# 470
- Qt 5.15.3 is now available to open source users.
- Qt Design Studio 3.1 has been released:
https://www.qt.io/blog/qt-design-studio-3.1-released
- There is a security advisory for QLockFile, QAuthenticator on Windows systems:
https://www.qt.io/blog/security-advisory-qlockfile-qauthenticator-windows-platform-plugin
Posted by Jon Trulson