Splash screen should use the splash image's alpha channel as window shape
Submitted by Jo
Link to original bug (#742904)
Description
i like to create from time to time my own, custom splash screens with a small snapshot of my milestones and saw that the splash screen accepts no alpha, although the splash screen image ends with the extension *.png, effectively i saved my image as an png, who should support alpha.
Version: 2.8.14