Qt 6.2.13 for open source users has been released

- Qt 6.2.13 for open source users has been released:
https://lists.qt-project.org/pipermail/development/2025-September/046576.html

- The Qt Company has created a specific forum for discussions of QtMultimedia. Find it here:
  https://www.qt.io/blog/the-new-qt-multimedia-space-on-qt-forums