Links 12 12 2019: KDE Applications 19.12, Qt Creator 4.11, New VirtualBox Download Pumpkin SBCs feature new MediaTek SoCs and mainline ... 2019 · Links 12/12/2019: KDE Applications 19.12, Qt Creator 4.11, New VirtualBox. On Linux (Ubuntu) there are two ways to install Qt, first is to use apt (sudo apt ... as a result Qt Creator always return Project ERROR: Unknown module(s) in QT: framework . ....