# Ghost v4.3.1 — Release & Upgrade Intelligence
- **Product:** Ghost (https://ghost.org)
- **Version:** v4.3.1
- **Released:** Apr 22, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/ghost/updates/v4.3.1/

## Executive Summary (TL;DR)
Ghost v4.3.1. Source highlight: ⚠️ 4.3.x contains a bug which enables free signup on sites that were previously paid or invite-only. Until a fix is released, you will have to toggle the `Allow free member signup` button to disabled again.