# Strapi v3.5.3 — Release & Upgrade Intelligence
- **Product:** Strapi (https://strapi.io)
- **Version:** v3.5.3
- **Released:** Mar 11, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/strapi/updates/v3.5.3/

## Executive Summary (TL;DR)
Strapi v3.5.3. Source highlight: [plugin:email] Add email test in plugin settings (https://github.com/strapi/strapi/pull/8156) @MattieBelt

## New Features
- [plugin:email] Add email test in plugin settings (https://github.com/strapi/strapi/pull/8156) @MattieBelt
- [core:framework] Add delete function in store (https://github.com/strapi/strapi/pull/9532) @bidoubiwa

## Improvements
- [core:tooling] Enhance identification for projects (https://github.com/strapi/strapi/pull/9545) @Aurelsicoko
- [documentation] Update all documentation links in the code-base and readmes (https://github.com/strapi/strapi/pull/9643) @derrickmehaffy

## Bug Fixes
- [admin] Fixed bug that wasn't enabling to click behind notification div (https://github.com/strapi/strapi/pull/9562) @yuriburk
- [admin] Enable the content type builder in other environments than development (https://github.com/strapi/strapi/pull/9587) @soupette
- [admin] Revert "Issue: Domain name validation c Fixed. With Ref to Previous PR #9496" (https://github.com/strapi/strapi/pull/9588) @soupette
- [core:database] Fix error with polymorphic relations when the attribute name is different to related (https://github.com/strapi/strapi/pull/9396) @germangonzo
- [core:database] Use the MongoDB setting useUnifiedTopology when testing connection (https://github.com/strapi/strapi/pull/9561) @derrickmehaffy
- [core:framework] [Fix]: 🐛 Strapi parser middleware, catch block error logging (https://github.com/strapi/strapi/pull/9612) @ognjenjevremovic