After six years and about 30, 50 installs where I changed the python line manually at install start a new try to get this single bit changed in the installer...
Making the window resizable causes erratic behavior when resizing the window due to the window position being set to 'center-always' in the ubiquity.ui file.
The slideshow looks awful when the window has been resized - it should snap back to its original size when this begins.
After six years and about 30, 50 installs where I changed the python line manually at install start a new try to get this single bit changed in the installer...