# Ghost v4.0.0 — Release & Upgrade Intelligence
- **Product:** Ghost (https://ghost.org)
- **Version:** v4.0.0
- **Released:** Mar 15, 2021
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/ghost/updates/v4.0.0/

## Executive Summary (TL;DR)
Ghost v4.0.0. Source highlight: ➡️  For an overview of changes see the 4.0 Changelog

## Breaking Changes & Deprecations
- ⚠️  Before updating please read the [breaking changes guide](https://ghost.org/docs/changes/)

## New Features
- ✨ Added support for 113 new currencies (TryGhost/Admin#1853) - Fabien 'egg' O'Carroll
- ✨ Added native lazy loading behaviour to content images - Kevin Ansfield
- ✨ Added paywall card to mark end of free content preview (#12663) - Kevin Ansfield
- ✨ Added ability to make image cards links - Kevin Ansfield
- ✨ Added accent color CSS variable to `{{ghost_head}}` (#12717) - Kevin Ansfield
- ✨ Added new boot process - Hannah Wolfe