Below is the auto-generated changelog, which includes all PRs that went into the release.
For a shorter version that highlights only important changes, see CHANGELOG.md.

What's Changed

🚀 Features

• Make endpoint picker connection flags configurable by @salonichf5 in #4105
• Update GatewayAPI to v1.4.1 by @ciarams87 in #4166
• Adding nginx_proxy access_log format ability by @tataruty in #4102
• Add SupportedFeatures to GatewayClassStatus by @ciarams87 in #4236
• Add support for backend tls config for Gateways by @salonichf5 in #3900
• Allow RegularExpression for path match be RE2/PCRE friendly. by @salonichf5 in #4450
• Add support for multiple InferencePool backends by @bjee19 in #4439

🐛 Bug Fixes

• Add the goreleaser fix from release branch by @ciarams87 in #4147
• Fix production pipeline by @ciarams87 in #4148
• Support mixed externalname and local services in single route by @ciarams87 in #4188
• Fix bug where user mounted files were being removed by agent by @bjee19 in #4178
• Preserve external controller state during reconciliation by @ciarams87 in #4182
• Fix HPA race condition by reading deployment replicas instead of HPA status by @ciarams87 in #4214
• Allow HPA to work when Inference is enabled by @sjberman in #4247
• Deduplicate route status entries by @sjberman in #4250
• Fix empty pod owner name when connecting to agent by @sjberman in #4367
• Remove k8s API access from NGINX pod by @sjberman in #4368
• fix: pass IPv6 DNS resolvers correctly by @sjberman in #4378
• Truncate long resource names when provisioning by @sjberman in #4387
• Retry NGINX provisioning on all errors by @sjberman in #4399
• Update permissions of gateway binary for UBI by @shaun-nx in #4404
• Use UUID instead of IP address for tracking agent (#4470) by @sjberman in #4472
• Preserve external controller annotations for deployment and daemonSet (#4468) by @salonichf5 in #4473
• Fix hostNetwork data plane pod connection issue (#4481) by @sjberman in #4483

📦 Helm Chart

• Update CHANGELOG and README for 2.2.0 by @ciarams87 in #4138
• Allow disabling cert-generator with a Helm value by @fabian4 in #4186
• Update docs for 2.2.1 release by @sjberman in #4283
• Update NGF chart logo to official branded logo by @sjberman in #4292
• Add clarifying comment to service template by @sjberman in #4321
• Release 2.3.0 by @github-actions[bot] in #4474

🧪 Tests

• NFR Test Results for NGF version 2.2.0 (#4124) by @ciarams87 in #4127
• Update Helm release opentelemetry-collector to v0.141.0 by @renovate[bot] in #4129, #4197, #4243, #4332, #4412
• Fix IPv6 tests and reduce logging noise in test suite by @ciarams87 in #4163
• NFR Test Results for NGF version edge by @github-actions[bot] in #4202
• Update curlimages/curl Docker tag to v8.17.0 by @renovate[bot] in #4225
• Update ghcr.io/nginx/kic-test-grpc-server Docker tag to v0.2.6 by @renovate[bot] in #4240
• Update docker/dockerfile Docker tag to v1.20 by @renovate[bot] in #4276
• Functional test logging/startup fixes by @sjberman in #4302
• Fix NFR upgrade tests by @sjberman in #4371
• NFR Test Results for NGF version edge by @github-actions[bot] in #4389
• NFR Test Results for NGF version v2.3.0 by @github-actions[bot] in #4453

📝 Documentation

• Move release logic to CI by @ciarams87 in #4137
• Update NGINX Agent to v3.4.2 by @renovate[bot] in #4162
• Update bundle for v1.0.0/v2.2.0 by @ciarams87 in #4157
• Design Session Persistence - Part 1 by @salonichf5 in #4158
• Enhancement Proposal: Authentication Filter by @shaun-nx in #4136
• Provisional ProxySettingsPolicy proposal by @ciarams87 in #4237
• Design for session persistence - Part II by @salonichf5 in #4221
• Implementable ProxySettingsPolicy proposal by @ciarams87 in #4256
• Provisional RateLimitPolicy proposal by @bjee19 in #4324
• Update session persistence design by @salonichf5 in #4314
• Enhancement Proposal: Authentication Filter by @shaun-nx in #4235
• Update DavidAnson/markdownlint-cli2-action action to v21 by @renovate[bot] in #4300
• Update NGINX Plus to R36 by @sjberman in #4365
• Update NGINX Agent to v3.5.1 by @sjberman in #4372
• Add examples for secure backend traffic guide by @salonichf5 in #4341
• Update Gateway API version to 1.4.1 by @sjberman in #4397
• Fix typo in proposal header by @shaun-nx in #4364
• Update dependency nginx/agent to v3.6.0 by @renovate[bot] in #4425

🔨 Maintenance

• Fix helm tests in release pipeline by @ciarams87 in #4126
• Fix prod workflow permissions by @ciarams87 in #4132
• Add docker login step to avoid rate limiting by @ciarams87 in #4140
• Reduce renovate noise by @ciarams87 in #4217
• Remove observability from alpha1 by @tataruty in #4215
• Alignment for Conditions messages format by @tataruty in #4253
• Update operator bundle for v1.0.1 (#4285) by @ciarams87 in #4287
• Upload conformance profiles to the correct release by @ciarams87 in #4289
• Fix provisioning logs by @sjberman in #4428
• Update docs and chart for 2.2.2 by @sjberman in #4438
• Update dockerfile packages by @sjberman in #4448
• Update bundle output for Operator by @shaun-nx in #4449

⬆️ Dependencies

Full Changelog: v2.2.2...v2.3.0