0 by @brunodmartins in https://github.com/gofiber/fiber/pull/3075
• Middleware/Adaptor: Duplicates cookies by @sigmundxia in https://github.com/gofiber/fiber/pull/3151
• Client: Fix SetProxyURL functionality by @efectn in https://github.com/gofiber/fiber/pull/3109
• Fix square bracket notation in Multipart FormData by @efectn in https://github.com/gofiber/fiber/pull/3235
• Fasthttp errors cause panic when Params is used by @efectn in https://github.com/gofiber/fiber/pull/3055
• Use Content-Length for bytesReceived and bytesSent tags in Logger Middleware by @gaby in https://github.com/gofiber/fiber/pull/3066
• Error check in Form binder by @devhaozi in https://github.com/gofiber/fiber/pull/3110
• Handle un-matched open brackets in the query params by @dojutsu-user in https://github.com/gofiber/fiber/pull/3126
• Fix issue with default logger when creating RequestCtx by @gaby in https://github.com/gofiber/fiber/pull/3134
• Behavior of DefaultCtx.Fresh when 'Last-Modified' and 'If-Modified-Since' are equal by @miyamo2 in https://github.com/gofiber/fiber/pull/3150
• Close File After SaveFileToStorage by @gopkg-dev in https://github.com/gofiber/fiber/pull/3197
• Make SetValWithStruct set zero values and support more types #3167 by @ksw2000 in https://github.com/gofiber/fiber/pull/3227
• EnableSplittingOnParsers is not functional by @efectn in https://github.com/gofiber/fiber/pull/3231
• Memory leak removal in the idempotency middleware by @sunnyyssh in https://github.com/gofiber/fiber/pull/3263
• Fix race condition by @sixcolors in https://github.com/gofiber/fiber/pull/3081
• Nil pointer dereference with Must Bind binding by @ItsMeSamey in https://github.com/gofiber/fiber/pull/3171

🛠️ Maintenance

• Bump golangci-lint to v1.62.0 by @gaby in https://github.com/gofiber/fiber/pull/3196
• Bump golangci-lint to v1.61.0 by @gaby in https://github.com/gofiber/fiber/pull/3135
• Bump golangci-lint to v1.60.3 by @gaby in https://github.com/gofiber/fiber/pull/3119
• Bump golang.org/x/crypto from 0.30.0 to 0.31.0 by @dependabot in https://github.com/gofiber/fiber/pull/3247
• Bump golang.org/x/crypto from 0.28.0 to 0.30.0 by @dependabot in https://github.com/gofiber/fiber/pull/3243
• Bump github.com/valyala/fasthttp from 1.57.0 to 1.58.0 by @dependabot in https://github.com/gofiber/fiber/pull/3244
• Bump github.com/valyala/fasthttp from 1.56.0 to 1.57.0 by @dependabot in https://github.com/gofiber/fiber/pull/3183
• Bump github.com/valyala/fasthttp from 1.55.0 to 1.56.0 by @dependabot in https://github.com/gofiber/fiber/pull/3146
• Bump github.com/tinylib/msgp from 1.2.4 to 1.2.5 by @dependabot in https://github.com/gofiber/fiber/pull/3240
• Bump github.com/tinylib/msgp from 1.2.3 to 1.2.4 by @dependabot in https://github.com/gofiber/fiber/pull/3185
• Bump github.com/tinylib/msgp from 1.2.1 to 1.2.3 by @dependabot in https://github.com/gofiber/fiber/pull/3182
• Bump github.com/tinylib/msgp from 1.1.8 to 1.2.1 by @ReneWerner87 in https://github.com/gofiber/fiber/pull/3147
• Bump github.com/stretchr/testify from 1.9.0 to 1.10.0 by @dependabot in https://github.com/gofiber/fiber/pull/3217
• Bump github.com/gofiber/utils/v2 from 2.0.0-beta.6 to 2.0.0-beta.7 by @dependabot in https://github.com/gofiber/fiber/pull/3174
• Bump github.com/gofiber/utils/v2 from 2.0.0-beta.4 to 2.0.0-beta.5 by @dependabot in https://github.com/gofiber/fiber/pull/3062
• Bump DavidAnson/markdownlint-cli2-action from 18 to 19 by @dependabot in https://github.com/gofiber/fiber/pull/3266
• Bump DavidAnson/markdownlint-cli2-action from 17 to 18 by @dependabot in https://github.com/gofiber/fiber/pull/3208
• Bump DavidAnson/markdownlint-cli2-action from 16 to 17 by @dependabot in https://github.com/gofiber/fiber/pull/3128
• Bump codecov/codecov-action from 5.1.1 to 5.1.2 by @dependabot in https://github.com/gofiber/fiber/pull/3256
• Bump codecov/codecov-action from 5.0.7 to 5.1.1 by @dependabot in https://github.com/gofiber/fiber/pull/3234
• Bump codecov/codecov-action from 5.0.4 to 5.0.7 by @dependabot in https://github.com/gofiber/fiber/pull/3213
• Bump codecov/codecov-action from 5.0.2 to 5.0.4 by @dependabot in https://github.com/gofiber/fiber/pull/3210
• Bump codecov/codecov-action from 5.0.0 to 5.0.2 by @dependabot in https://github.com/gofiber/fiber/pull/3209
• Bump codecov/codecov-action from 4.6.0 to 5.0.0 by @dependabot in https://github.com/gofiber/fiber/pull/3207
• Bump codecov/codecov-action from 4.5.0 to 4.6.0 by @dependabot in https://github.com/gofiber/fiber/pull/3154
• Bump benchmark-action/github-action-benchmark from 1.20.3 to 1.20.4 by @dependabot in https://github.com/gofiber/fiber/pull/3177
• Bump actions/checkout from 3 to 4 by @dependabot in https://github.com/gofiber/fiber/pull/3083

📚 Documentation

• Add support for consistent documentation using markdownlint by @gaby in https://github.com/gofiber/fiber/pull/3064
• Update example in middleware/cors to v3 by @AuroraTea in https://github.com/gofiber/fiber/pull/3116
• Update recover docs to not use reserved keyword by @glensargent in https://github.com/gofiber/fiber/pull/3129
• Fix typos in client hooks documentation by @yinheli in https://github.com/gofiber/fiber/pull/3133
• Replaced link to russian mozilla docs by @nexovec in https://github.com/gofiber/fiber/pull/3142
• Removed zero width white space from logger docs by @oktayozkan0 in https://github.com/gofiber/fiber/pull/3144
• Fix typo on comment by @ad3n in https://github.com/gofiber/fiber/pull/3158
• Typo in hooks documentation by @SantiagoBobrik in https://github.com/gofiber/fiber/pull/3164
• Update README.md by @s19835 in https://github.com/gofiber/fiber/pull/3165
• Revert "Update README.md (#3165)" by @gaby in https://github.com/gofiber/fiber/pull/3166
• Update What's New documentation by @alequilesl in https://github.com/gofiber/fiber/pull/3181
• Clarify SendFile Docs by @xEricL in https://github.com/gofiber/fiber/pull/3172
• Update intro documentation by @gaby in https://github.com/gofiber/fiber/pull/3204
• Updates to API documentation and README by @gaby in https://github.com/gofiber/fiber/pull/3205
• Updates to Context documentation by @gaby in https://github.com/gofiber/fiber/pull/3206
• Update documentation for Fiber client by @gaby in https://github.com/gofiber/fiber/pull/3249
• Optimize the menu item text by @AuroraTea in https://github.com/gofiber/fiber/pull/3267

Full Changelog: https://github.com/gofiber/fiber/compare/v3.0.0-beta.3...v3.0.0-beta.4