• Support drag and drop install
• Open file dialog directly rather than opening a dialog with an input field and then having to click "Browse" again
• Use inline message instead of message box for "you need to restart for changes to take effect" (if applying fails)
• Port from deprecated KIO::NetAccess to using QTemporaryFile and make downloading async

• Dragged a .tar.gz file from the store website into the

It seems many themes fail to install, zip doesn't work at all (it's using KTar) and even many .tar.gz themes fail. Needs further investigation. This patch is more about the UI part than the underlying install mechanism