# Strapi v4.16.0 — Release & Upgrade Intelligence
- **Product:** Strapi (https://strapi.io)
- **Version:** v4.16.0
- **Released:** Dec 20, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/strapi/updates/v4.16.0/

## Executive Summary (TL;DR)
Strapi v4.16.0. Source highlight: [core:admin] Fix issues with case sensitive email addresses sent by some SSO providers (https://github.com/strapi/strapi/pull/18883) @Convly

## New Features
- [core:strapi] feature: add feature flags with experimental content-releases (https://github.com/strapi/strapi/pull/18586) @Feranchz @joshuaellis @simotae14 @markkaylor

## Bug Fixes
- [core:admin] Fix issues with case sensitive email addresses sent by some SSO providers (https://github.com/strapi/strapi/pull/18883) @Convly
- [core:content-manager] chore: backport relations search fix (https://github.com/strapi/strapi/pull/19070) @joshuaellis
- [core:helper-plugin] fix: wrapAxiosInstance.test (https://github.com/strapi/strapi/pull/18382) @jhoward1994
- [core:strapi] Register logger middleware before errors middleware (https://github.com/strapi/strapi/pull/16921) @goodhoko
- [core:utils] fix deep query populate issue on dynamic zone (https://github.com/strapi/strapi/pull/18966) @Bassel17
- [plugin:documentation] fix(documentation): use correct localization schema (https://github.com/strapi/strapi/pull/18580) @ciriousjoker